1 /* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
3 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 Written by Ian Lance Taylor, Cygnus Support.
6 This file is part of GAS, the GNU Assembler.
8 GAS is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GAS is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
24 #include "safe-ctype.h"
26 #include "dw2gencfi.h"
27 #include "opcode/ppc.h"
31 #include "dwarf2dbg.h"
38 /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
40 /* Tell the main code what the endianness is. */
41 extern int target_big_endian;
43 /* Whether or not, we've set target_big_endian. */
44 static int set_target_endian = 0;
46 /* Whether to use user friendly register names. */
47 #ifndef TARGET_REG_NAMES_P
49 #define TARGET_REG_NAMES_P TRUE
51 #define TARGET_REG_NAMES_P FALSE
55 /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST,
58 /* #lo(value) denotes the least significant 16 bits of the indicated. */
59 #define PPC_LO(v) ((v) & 0xffff)
61 /* #hi(value) denotes bits 16 through 31 of the indicated value. */
62 #define PPC_HI(v) (((v) >> 16) & 0xffff)
64 /* #ha(value) denotes the high adjusted value: bits 16 through 31 of
65 the indicated value, compensating for #lo() being treated as a
67 #define PPC_HA(v) PPC_HI ((v) + 0x8000)
69 /* #higher(value) denotes bits 32 through 47 of the indicated value. */
70 #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff)
72 /* #highera(value) denotes bits 32 through 47 of the indicated value,
73 compensating for #lo() being treated as a signed number. */
74 #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000)
76 /* #highest(value) denotes bits 48 through 63 of the indicated value. */
77 #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff)
79 /* #highesta(value) denotes bits 48 through 63 of the indicated value,
80 compensating for #lo being treated as a signed number. */
81 #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000)
83 #define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000)
85 static bfd_boolean reg_names_p = TARGET_REG_NAMES_P;
87 static void ppc_macro (char *, const struct powerpc_macro *);
88 static void ppc_byte (int);
90 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
91 static void ppc_tc (int);
92 static void ppc_machine (int);
96 static void ppc_comm (int);
97 static void ppc_bb (int);
98 static void ppc_bc (int);
99 static void ppc_bf (int);
100 static void ppc_biei (int);
101 static void ppc_bs (int);
102 static void ppc_eb (int);
103 static void ppc_ec (int);
104 static void ppc_ef (int);
105 static void ppc_es (int);
106 static void ppc_csect (int);
107 static void ppc_change_csect (symbolS *, offsetT);
108 static void ppc_function (int);
109 static void ppc_extern (int);
110 static void ppc_lglobl (int);
111 static void ppc_ref (int);
112 static void ppc_section (int);
113 static void ppc_named_section (int);
114 static void ppc_stabx (int);
115 static void ppc_rename (int);
116 static void ppc_toc (int);
117 static void ppc_xcoff_cons (int);
118 static void ppc_vbyte (int);
122 static void ppc_elf_cons (int);
123 static void ppc_elf_rdata (int);
124 static void ppc_elf_lcomm (int);
128 static void ppc_previous (int);
129 static void ppc_pdata (int);
130 static void ppc_ydata (int);
131 static void ppc_reldata (int);
132 static void ppc_rdata (int);
133 static void ppc_ualong (int);
134 static void ppc_znop (int);
135 static void ppc_pe_comm (int);
136 static void ppc_pe_section (int);
137 static void ppc_pe_function (int);
138 static void ppc_pe_tocd (int);
141 /* Generic assembler global variables which must be defined by all
145 /* This string holds the chars that always start a comment. If the
146 pre-processor is disabled, these aren't very useful. The macro
147 tc_comment_chars points to this. We use this, rather than the
148 usual comment_chars, so that we can switch for Solaris conventions. */
149 static const char ppc_solaris_comment_chars[] = "#!";
150 static const char ppc_eabi_comment_chars[] = "#";
152 #ifdef TARGET_SOLARIS_COMMENT
153 const char *ppc_comment_chars = ppc_solaris_comment_chars;
155 const char *ppc_comment_chars = ppc_eabi_comment_chars;
158 const char comment_chars[] = "#";
161 /* Characters which start a comment at the beginning of a line. */
162 const char line_comment_chars[] = "#";
164 /* Characters which may be used to separate multiple commands on a
166 const char line_separator_chars[] = ";";
168 /* Characters which are used to indicate an exponent in a floating
170 const char EXP_CHARS[] = "eE";
172 /* Characters which mean that a number is a floating point constant,
174 const char FLT_CHARS[] = "dD";
176 /* Anything that can start an operand needs to be mentioned here,
177 to stop the input scrubber eating whitespace. */
178 const char ppc_symbol_chars[] = "%[";
180 /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
181 int ppc_cie_data_alignment;
183 /* The type of processor we are assembling for. This is one or more
184 of the PPC_OPCODE flags defined in opcode/ppc.h. */
185 ppc_cpu_t ppc_cpu = 0;
187 /* The target specific pseudo-ops which we support. */
189 const pseudo_typeS md_pseudo_table[] =
191 /* Pseudo-ops which must be overridden. */
192 { "byte", ppc_byte, 0 },
195 /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
196 legitimately belong in the obj-*.c file. However, XCOFF is based
197 on COFF, and is only implemented for the RS/6000. We just use
198 obj-coff.c, and add what we need here. */
199 { "comm", ppc_comm, 0 },
200 { "lcomm", ppc_comm, 1 },
204 { "bi", ppc_biei, 0 },
206 { "csect", ppc_csect, 0 },
207 { "data", ppc_section, 'd' },
211 { "ei", ppc_biei, 1 },
213 { "extern", ppc_extern, 0 },
214 { "function", ppc_function, 0 },
215 { "lglobl", ppc_lglobl, 0 },
216 { "ref", ppc_ref, 0 },
217 { "rename", ppc_rename, 0 },
218 { "section", ppc_named_section, 0 },
219 { "stabx", ppc_stabx, 0 },
220 { "text", ppc_section, 't' },
221 { "toc", ppc_toc, 0 },
222 { "long", ppc_xcoff_cons, 2 },
223 { "llong", ppc_xcoff_cons, 3 },
224 { "word", ppc_xcoff_cons, 1 },
225 { "short", ppc_xcoff_cons, 1 },
226 { "vbyte", ppc_vbyte, 0 },
230 { "llong", ppc_elf_cons, 8 },
231 { "quad", ppc_elf_cons, 8 },
232 { "long", ppc_elf_cons, 4 },
233 { "word", ppc_elf_cons, 2 },
234 { "short", ppc_elf_cons, 2 },
235 { "rdata", ppc_elf_rdata, 0 },
236 { "rodata", ppc_elf_rdata, 0 },
237 { "lcomm", ppc_elf_lcomm, 0 },
241 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
242 { "previous", ppc_previous, 0 },
243 { "pdata", ppc_pdata, 0 },
244 { "ydata", ppc_ydata, 0 },
245 { "reldata", ppc_reldata, 0 },
246 { "rdata", ppc_rdata, 0 },
247 { "ualong", ppc_ualong, 0 },
248 { "znop", ppc_znop, 0 },
249 { "comm", ppc_pe_comm, 0 },
250 { "lcomm", ppc_pe_comm, 1 },
251 { "section", ppc_pe_section, 0 },
252 { "function", ppc_pe_function,0 },
253 { "tocd", ppc_pe_tocd, 0 },
256 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
258 { "machine", ppc_machine, 0 },
265 /* Predefined register names if -mregnames (or default for Windows NT).
266 In general, there are lots of them, in an attempt to be compatible
267 with a number of other Windows NT assemblers. */
269 /* Structure to hold information about predefined registers. */
276 /* List of registers that are pre-defined:
278 Each general register has predefined names of the form:
279 1. r<reg_num> which has the value <reg_num>.
280 2. r.<reg_num> which has the value <reg_num>.
282 Each floating point register has predefined names of the form:
283 1. f<reg_num> which has the value <reg_num>.
284 2. f.<reg_num> which has the value <reg_num>.
286 Each vector unit register has predefined names of the form:
287 1. v<reg_num> which has the value <reg_num>.
288 2. v.<reg_num> which has the value <reg_num>.
290 Each condition register has predefined names of the form:
291 1. cr<reg_num> which has the value <reg_num>.
292 2. cr.<reg_num> which has the value <reg_num>.
294 There are individual registers as well:
295 sp or r.sp has the value 1
296 rtoc or r.toc has the value 2
297 fpscr has the value 0
303 dsisr has the value 18
305 sdr1 has the value 25
306 srr0 has the value 26
307 srr1 has the value 27
309 The table is sorted. Suitable for searching by a binary search. */
311 static const struct pd_reg pre_defined_registers[] =
313 { "cr.0", 0 }, /* Condition Registers */
333 { "dar", 19 }, /* Data Access Register */
334 { "dec", 22 }, /* Decrementer */
335 { "dsisr", 18 }, /* Data Storage Interrupt Status Register */
337 { "f.0", 0 }, /* Floating point registers */
364 { "f.32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */
430 { "f32", 32 }, /* Extended floating point scalar registers (ISA 2.06). */
471 /* Quantization registers used with pair single instructions. */
489 { "lr", 8 }, /* Link Register */
493 { "r.0", 0 }, /* General Purpose Registers */
526 { "r.sp", 1 }, /* Stack Pointer */
528 { "r.toc", 2 }, /* Pointer to the table of contents */
530 { "r0", 0 }, /* More general purpose registers */
563 { "rtoc", 2 }, /* Table of contents */
565 { "sdr1", 25 }, /* Storage Description Register 1 */
569 { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
570 { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
572 { "v.0", 0 }, /* Vector (Altivec/VMX) registers */
638 { "vs.0", 0 }, /* Vector Scalar (VSX) registers (ISA 2.06). */
772 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
774 /* Given NAME, find the register number associated with that name, return
775 the integer value associated with the given name or -1 on failure. */
778 reg_name_search (const struct pd_reg *regs, int regcount, const char *name)
780 int middle, low, high;
788 middle = (low + high) / 2;
789 cmp = strcasecmp (name, regs[middle].name);
795 return regs[middle].value;
803 * Summary of register_name.
805 * in: Input_line_pointer points to 1st char of operand.
807 * out: A expressionS.
808 * The operand may have been a register: in this case, X_op == O_register,
809 * X_add_number is set to the register number, and truth is returned.
810 * Input_line_pointer->(next non-blank) char after operand, or is in its
815 register_name (expressionS *expressionP)
822 /* Find the spelling of the operand. */
823 start = name = input_line_pointer;
824 if (name[0] == '%' && ISALPHA (name[1]))
825 name = ++input_line_pointer;
827 else if (!reg_names_p || !ISALPHA (name[0]))
830 c = get_symbol_end ();
831 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
833 /* Put back the delimiting char. */
834 *input_line_pointer = c;
836 /* Look to see if it's in the register table. */
839 expressionP->X_op = O_register;
840 expressionP->X_add_number = reg_number;
842 /* Make the rest nice. */
843 expressionP->X_add_symbol = NULL;
844 expressionP->X_op_symbol = NULL;
848 /* Reset the line as if we had not done anything. */
849 input_line_pointer = start;
853 /* This function is called for each symbol seen in an expression. It
854 handles the special parsing which PowerPC assemblers are supposed
855 to use for condition codes. */
857 /* Whether to do the special parsing. */
858 static bfd_boolean cr_operand;
860 /* Names to recognize in a condition code. This table is sorted. */
861 static const struct pd_reg cr_names[] =
878 /* Parsing function. This returns non-zero if it recognized an
882 ppc_parse_name (const char *name, expressionS *exp)
891 val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
896 exp->X_op = O_constant;
897 exp->X_add_number = val;
902 /* Local variables. */
904 /* Whether to target xcoff64/elf64. */
905 static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64;
907 /* Opcode hash table. */
908 static struct hash_control *ppc_hash;
910 /* Macro hash table. */
911 static struct hash_control *ppc_macro_hash;
914 /* What type of shared library support to use. */
915 static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
917 /* Flags to set in the elf header. */
918 static flagword ppc_flags = 0;
920 /* Whether this is Solaris or not. */
921 #ifdef TARGET_SOLARIS_COMMENT
922 #define SOLARIS_P TRUE
924 #define SOLARIS_P FALSE
927 static bfd_boolean msolaris = SOLARIS_P;
932 /* The RS/6000 assembler uses the .csect pseudo-op to generate code
933 using a bunch of different sections. These assembler sections,
934 however, are all encompassed within the .text or .data sections of
935 the final output file. We handle this by using different
936 subsegments within these main segments. */
938 /* Next subsegment to allocate within the .text segment. */
939 static subsegT ppc_text_subsegment = 2;
941 /* Linked list of csects in the text section. */
942 static symbolS *ppc_text_csects;
944 /* Next subsegment to allocate within the .data segment. */
945 static subsegT ppc_data_subsegment = 2;
947 /* Linked list of csects in the data section. */
948 static symbolS *ppc_data_csects;
950 /* The current csect. */
951 static symbolS *ppc_current_csect;
953 /* The RS/6000 assembler uses a TOC which holds addresses of functions
954 and variables. Symbols are put in the TOC with the .tc pseudo-op.
955 A special relocation is used when accessing TOC entries. We handle
956 the TOC as a subsegment within the .data segment. We set it up if
957 we see a .toc pseudo-op, and save the csect symbol here. */
958 static symbolS *ppc_toc_csect;
960 /* The first frag in the TOC subsegment. */
961 static fragS *ppc_toc_frag;
963 /* The first frag in the first subsegment after the TOC in the .data
964 segment. NULL if there are no subsegments after the TOC. */
965 static fragS *ppc_after_toc_frag;
967 /* The current static block. */
968 static symbolS *ppc_current_block;
970 /* The COFF debugging section; set by md_begin. This is not the
971 .debug section, but is instead the secret BFD section which will
972 cause BFD to set the section number of a symbol to N_DEBUG. */
973 static asection *ppc_coff_debug_section;
975 #endif /* OBJ_XCOFF */
979 /* Various sections that we need for PE coff support. */
980 static segT ydata_section;
981 static segT pdata_section;
982 static segT reldata_section;
983 static segT rdata_section;
984 static segT tocdata_section;
986 /* The current section and the previous section. See ppc_previous. */
987 static segT ppc_previous_section;
988 static segT ppc_current_section;
993 symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
994 #define PPC_APUINFO_ISEL 0x40
995 #define PPC_APUINFO_PMR 0x41
996 #define PPC_APUINFO_RFMCI 0x42
997 #define PPC_APUINFO_CACHELCK 0x43
998 #define PPC_APUINFO_SPE 0x100
999 #define PPC_APUINFO_EFS 0x101
1000 #define PPC_APUINFO_BRLOCK 0x102
1003 * We keep a list of APUinfo
1005 unsigned long *ppc_apuinfo_list;
1006 unsigned int ppc_apuinfo_num;
1007 unsigned int ppc_apuinfo_num_alloc;
1008 #endif /* OBJ_ELF */
1011 const char *const md_shortopts = "b:l:usm:K:VQ:";
1013 const char *const md_shortopts = "um:";
1015 const struct option md_longopts[] = {
1016 {NULL, no_argument, NULL, 0}
1018 const size_t md_longopts_size = sizeof (md_longopts);
1021 md_parse_option (int c, char *arg)
1028 /* -u means that any undefined symbols should be treated as
1029 external, which is the default for gas anyhow. */
1034 /* Solaris as takes -le (presumably for little endian). For completeness
1035 sake, recognize -be also. */
1036 if (strcmp (arg, "e") == 0)
1038 target_big_endian = 0;
1039 set_target_endian = 1;
1047 if (strcmp (arg, "e") == 0)
1049 target_big_endian = 1;
1050 set_target_endian = 1;
1058 /* Recognize -K PIC. */
1059 if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0)
1062 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
1070 /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
1072 if (strcmp (arg, "64") == 0)
1077 as_fatal (_("%s unsupported"), "-a64");
1080 else if (strcmp (arg, "32") == 0)
1087 if ((new_cpu = ppc_parse_cpu (ppc_cpu, arg)) != 0)
1090 else if (strcmp (arg, "regnames") == 0)
1093 else if (strcmp (arg, "no-regnames") == 0)
1094 reg_names_p = FALSE;
1097 /* -mrelocatable/-mrelocatable-lib -- warn about initializations
1098 that require relocation. */
1099 else if (strcmp (arg, "relocatable") == 0)
1101 shlib = SHLIB_MRELOCATABLE;
1102 ppc_flags |= EF_PPC_RELOCATABLE;
1105 else if (strcmp (arg, "relocatable-lib") == 0)
1107 shlib = SHLIB_MRELOCATABLE;
1108 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
1111 /* -memb, set embedded bit. */
1112 else if (strcmp (arg, "emb") == 0)
1113 ppc_flags |= EF_PPC_EMB;
1115 /* -mlittle/-mbig set the endianess. */
1116 else if (strcmp (arg, "little") == 0
1117 || strcmp (arg, "little-endian") == 0)
1119 target_big_endian = 0;
1120 set_target_endian = 1;
1123 else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0)
1125 target_big_endian = 1;
1126 set_target_endian = 1;
1129 else if (strcmp (arg, "solaris") == 0)
1132 ppc_comment_chars = ppc_solaris_comment_chars;
1135 else if (strcmp (arg, "no-solaris") == 0)
1138 ppc_comment_chars = ppc_eabi_comment_chars;
1143 as_bad (_("invalid switch -m%s"), arg);
1149 /* -V: SVR4 argument to print version ID. */
1151 print_version_id ();
1154 /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section
1155 should be emitted or not. FIXME: Not implemented. */
1159 /* Solaris takes -s to specify that .stabs go in a .stabs section,
1160 rather than .stabs.excl, which is ignored by the linker.
1161 FIXME: Not implemented. */
1177 md_show_usage (FILE *stream)
1179 fprintf (stream, _("\
1181 -a32 generate ELF32/XCOFF32\n\
1182 -a64 generate ELF64/XCOFF64\n\
1184 -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
1185 -mpwr generate code for POWER (RIOS1)\n\
1186 -m601 generate code for PowerPC 601\n\
1187 -mppc, -mppc32, -m603, -m604\n\
1188 generate code for PowerPC 603/604\n\
1189 -m403 generate code for PowerPC 403\n\
1190 -m405 generate code for PowerPC 405\n\
1191 -m440 generate code for PowerPC 440\n\
1192 -m464 generate code for PowerPC 464\n\
1193 -m476 generate code for PowerPC 476\n\
1194 -m7400, -m7410, -m7450, -m7455\n\
1195 generate code for PowerPC 7400/7410/7450/7455\n\
1196 -m750cl generate code for PowerPC 750cl\n"));
1197 fprintf (stream, _("\
1198 -mppc64, -m620 generate code for PowerPC 620/625/630\n\
1199 -mppc64bridge generate code for PowerPC 64, including bridge insns\n\
1200 -mbooke generate code for 32-bit PowerPC BookE\n\
1201 -ma2 generate code for A2 architecture\n\
1202 -mpower4 generate code for Power4 architecture\n\
1203 -mpower5 generate code for Power5 architecture\n\
1204 -mpower6 generate code for Power6 architecture\n\
1205 -mpower7 generate code for Power7 architecture\n\
1206 -mcell generate code for Cell Broadband Engine architecture\n\
1207 -mcom generate code Power/PowerPC common instructions\n\
1208 -many generate code for any architecture (PWR/PWRX/PPC)\n"));
1209 fprintf (stream, _("\
1210 -maltivec generate code for AltiVec\n\
1211 -mvsx generate code for Vector-Scalar (VSX) instructions\n\
1212 -me300 generate code for PowerPC e300 family\n\
1213 -me500, -me500x2 generate code for Motorola e500 core complex\n\
1214 -me500mc, generate code for Freescale e500mc core complex\n\
1215 -me500mc64, generate code for Freescale e500mc64 core complex\n\
1216 -mspe generate code for Motorola SPE instructions\n\
1217 -mtitan generate code for AppliedMicro Titan core complex\n\
1218 -mregnames Allow symbolic names for registers\n\
1219 -mno-regnames Do not allow symbolic names for registers\n"));
1221 fprintf (stream, _("\
1222 -mrelocatable support for GCC's -mrelocatble option\n\
1223 -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
1224 -memb set PPC_EMB bit in ELF flags\n\
1225 -mlittle, -mlittle-endian, -l, -le\n\
1226 generate code for a little endian machine\n\
1227 -mbig, -mbig-endian, -b, -be\n\
1228 generate code for a big endian machine\n\
1229 -msolaris generate code for Solaris\n\
1230 -mno-solaris do not generate code for Solaris\n\
1231 -V print assembler version number\n\
1232 -Qy, -Qn ignored\n"));
1236 /* Set ppc_cpu if it is not already set. */
1241 const char *default_os = TARGET_OS;
1242 const char *default_cpu = TARGET_CPU;
1244 if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0)
1247 ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
1248 else if (strncmp (default_os, "aix", 3) == 0
1249 && default_os[3] >= '4' && default_os[3] <= '9')
1250 ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32;
1251 else if (strncmp (default_os, "aix3", 4) == 0)
1252 ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
1253 else if (strcmp (default_cpu, "rs6000") == 0)
1254 ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
1255 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1256 ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
1258 as_fatal (_("Unknown default cpu = %s, os = %s"),
1259 default_cpu, default_os);
1263 /* Figure out the BFD architecture to use. This function and ppc_mach
1264 are called well before md_begin, when the output file is opened. */
1266 enum bfd_architecture
1269 const char *default_cpu = TARGET_CPU;
1272 if ((ppc_cpu & PPC_OPCODE_PPC) != 0)
1273 return bfd_arch_powerpc;
1274 else if ((ppc_cpu & PPC_OPCODE_POWER) != 0)
1275 return bfd_arch_rs6000;
1276 else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0)
1278 if (strcmp (default_cpu, "rs6000") == 0)
1279 return bfd_arch_rs6000;
1280 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1281 return bfd_arch_powerpc;
1284 as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
1285 return bfd_arch_unknown;
1292 return bfd_mach_ppc64;
1293 else if (ppc_arch () == bfd_arch_rs6000)
1294 return bfd_mach_rs6k;
1295 else if (ppc_cpu & PPC_OPCODE_TITAN)
1296 return bfd_mach_ppc_titan;
1298 return bfd_mach_ppc;
1302 ppc_target_format (void)
1306 return target_big_endian ? "pe-powerpc" : "pe-powerpcle";
1308 return "xcoff-powermac";
1311 return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000");
1313 return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
1319 return "elf32-powerpc-vxworks";
1321 return (target_big_endian
1322 ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
1323 : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
1328 /* Insert opcodes and macros into hash tables. Called at startup and
1332 ppc_setup_opcodes (void)
1334 const struct powerpc_opcode *op;
1335 const struct powerpc_opcode *op_end;
1336 const struct powerpc_macro *macro;
1337 const struct powerpc_macro *macro_end;
1338 bfd_boolean bad_insn = FALSE;
1340 if (ppc_hash != NULL)
1341 hash_die (ppc_hash);
1342 if (ppc_macro_hash != NULL)
1343 hash_die (ppc_macro_hash);
1345 /* Insert the opcodes into a hash table. */
1346 ppc_hash = hash_new ();
1348 if (ENABLE_CHECKING)
1352 /* Check operand masks. Code here and in the disassembler assumes
1353 all the 1's in the mask are contiguous. */
1354 for (i = 0; i < num_powerpc_operands; ++i)
1356 unsigned long mask = powerpc_operands[i].bitm;
1357 unsigned long right_bit;
1360 right_bit = mask & -mask;
1362 right_bit = mask & -mask;
1363 if (mask != right_bit)
1365 as_bad (_("powerpc_operands[%d].bitm invalid"), i);
1368 for (j = i + 1; j < num_powerpc_operands; ++j)
1369 if (memcmp (&powerpc_operands[i], &powerpc_operands[j],
1370 sizeof (powerpc_operands[0])) == 0)
1372 as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"),
1379 op_end = powerpc_opcodes + powerpc_num_opcodes;
1380 for (op = powerpc_opcodes; op < op_end; op++)
1382 if (ENABLE_CHECKING)
1384 const unsigned char *o;
1385 unsigned long omask = op->mask;
1387 if (op != powerpc_opcodes)
1389 /* The major opcodes had better be sorted. Code in the
1390 disassembler assumes the insns are sorted according to
1392 if (PPC_OP (op[0].opcode) < PPC_OP (op[-1].opcode))
1394 as_bad (_("major opcode is not sorted for %s"),
1399 /* Warn if the table isn't more strictly ordered.
1400 Unfortunately it doesn't seem possible to order the
1401 table on much more than the major opcode, which makes
1402 it difficult to implement a binary search in the
1403 disassembler. The problem is that we have multiple
1404 ways to disassemble instructions, and we usually want
1405 to choose a more specific form (with more bits set in
1406 the opcode) than a more general form. eg. all of the
1407 following are equivalent:
1408 bne label # opcode = 0x40820000, mask = 0xff830003
1409 bf 2,label # opcode = 0x40800000, mask = 0xff800003
1410 bc 4,2,label # opcode = 0x40000000, mask = 0xfc000003
1412 There are also cases where the table needs to be out
1413 of order to disassemble the correct instruction for
1414 processor variants. */
1417 unsigned long t1 = op[0].opcode;
1418 unsigned long t2 = op[-1].opcode;
1420 if (((t1 ^ t2) & 0xfc0007ff) == 0
1421 && (t1 & 0xfc0006df) == 0x7c000286)
1423 /* spr field is split. */
1424 t1 = ((t1 & ~0x1ff800)
1425 | ((t1 & 0xf800) << 5) | ((t1 & 0x1f0000) >> 5));
1426 t2 = ((t2 & ~0x1ff800)
1427 | ((t2 & 0xf800) << 5) | ((t2 & 0x1f0000) >> 5));
1430 as_warn (_("%s (%08lx %08lx) after %s (%08lx %08lx)"),
1431 op[0].name, op[0].opcode, op[0].mask,
1432 op[-1].name, op[-1].opcode, op[-1].mask);
1436 /* The mask had better not trim off opcode bits. */
1437 if ((op->opcode & omask) != op->opcode)
1439 as_bad (_("mask trims opcode bits for %s"),
1444 /* The operands must not overlap the opcode or each other. */
1445 for (o = op->operands; *o; ++o)
1446 if (*o >= num_powerpc_operands)
1448 as_bad (_("operand index error for %s"),
1454 const struct powerpc_operand *operand = &powerpc_operands[*o];
1455 if (operand->shift >= 0)
1457 unsigned long mask = operand->bitm << operand->shift;
1460 as_bad (_("operand %d overlap in %s"),
1461 (int) (o - op->operands), op->name);
1469 if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
1470 && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
1471 || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64))
1472 == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64)))
1473 || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0)
1474 && !(ppc_cpu & op->deprecated))
1478 retval = hash_insert (ppc_hash, op->name, (void *) op);
1481 /* Ignore Power duplicates for -m601. */
1482 if ((ppc_cpu & PPC_OPCODE_601) != 0
1483 && (op->flags & PPC_OPCODE_POWER) != 0)
1486 as_bad (_("duplicate instruction %s"),
1493 if ((ppc_cpu & PPC_OPCODE_ANY) != 0)
1494 for (op = powerpc_opcodes; op < op_end; op++)
1495 hash_insert (ppc_hash, op->name, (void *) op);
1497 /* Insert the macros into a hash table. */
1498 ppc_macro_hash = hash_new ();
1500 macro_end = powerpc_macros + powerpc_num_macros;
1501 for (macro = powerpc_macros; macro < macro_end; macro++)
1503 if ((macro->flags & ppc_cpu) != 0)
1507 retval = hash_insert (ppc_macro_hash, macro->name, (void *) macro);
1508 if (retval != (const char *) NULL)
1510 as_bad (_("duplicate macro %s"), macro->name);
1520 /* This function is called when the assembler starts up. It is called
1521 after the options have been parsed and the output file has been
1529 ppc_cie_data_alignment = ppc_obj64 ? -8 : -4;
1532 /* Set the ELF flags if desired. */
1533 if (ppc_flags && !msolaris)
1534 bfd_set_private_flags (stdoutput, ppc_flags);
1537 ppc_setup_opcodes ();
1539 /* Tell the main code what the endianness is if it is not overridden
1541 if (!set_target_endian)
1543 set_target_endian = 1;
1544 target_big_endian = PPC_BIG_ENDIAN;
1548 ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG);
1550 /* Create dummy symbols to serve as initial csects. This forces the
1551 text csects to precede the data csects. These symbols will not
1553 ppc_text_csects = symbol_make ("dummy\001");
1554 symbol_get_tc (ppc_text_csects)->within = ppc_text_csects;
1555 ppc_data_csects = symbol_make ("dummy\001");
1556 symbol_get_tc (ppc_data_csects)->within = ppc_data_csects;
1561 ppc_current_section = text_section;
1562 ppc_previous_section = 0;
1571 if (ppc_apuinfo_list == NULL)
1574 /* Ok, so write the section info out. We have this layout:
1578 0 8 length of "APUinfo\0"
1579 4 (n*4) number of APU's (4 bytes each)
1582 20 APU#1 first APU's info
1583 24 APU#2 second APU's info
1588 asection *seg = now_seg;
1589 subsegT subseg = now_subseg;
1590 asection *apuinfo_secp = (asection *) NULL;
1593 /* Create the .PPC.EMB.apuinfo section. */
1594 apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0);
1595 bfd_set_section_flags (stdoutput,
1597 SEC_HAS_CONTENTS | SEC_READONLY);
1600 md_number_to_chars (p, (valueT) 8, 4);
1603 md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4);
1606 md_number_to_chars (p, (valueT) 2, 4);
1609 strcpy (p, "APUinfo");
1611 for (i = 0; i < ppc_apuinfo_num; i++)
1614 md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
1617 frag_align (2, 0, 0);
1619 /* We probably can't restore the current segment, for there likely
1622 subseg_set (seg, subseg);
1627 /* Insert an operand value into an instruction. */
1629 static unsigned long
1630 ppc_insert_operand (unsigned long insn,
1631 const struct powerpc_operand *operand,
1637 long min, max, right;
1639 max = operand->bitm;
1643 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
1645 if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0)
1646 max = (max >> 1) & -right;
1647 min = ~max & -right;
1650 if ((operand->flags & PPC_OPERAND_PLUS1) != 0)
1653 if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
1662 /* Some people write constants with the sign extension done by
1663 hand but only up to 32 bits. This shouldn't really be valid,
1664 but, to permit this code to assemble on a 64-bit host, we
1665 sign extend the 32-bit value to 64 bits if so doing makes the
1668 && (offsetT) (val - 0x80000000 - 0x80000000) >= min
1669 && (offsetT) (val - 0x80000000 - 0x80000000) <= max
1670 && ((val - 0x80000000 - 0x80000000) & (right - 1)) == 0)
1671 val = val - 0x80000000 - 0x80000000;
1673 /* Similarly, people write expressions like ~(1<<15), and expect
1674 this to be OK for a 32-bit unsigned value. */
1676 && (offsetT) (val + 0x80000000 + 0x80000000) >= min
1677 && (offsetT) (val + 0x80000000 + 0x80000000) <= max
1678 && ((val + 0x80000000 + 0x80000000) & (right - 1)) == 0)
1679 val = val + 0x80000000 + 0x80000000;
1683 || (val & (right - 1)) != 0)
1684 as_bad_value_out_of_range (_("operand"), val, min, max, file, line);
1687 if (operand->insert)
1692 insn = (*operand->insert) (insn, (long) val, cpu, &errmsg);
1693 if (errmsg != (const char *) NULL)
1694 as_bad_where (file, line, "%s", errmsg);
1697 insn |= ((long) val & operand->bitm) << operand->shift;
1704 /* Parse @got, etc. and return the desired relocation. */
1705 static bfd_reloc_code_real_type
1706 ppc_elf_suffix (char **str_p, expressionS *exp_p)
1710 unsigned int length : 8;
1711 unsigned int valid32 : 1;
1712 unsigned int valid64 : 1;
1721 const struct map_bfd *ptr;
1723 #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc }
1724 #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc }
1725 #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc }
1727 static const struct map_bfd mapping[] = {
1728 MAP ("l", BFD_RELOC_LO16),
1729 MAP ("h", BFD_RELOC_HI16),
1730 MAP ("ha", BFD_RELOC_HI16_S),
1731 MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
1732 MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
1733 MAP ("got", BFD_RELOC_16_GOTOFF),
1734 MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
1735 MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
1736 MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
1737 MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
1738 MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
1739 MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
1740 MAP ("copy", BFD_RELOC_PPC_COPY),
1741 MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
1742 MAP ("sectoff", BFD_RELOC_16_BASEREL),
1743 MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
1744 MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
1745 MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
1746 MAP ("tls", BFD_RELOC_PPC_TLS),
1747 MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD),
1748 MAP ("dtprel", BFD_RELOC_PPC_DTPREL),
1749 MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO),
1750 MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI),
1751 MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA),
1752 MAP ("tprel", BFD_RELOC_PPC_TPREL),
1753 MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO),
1754 MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI),
1755 MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA),
1756 MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16),
1757 MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO),
1758 MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI),
1759 MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA),
1760 MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16),
1761 MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO),
1762 MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI),
1763 MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA),
1764 MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16),
1765 MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO),
1766 MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI),
1767 MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA),
1768 MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16),
1769 MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO),
1770 MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI),
1771 MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA),
1772 MAP32 ("fixup", BFD_RELOC_CTOR),
1773 MAP32 ("plt", BFD_RELOC_24_PLT_PCREL),
1774 MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL),
1775 MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
1776 MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC),
1777 MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL),
1778 MAP32 ("sdarel", BFD_RELOC_GPREL16),
1779 MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
1780 MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
1781 MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
1782 MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
1783 MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
1784 MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
1785 MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
1786 MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
1787 MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21),
1788 MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
1789 MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
1790 MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
1791 MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
1792 MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
1793 MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
1794 MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
1795 MAP32 ("xgot", BFD_RELOC_PPC_TOC16),
1796 MAP64 ("higher", BFD_RELOC_PPC64_HIGHER),
1797 MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S),
1798 MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST),
1799 MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S),
1800 MAP64 ("tocbase", BFD_RELOC_PPC64_TOC),
1801 MAP64 ("toc", BFD_RELOC_PPC_TOC16),
1802 MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO),
1803 MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI),
1804 MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA),
1805 MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER),
1806 MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA),
1807 MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST),
1808 MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
1809 MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER),
1810 MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA),
1811 MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST),
1812 MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA),
1813 { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED }
1817 return BFD_RELOC_UNUSED;
1819 for (ch = *str, str2 = ident;
1820 (str2 < ident + sizeof (ident) - 1
1821 && (ISALNUM (ch) || ch == '@'));
1824 *str2++ = TOLOWER (ch);
1831 for (ptr = &mapping[0]; ptr->length > 0; ptr++)
1832 if (ch == ptr->string[0]
1833 && len == ptr->length
1834 && memcmp (ident, ptr->string, ptr->length) == 0
1835 && (ppc_obj64 ? ptr->valid64 : ptr->valid32))
1837 int reloc = ptr->reloc;
1839 if (!ppc_obj64 && exp_p->X_add_number != 0)
1843 case BFD_RELOC_16_GOTOFF:
1844 case BFD_RELOC_LO16_GOTOFF:
1845 case BFD_RELOC_HI16_GOTOFF:
1846 case BFD_RELOC_HI16_S_GOTOFF:
1847 as_warn (_("identifier+constant@got means "
1848 "identifier@got+constant"));
1851 case BFD_RELOC_PPC_GOT_TLSGD16:
1852 case BFD_RELOC_PPC_GOT_TLSGD16_LO:
1853 case BFD_RELOC_PPC_GOT_TLSGD16_HI:
1854 case BFD_RELOC_PPC_GOT_TLSGD16_HA:
1855 case BFD_RELOC_PPC_GOT_TLSLD16:
1856 case BFD_RELOC_PPC_GOT_TLSLD16_LO:
1857 case BFD_RELOC_PPC_GOT_TLSLD16_HI:
1858 case BFD_RELOC_PPC_GOT_TLSLD16_HA:
1859 case BFD_RELOC_PPC_GOT_DTPREL16:
1860 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
1861 case BFD_RELOC_PPC_GOT_DTPREL16_HI:
1862 case BFD_RELOC_PPC_GOT_DTPREL16_HA:
1863 case BFD_RELOC_PPC_GOT_TPREL16:
1864 case BFD_RELOC_PPC_GOT_TPREL16_LO:
1865 case BFD_RELOC_PPC_GOT_TPREL16_HI:
1866 case BFD_RELOC_PPC_GOT_TPREL16_HA:
1867 as_bad (_("symbol+offset not supported for got tls"));
1872 /* Now check for identifier@suffix+constant. */
1873 if (*str == '-' || *str == '+')
1875 char *orig_line = input_line_pointer;
1876 expressionS new_exp;
1878 input_line_pointer = str;
1879 expression (&new_exp);
1880 if (new_exp.X_op == O_constant)
1882 exp_p->X_add_number += new_exp.X_add_number;
1883 str = input_line_pointer;
1886 if (&input_line_pointer != str_p)
1887 input_line_pointer = orig_line;
1891 if (reloc == (int) BFD_RELOC_PPC64_TOC
1892 && exp_p->X_op == O_symbol
1893 && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0)
1895 /* Change the symbol so that the dummy .TOC. symbol can be
1896 omitted from the object file. */
1897 exp_p->X_add_symbol = &abs_symbol;
1900 return (bfd_reloc_code_real_type) reloc;
1903 return BFD_RELOC_UNUSED;
1906 /* Like normal .long/.short/.word, except support @got, etc.
1907 Clobbers input_line_pointer, checks end-of-line. */
1909 ppc_elf_cons (int nbytes /* 1=.byte, 2=.word, 4=.long, 8=.llong */)
1912 bfd_reloc_code_real_type reloc;
1914 if (is_it_end_of_statement ())
1916 demand_empty_rest_of_line ();
1923 if (exp.X_op == O_symbol
1924 && *input_line_pointer == '@'
1925 && (reloc = ppc_elf_suffix (&input_line_pointer,
1926 &exp)) != BFD_RELOC_UNUSED)
1928 reloc_howto_type *reloc_howto;
1931 reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
1932 size = bfd_get_reloc_size (reloc_howto);
1936 as_bad (_("%s relocations do not fit in %d bytes\n"),
1937 reloc_howto->name, nbytes);
1944 p = frag_more (nbytes);
1946 if (target_big_endian)
1947 offset = nbytes - size;
1948 fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size,
1953 emit_expr (&exp, (unsigned int) nbytes);
1955 while (*input_line_pointer++ == ',');
1957 /* Put terminator back into stream. */
1958 input_line_pointer--;
1959 demand_empty_rest_of_line ();
1962 /* Solaris pseduo op to change to the .rodata section. */
1964 ppc_elf_rdata (int xxx)
1966 char *save_line = input_line_pointer;
1967 static char section[] = ".rodata\n";
1969 /* Just pretend this is .section .rodata */
1970 input_line_pointer = section;
1971 obj_elf_section (xxx);
1973 input_line_pointer = save_line;
1976 /* Pseudo op to make file scope bss items. */
1978 ppc_elf_lcomm (int xxx ATTRIBUTE_UNUSED)
1991 name = input_line_pointer;
1992 c = get_symbol_end ();
1994 /* just after name is now '\0'. */
1995 p = input_line_pointer;
1998 if (*input_line_pointer != ',')
2000 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
2001 ignore_rest_of_line ();
2005 input_line_pointer++; /* skip ',' */
2006 if ((size = get_absolute_expression ()) < 0)
2008 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
2009 ignore_rest_of_line ();
2013 /* The third argument to .lcomm is the alignment. */
2014 if (*input_line_pointer != ',')
2018 ++input_line_pointer;
2019 align = get_absolute_expression ();
2022 as_warn (_("ignoring bad alignment"));
2028 symbolP = symbol_find_or_make (name);
2031 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
2033 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
2034 S_GET_NAME (symbolP));
2035 ignore_rest_of_line ();
2039 if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
2041 as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
2042 S_GET_NAME (symbolP),
2043 (long) S_GET_VALUE (symbolP),
2046 ignore_rest_of_line ();
2052 old_subsec = now_subseg;
2055 /* Convert to a power of 2 alignment. */
2056 for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
2059 as_bad (_("Common alignment not a power of 2"));
2060 ignore_rest_of_line ();
2067 record_alignment (bss_section, align2);
2068 subseg_set (bss_section, 0);
2070 frag_align (align2, 0, 0);
2071 if (S_GET_SEGMENT (symbolP) == bss_section)
2072 symbol_get_frag (symbolP)->fr_symbol = 0;
2073 symbol_set_frag (symbolP, frag_now);
2074 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
2077 S_SET_SIZE (symbolP, size);
2078 S_SET_SEGMENT (symbolP, bss_section);
2079 subseg_set (old_sec, old_subsec);
2080 demand_empty_rest_of_line ();
2083 /* Validate any relocations emitted for -mrelocatable, possibly adding
2084 fixups for word relocations in writable segments, so we can adjust
2087 ppc_elf_validate_fix (fixS *fixp, segT seg)
2089 if (fixp->fx_done || fixp->fx_pcrel)
2098 case SHLIB_MRELOCATABLE:
2099 if (fixp->fx_r_type <= BFD_RELOC_UNUSED
2100 && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
2101 && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
2102 && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
2103 && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
2104 && fixp->fx_r_type != BFD_RELOC_16_BASEREL
2105 && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
2106 && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
2107 && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
2108 && (seg->flags & SEC_LOAD) != 0
2109 && strcmp (segment_name (seg), ".got2") != 0
2110 && strcmp (segment_name (seg), ".dtors") != 0
2111 && strcmp (segment_name (seg), ".ctors") != 0
2112 && strcmp (segment_name (seg), ".fixup") != 0
2113 && strcmp (segment_name (seg), ".gcc_except_table") != 0
2114 && strcmp (segment_name (seg), ".eh_frame") != 0
2115 && strcmp (segment_name (seg), ".ex_shared") != 0)
2117 if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
2118 || fixp->fx_r_type != BFD_RELOC_CTOR)
2120 as_bad_where (fixp->fx_file, fixp->fx_line,
2121 _("Relocation cannot be done when using -mrelocatable"));
2128 /* Prevent elf_frob_file_before_adjust removing a weak undefined
2129 function descriptor sym if the corresponding code sym is used. */
2132 ppc_frob_file_before_adjust (void)
2140 for (symp = symbol_rootP; symp; symp = symbol_next (symp))
2147 name = S_GET_NAME (symp);
2151 if (! S_IS_WEAK (symp)
2152 || S_IS_DEFINED (symp))
2155 len = strlen (name) + 1;
2156 dotname = xmalloc (len + 1);
2158 memcpy (dotname + 1, name, len);
2159 dotsym = symbol_find_noref (dotname, 1);
2161 if (dotsym != NULL && (symbol_used_p (dotsym)
2162 || symbol_used_in_reloc_p (dotsym)))
2163 symbol_mark_used (symp);
2167 toc = bfd_get_section_by_name (stdoutput, ".toc");
2169 && bfd_section_size (stdoutput, toc) > 0x10000)
2170 as_warn (_("TOC section size exceeds 64k"));
2172 /* Don't emit .TOC. symbol. */
2173 symp = symbol_find (".TOC.");
2175 symbol_remove (symp, &symbol_rootP, &symbol_lastP);
2177 #endif /* OBJ_ELF */
2182 * Summary of parse_toc_entry.
2184 * in: Input_line_pointer points to the '[' in one of:
2186 * [toc] [tocv] [toc32] [toc64]
2188 * Anything else is an error of one kind or another.
2191 * return value: success or failure
2192 * toc_kind: kind of toc reference
2193 * input_line_pointer:
2194 * success: first char after the ']'
2195 * failure: unchanged
2199 * [toc] - rv == success, toc_kind = default_toc
2200 * [tocv] - rv == success, toc_kind = data_in_toc
2201 * [toc32] - rv == success, toc_kind = must_be_32
2202 * [toc64] - rv == success, toc_kind = must_be_64
2206 enum toc_size_qualifier
2208 default_toc, /* The toc cell constructed should be the system default size */
2209 data_in_toc, /* This is a direct reference to a toc cell */
2210 must_be_32, /* The toc cell constructed must be 32 bits wide */
2211 must_be_64 /* The toc cell constructed must be 64 bits wide */
2215 parse_toc_entry (enum toc_size_qualifier *toc_kind)
2220 enum toc_size_qualifier t;
2222 /* Save the input_line_pointer. */
2223 start = input_line_pointer;
2225 /* Skip over the '[' , and whitespace. */
2226 ++input_line_pointer;
2229 /* Find the spelling of the operand. */
2230 toc_spec = input_line_pointer;
2231 c = get_symbol_end ();
2233 if (strcmp (toc_spec, "toc") == 0)
2237 else if (strcmp (toc_spec, "tocv") == 0)
2241 else if (strcmp (toc_spec, "toc32") == 0)
2245 else if (strcmp (toc_spec, "toc64") == 0)
2251 as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec);
2252 *input_line_pointer = c;
2253 input_line_pointer = start;
2257 /* Now find the ']'. */
2258 *input_line_pointer = c;
2260 SKIP_WHITESPACE (); /* leading whitespace could be there. */
2261 c = *input_line_pointer++; /* input_line_pointer->past char in c. */
2265 as_bad (_("syntax error: expected `]', found `%c'"), c);
2266 input_line_pointer = start;
2277 #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
2279 ppc_apuinfo_section_add (unsigned int apu, unsigned int version)
2283 /* Check we don't already exist. */
2284 for (i = 0; i < ppc_apuinfo_num; i++)
2285 if (ppc_apuinfo_list[i] == APUID (apu, version))
2288 if (ppc_apuinfo_num == ppc_apuinfo_num_alloc)
2290 if (ppc_apuinfo_num_alloc == 0)
2292 ppc_apuinfo_num_alloc = 4;
2293 ppc_apuinfo_list = (unsigned long *)
2294 xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2298 ppc_apuinfo_num_alloc += 4;
2299 ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list,
2300 sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2303 ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version);
2309 /* We need to keep a list of fixups. We can't simply generate them as
2310 we go, because that would require us to first create the frag, and
2311 that would screw up references to ``.''. */
2317 bfd_reloc_code_real_type reloc;
2320 #define MAX_INSN_FIXUPS (5)
2322 /* This routine is called for each instruction to be assembled. */
2325 md_assemble (char *str)
2328 const struct powerpc_opcode *opcode;
2330 const unsigned char *opindex_ptr;
2334 struct ppc_fixup fixups[MAX_INSN_FIXUPS];
2340 bfd_reloc_code_real_type reloc;
2343 /* Get the opcode. */
2344 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
2349 /* Look up the opcode in the hash table. */
2350 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
2351 if (opcode == (const struct powerpc_opcode *) NULL)
2353 const struct powerpc_macro *macro;
2355 macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
2356 if (macro == (const struct powerpc_macro *) NULL)
2357 as_bad (_("Unrecognized opcode: `%s'"), str);
2359 ppc_macro (s, macro);
2364 insn = opcode->opcode;
2367 while (ISSPACE (*str))
2370 /* PowerPC operands are just expressions. The only real issue is
2371 that a few operand types are optional. All cases which might use
2372 an optional operand separate the operands only with commas (in some
2373 cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never
2374 have optional operands). Most instructions with optional operands
2375 have only one. Those that have more than one optional operand can
2376 take either all their operands or none. So, before we start seriously
2377 parsing the operands, we check to see if we have optional operands,
2378 and if we do, we count the number of commas to see which operands
2379 have been omitted. */
2381 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2383 const struct powerpc_operand *operand;
2385 operand = &powerpc_operands[*opindex_ptr];
2386 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
2388 unsigned int opcount;
2389 unsigned int num_operands_expected;
2391 /* There is an optional operand. Count the number of
2392 commas in the input line. */
2399 while ((s = strchr (s, ',')) != (char *) NULL)
2406 /* Compute the number of expected operands.
2407 Do not count fake operands. */
2408 for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++)
2409 if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0)
2410 ++ num_operands_expected;
2412 /* If there are fewer operands in the line then are called
2413 for by the instruction, we want to skip the optional
2415 if (opcount < num_operands_expected)
2422 /* Gather the operands. */
2426 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2428 const struct powerpc_operand *operand;
2434 if (next_opindex == 0)
2435 operand = &powerpc_operands[*opindex_ptr];
2438 operand = &powerpc_operands[next_opindex];
2443 /* If this is a fake operand, then we do not expect anything
2445 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
2447 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2448 if (errmsg != (const char *) NULL)
2449 as_bad ("%s", errmsg);
2453 /* If this is an optional operand, and we are skipping it, just
2455 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
2458 if (operand->insert)
2460 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2461 if (errmsg != (const char *) NULL)
2462 as_bad ("%s", errmsg);
2464 if ((operand->flags & PPC_OPERAND_NEXT) != 0)
2465 next_opindex = *opindex_ptr + 1;
2469 /* Gather the operand. */
2470 hold = input_line_pointer;
2471 input_line_pointer = str;
2474 if (*input_line_pointer == '[')
2476 /* We are expecting something like the second argument here:
2478 * lwz r4,[toc].GS.0.static_int(rtoc)
2479 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2480 * The argument following the `]' must be a symbol name, and the
2481 * register must be the toc register: 'rtoc' or '2'
2483 * The effect is to 0 as the displacement field
2484 * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
2485 * the appropriate variation) reloc against it based on the symbol.
2486 * The linker will build the toc, and insert the resolved toc offset.
2489 * o The size of the toc entry is currently assumed to be
2490 * 32 bits. This should not be assumed to be a hard coded
2492 * o In an effort to cope with a change from 32 to 64 bits,
2493 * there are also toc entries that are specified to be
2494 * either 32 or 64 bits:
2495 * lwz r4,[toc32].GS.0.static_int(rtoc)
2496 * lwz r4,[toc64].GS.0.static_int(rtoc)
2497 * These demand toc entries of the specified size, and the
2498 * instruction probably requires it.
2502 enum toc_size_qualifier toc_kind;
2503 bfd_reloc_code_real_type toc_reloc;
2505 /* Go parse off the [tocXX] part. */
2506 valid_toc = parse_toc_entry (&toc_kind);
2510 /* Note: message has already been issued.
2511 FIXME: what sort of recovery should we do?
2512 demand_rest_of_line (); return; ? */
2515 /* Now get the symbol following the ']'. */
2521 /* In this case, we may not have seen the symbol yet,
2522 since it is allowed to appear on a .extern or .globl
2523 or just be a label in the .data section. */
2524 toc_reloc = BFD_RELOC_PPC_TOC16;
2527 /* 1. The symbol must be defined and either in the toc
2528 section, or a global.
2529 2. The reloc generated must have the TOCDEFN flag set
2530 in upper bit mess of the reloc type.
2531 FIXME: It's a little confusing what the tocv
2532 qualifier can be used for. At the very least, I've
2533 seen three uses, only one of which I'm sure I can
2535 if (ex.X_op == O_symbol)
2537 gas_assert (ex.X_add_symbol != NULL);
2538 if (symbol_get_bfdsym (ex.X_add_symbol)->section
2541 as_bad (_("[tocv] symbol is not a toc symbol"));
2545 toc_reloc = BFD_RELOC_PPC_TOC16;
2548 /* FIXME: these next two specifically specify 32/64 bit
2549 toc entries. We don't support them today. Is this
2550 the right way to say that? */
2551 toc_reloc = BFD_RELOC_UNUSED;
2552 as_bad (_("Unimplemented toc32 expression modifier"));
2555 /* FIXME: see above. */
2556 toc_reloc = BFD_RELOC_UNUSED;
2557 as_bad (_("Unimplemented toc64 expression modifier"));
2561 _("Unexpected return value [%d] from parse_toc_entry!\n"),
2567 /* We need to generate a fixup for this expression. */
2568 if (fc >= MAX_INSN_FIXUPS)
2569 as_fatal (_("too many fixups"));
2571 fixups[fc].reloc = toc_reloc;
2572 fixups[fc].exp = ex;
2573 fixups[fc].opindex = *opindex_ptr;
2576 /* Ok. We've set up the fixup for the instruction. Now make it
2577 look like the constant 0 was found here. */
2579 ex.X_op = O_constant;
2580 ex.X_add_number = 0;
2581 ex.X_add_symbol = NULL;
2582 ex.X_op_symbol = NULL;
2588 if ((reg_names_p && (operand->flags & PPC_OPERAND_CR) != 0)
2589 || !register_name (&ex))
2591 char save_lex = lex_type['%'];
2593 if ((operand->flags & PPC_OPERAND_CR) != 0)
2596 lex_type['%'] |= LEX_BEGIN_NAME;
2600 lex_type['%'] = save_lex;
2604 str = input_line_pointer;
2605 input_line_pointer = hold;
2607 if (ex.X_op == O_illegal)
2608 as_bad (_("illegal operand"));
2609 else if (ex.X_op == O_absent)
2610 as_bad (_("missing operand"));
2611 else if (ex.X_op == O_register)
2613 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2614 ppc_cpu, (char *) NULL, 0);
2616 else if (ex.X_op == O_constant)
2619 /* Allow @HA, @L, @H on constants. */
2620 char *orig_str = str;
2622 if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2629 case BFD_RELOC_LO16:
2630 /* X_unsigned is the default, so if the user has done
2631 something which cleared it, we always produce a
2633 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2634 ex.X_add_number &= 0xffff;
2636 ex.X_add_number = SEX16 (ex.X_add_number);
2639 case BFD_RELOC_HI16:
2640 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2641 ex.X_add_number = PPC_HI (ex.X_add_number);
2643 ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number));
2646 case BFD_RELOC_HI16_S:
2647 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2648 ex.X_add_number = PPC_HA (ex.X_add_number);
2650 ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number));
2653 case BFD_RELOC_PPC64_HIGHER:
2654 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2655 ex.X_add_number = PPC_HIGHER (ex.X_add_number);
2657 ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number));
2660 case BFD_RELOC_PPC64_HIGHER_S:
2661 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2662 ex.X_add_number = PPC_HIGHERA (ex.X_add_number);
2664 ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number));
2667 case BFD_RELOC_PPC64_HIGHEST:
2668 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2669 ex.X_add_number = PPC_HIGHEST (ex.X_add_number);
2671 ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number));
2674 case BFD_RELOC_PPC64_HIGHEST_S:
2675 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2676 ex.X_add_number = PPC_HIGHESTA (ex.X_add_number);
2678 ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number));
2681 #endif /* OBJ_ELF */
2682 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2683 ppc_cpu, (char *) NULL, 0);
2688 if (ex.X_op == O_symbol && str[0] == '(')
2690 const char *sym_name = S_GET_NAME (ex.X_add_symbol);
2691 if (sym_name[0] == '.')
2694 if (strcasecmp (sym_name, "__tls_get_addr") == 0)
2696 expressionS tls_exp;
2698 hold = input_line_pointer;
2699 input_line_pointer = str + 1;
2700 expression (&tls_exp);
2701 if (tls_exp.X_op == O_symbol)
2703 reloc = BFD_RELOC_UNUSED;
2704 if (strncasecmp (input_line_pointer, "@tlsgd)", 7) == 0)
2706 reloc = BFD_RELOC_PPC_TLSGD;
2707 input_line_pointer += 7;
2709 else if (strncasecmp (input_line_pointer, "@tlsld)", 7) == 0)
2711 reloc = BFD_RELOC_PPC_TLSLD;
2712 input_line_pointer += 7;
2714 if (reloc != BFD_RELOC_UNUSED)
2717 str = input_line_pointer;
2719 if (fc >= MAX_INSN_FIXUPS)
2720 as_fatal (_("too many fixups"));
2721 fixups[fc].exp = tls_exp;
2722 fixups[fc].opindex = *opindex_ptr;
2723 fixups[fc].reloc = reloc;
2727 input_line_pointer = hold;
2731 if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2733 /* Some TLS tweaks. */
2739 case BFD_RELOC_PPC_TLS:
2740 if (!_bfd_elf_ppc_at_tls_transform (opcode->opcode, 0))
2741 as_bad (_("@tls may not be used with \"%s\" operands"),
2743 else if (operand->shift != 11)
2744 as_bad (_("@tls may only be used in last operand"));
2746 insn = ppc_insert_operand (insn, operand,
2748 ppc_cpu, (char *) NULL, 0);
2751 /* We'll only use the 32 (or 64) bit form of these relocations
2752 in constants. Instructions get the 16 bit form. */
2753 case BFD_RELOC_PPC_DTPREL:
2754 reloc = BFD_RELOC_PPC_DTPREL16;
2756 case BFD_RELOC_PPC_TPREL:
2757 reloc = BFD_RELOC_PPC_TPREL16;
2761 /* For the absolute forms of branches, convert the PC
2762 relative form back into the absolute. */
2763 if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
2767 case BFD_RELOC_PPC_B26:
2768 reloc = BFD_RELOC_PPC_BA26;
2770 case BFD_RELOC_PPC_B16:
2771 reloc = BFD_RELOC_PPC_BA16;
2773 case BFD_RELOC_PPC_B16_BRTAKEN:
2774 reloc = BFD_RELOC_PPC_BA16_BRTAKEN;
2776 case BFD_RELOC_PPC_B16_BRNTAKEN:
2777 reloc = BFD_RELOC_PPC_BA16_BRNTAKEN;
2785 && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0)
2790 reloc = BFD_RELOC_PPC64_ADDR16_DS;
2792 case BFD_RELOC_LO16:
2793 reloc = BFD_RELOC_PPC64_ADDR16_LO_DS;
2795 case BFD_RELOC_16_GOTOFF:
2796 reloc = BFD_RELOC_PPC64_GOT16_DS;
2798 case BFD_RELOC_LO16_GOTOFF:
2799 reloc = BFD_RELOC_PPC64_GOT16_LO_DS;
2801 case BFD_RELOC_LO16_PLTOFF:
2802 reloc = BFD_RELOC_PPC64_PLT16_LO_DS;
2804 case BFD_RELOC_16_BASEREL:
2805 reloc = BFD_RELOC_PPC64_SECTOFF_DS;
2807 case BFD_RELOC_LO16_BASEREL:
2808 reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS;
2810 case BFD_RELOC_PPC_TOC16:
2811 reloc = BFD_RELOC_PPC64_TOC16_DS;
2813 case BFD_RELOC_PPC64_TOC16_LO:
2814 reloc = BFD_RELOC_PPC64_TOC16_LO_DS;
2816 case BFD_RELOC_PPC64_PLTGOT16:
2817 reloc = BFD_RELOC_PPC64_PLTGOT16_DS;
2819 case BFD_RELOC_PPC64_PLTGOT16_LO:
2820 reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS;
2822 case BFD_RELOC_PPC_DTPREL16:
2823 reloc = BFD_RELOC_PPC64_DTPREL16_DS;
2825 case BFD_RELOC_PPC_DTPREL16_LO:
2826 reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS;
2828 case BFD_RELOC_PPC_TPREL16:
2829 reloc = BFD_RELOC_PPC64_TPREL16_DS;
2831 case BFD_RELOC_PPC_TPREL16_LO:
2832 reloc = BFD_RELOC_PPC64_TPREL16_LO_DS;
2834 case BFD_RELOC_PPC_GOT_DTPREL16:
2835 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
2836 case BFD_RELOC_PPC_GOT_TPREL16:
2837 case BFD_RELOC_PPC_GOT_TPREL16_LO:
2840 as_bad (_("unsupported relocation for DS offset field"));
2846 /* We need to generate a fixup for this expression. */
2847 if (fc >= MAX_INSN_FIXUPS)
2848 as_fatal (_("too many fixups"));
2849 fixups[fc].exp = ex;
2850 fixups[fc].opindex = *opindex_ptr;
2851 fixups[fc].reloc = reloc;
2857 /* We need to generate a fixup for this expression. */
2858 if (fc >= MAX_INSN_FIXUPS)
2859 as_fatal (_("too many fixups"));
2860 fixups[fc].exp = ex;
2861 fixups[fc].opindex = *opindex_ptr;
2862 fixups[fc].reloc = BFD_RELOC_UNUSED;
2865 #endif /* OBJ_ELF */
2871 /* If expecting more operands, then we want to see "),". */
2872 if (*str == endc && opindex_ptr[1] != 0)
2876 while (ISSPACE (*str));
2880 else if ((operand->flags & PPC_OPERAND_PARENS) != 0)
2888 /* The call to expression should have advanced str past any
2891 && (endc != ',' || *str != '\0'))
2893 as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc);
2901 while (ISSPACE (*str))
2905 as_bad (_("junk at end of line: `%s'"), str);
2908 /* Do we need/want a APUinfo section? */
2909 if ((ppc_cpu & PPC_OPCODE_E500MC) != 0)
2911 /* These are all version "1". */
2912 if (opcode->flags & PPC_OPCODE_SPE)
2913 ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1);
2914 if (opcode->flags & PPC_OPCODE_ISEL)
2915 ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1);
2916 if (opcode->flags & PPC_OPCODE_EFS)
2917 ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1);
2918 if (opcode->flags & PPC_OPCODE_BRLOCK)
2919 ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1);
2920 if (opcode->flags & PPC_OPCODE_PMR)
2921 ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1);
2922 if (opcode->flags & PPC_OPCODE_CACHELCK)
2923 ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1);
2924 if (opcode->flags & PPC_OPCODE_RFMCI)
2925 ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1);
2929 /* Write out the instruction. */
2931 addr_mod = frag_now_fix () & 3;
2932 if (frag_now->has_code && frag_now->insn_addr != addr_mod)
2933 as_bad (_("instruction address is not a multiple of 4"));
2934 frag_now->insn_addr = addr_mod;
2935 frag_now->has_code = 1;
2936 md_number_to_chars (f, insn, 4);
2939 dwarf2_emit_insn (4);
2942 /* Create any fixups. At this point we do not use a
2943 bfd_reloc_code_real_type, but instead just use the
2944 BFD_RELOC_UNUSED plus the operand index. This lets us easily
2945 handle fixups for any operand type, although that is admittedly
2946 not a very exciting feature. We pick a BFD reloc type in
2948 for (i = 0; i < fc; i++)
2950 if (fixups[i].reloc != BFD_RELOC_UNUSED)
2952 reloc_howto_type *reloc_howto;
2957 reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
2961 size = bfd_get_reloc_size (reloc_howto);
2962 offset = target_big_endian ? (4 - size) : 0;
2964 if (size < 1 || size > 4)
2967 fixP = fix_new_exp (frag_now,
2968 f - frag_now->fr_literal + offset,
2971 reloc_howto->pc_relative,
2974 /* Turn off complaints that the addend is too large for things like
2976 switch (fixups[i].reloc)
2978 case BFD_RELOC_16_GOTOFF:
2979 case BFD_RELOC_PPC_TOC16:
2980 case BFD_RELOC_LO16:
2981 case BFD_RELOC_HI16:
2982 case BFD_RELOC_HI16_S:
2984 case BFD_RELOC_PPC64_HIGHER:
2985 case BFD_RELOC_PPC64_HIGHER_S:
2986 case BFD_RELOC_PPC64_HIGHEST:
2987 case BFD_RELOC_PPC64_HIGHEST_S:
2989 fixP->fx_no_overflow = 1;
2997 const struct powerpc_operand *operand;
2999 operand = &powerpc_operands[fixups[i].opindex];
3000 fix_new_exp (frag_now,
3001 f - frag_now->fr_literal,
3004 (operand->flags & PPC_OPERAND_RELATIVE) != 0,
3005 ((bfd_reloc_code_real_type)
3006 (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
3011 /* Handle a macro. Gather all the operands, transform them as
3012 described by the macro, and call md_assemble recursively. All the
3013 operands are separated by commas; we don't accept parentheses
3014 around operands here. */
3017 ppc_macro (char *str, const struct powerpc_macro *macro)
3028 /* Gather the users operands into the operands array. */
3033 if (count >= sizeof operands / sizeof operands[0])
3035 operands[count++] = s;
3036 s = strchr (s, ',');
3037 if (s == (char *) NULL)
3042 if (count != macro->operands)
3044 as_bad (_("wrong number of operands"));
3048 /* Work out how large the string must be (the size is unbounded
3049 because it includes user input). */
3051 format = macro->format;
3052 while (*format != '\0')
3061 arg = strtol (format + 1, &send, 10);
3062 know (send != format && arg < count);
3063 len += strlen (operands[arg]);
3068 /* Put the string together. */
3069 complete = s = (char *) alloca (len + 1);
3070 format = macro->format;
3071 while (*format != '\0')
3077 arg = strtol (format + 1, &send, 10);
3078 strcpy (s, operands[arg]);
3085 /* Assemble the constructed instruction. */
3086 md_assemble (complete);
3090 /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
3093 ppc_section_letter (int letter, char **ptr_msg)
3098 *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
3103 ppc_section_word (char *str, size_t len)
3105 if (len == 7 && strncmp (str, "exclude", 7) == 0)
3112 ppc_section_type (char *str, size_t len)
3114 if (len == 7 && strncmp (str, "ordered", 7) == 0)
3121 ppc_section_flags (flagword flags, bfd_vma attr, int type)
3123 if (type == SHT_ORDERED)
3124 flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
3126 if (attr & SHF_EXCLUDE)
3127 flags |= SEC_EXCLUDE;
3131 #endif /* OBJ_ELF */
3134 /* Pseudo-op handling. */
3136 /* The .byte pseudo-op. This is similar to the normal .byte
3137 pseudo-op, but it can also take a single ASCII string. */
3140 ppc_byte (int ignore ATTRIBUTE_UNUSED)
3142 if (*input_line_pointer != '\"')
3148 /* Gather characters. A real double quote is doubled. Unusual
3149 characters are not permitted. */
3150 ++input_line_pointer;
3155 c = *input_line_pointer++;
3159 if (*input_line_pointer != '\"')
3161 ++input_line_pointer;
3164 FRAG_APPEND_1_CHAR (c);
3167 demand_empty_rest_of_line ();
3172 /* XCOFF specific pseudo-op handling. */
3174 /* This is set if we are creating a .stabx symbol, since we don't want
3175 to handle symbol suffixes for such symbols. */
3176 static bfd_boolean ppc_stab_symbol;
3178 /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
3179 symbols in the .bss segment as though they were local common
3180 symbols, and uses a different smclas. The native Aix 4.3.3 assembler
3181 aligns .comm and .lcomm to 4 bytes. */
3184 ppc_comm (int lcomm)
3186 asection *current_seg = now_seg;
3187 subsegT current_subseg = now_subseg;
3193 symbolS *lcomm_sym = NULL;
3197 name = input_line_pointer;
3198 endc = get_symbol_end ();
3199 end_name = input_line_pointer;
3202 if (*input_line_pointer != ',')
3204 as_bad (_("missing size"));
3205 ignore_rest_of_line ();
3208 ++input_line_pointer;
3210 size = get_absolute_expression ();
3213 as_bad (_("negative size"));
3214 ignore_rest_of_line ();
3220 /* The third argument to .comm is the alignment. */
3221 if (*input_line_pointer != ',')
3225 ++input_line_pointer;
3226 align = get_absolute_expression ();
3229 as_warn (_("ignoring bad alignment"));
3244 /* The third argument to .lcomm appears to be the real local
3245 common symbol to create. References to the symbol named in
3246 the first argument are turned into references to the third
3248 if (*input_line_pointer != ',')
3250 as_bad (_("missing real symbol name"));
3251 ignore_rest_of_line ();
3254 ++input_line_pointer;
3256 lcomm_name = input_line_pointer;
3257 lcomm_endc = get_symbol_end ();
3259 lcomm_sym = symbol_find_or_make (lcomm_name);
3261 *input_line_pointer = lcomm_endc;
3265 sym = symbol_find_or_make (name);
3268 if (S_IS_DEFINED (sym)
3269 || S_GET_VALUE (sym) != 0)
3271 as_bad (_("attempt to redefine symbol"));
3272 ignore_rest_of_line ();
3276 record_alignment (bss_section, align);
3279 || ! S_IS_DEFINED (lcomm_sym))
3288 S_SET_EXTERNAL (sym);
3292 symbol_get_tc (lcomm_sym)->output = 1;
3293 def_sym = lcomm_sym;
3297 subseg_set (bss_section, 1);
3298 frag_align (align, 0, 0);
3300 symbol_set_frag (def_sym, frag_now);
3301 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
3302 def_size, (char *) NULL);
3304 S_SET_SEGMENT (def_sym, bss_section);
3305 symbol_get_tc (def_sym)->align = align;
3309 /* Align the size of lcomm_sym. */
3310 symbol_get_frag (lcomm_sym)->fr_offset =
3311 ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1)
3312 &~ ((1 << align) - 1));
3313 if (align > symbol_get_tc (lcomm_sym)->align)
3314 symbol_get_tc (lcomm_sym)->align = align;
3319 /* Make sym an offset from lcomm_sym. */
3320 S_SET_SEGMENT (sym, bss_section);
3321 symbol_set_frag (sym, symbol_get_frag (lcomm_sym));
3322 S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset);
3323 symbol_get_frag (lcomm_sym)->fr_offset += size;
3326 subseg_set (current_seg, current_subseg);
3328 demand_empty_rest_of_line ();
3331 /* The .csect pseudo-op. This switches us into a different
3332 subsegment. The first argument is a symbol whose value is the
3333 start of the .csect. In COFF, csect symbols get special aux
3334 entries defined by the x_csect field of union internal_auxent. The
3335 optional second argument is the alignment (the default is 2). */
3338 ppc_csect (int ignore ATTRIBUTE_UNUSED)
3345 name = input_line_pointer;
3346 endc = get_symbol_end ();
3348 sym = symbol_find_or_make (name);
3350 *input_line_pointer = endc;
3352 if (S_GET_NAME (sym)[0] == '\0')
3354 /* An unnamed csect is assumed to be [PR]. */
3355 symbol_get_tc (sym)->symbol_class = XMC_PR;
3359 if (*input_line_pointer == ',')
3361 ++input_line_pointer;
3362 align = get_absolute_expression ();
3365 ppc_change_csect (sym, align);
3367 demand_empty_rest_of_line ();
3370 /* Change to a different csect. */
3373 ppc_change_csect (symbolS *sym, offsetT align)
3375 if (S_IS_DEFINED (sym))
3376 subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
3386 /* This is a new csect. We need to look at the symbol class to
3387 figure out whether it should go in the text section or the
3391 switch (symbol_get_tc (sym)->symbol_class)
3401 S_SET_SEGMENT (sym, text_section);
3402 symbol_get_tc (sym)->subseg = ppc_text_subsegment;
3403 ++ppc_text_subsegment;
3404 list_ptr = &ppc_text_csects;
3414 if (ppc_toc_csect != NULL
3415 && (symbol_get_tc (ppc_toc_csect)->subseg + 1
3416 == ppc_data_subsegment))
3418 S_SET_SEGMENT (sym, data_section);
3419 symbol_get_tc (sym)->subseg = ppc_data_subsegment;
3420 ++ppc_data_subsegment;
3421 list_ptr = &ppc_data_csects;
3427 /* We set the obstack chunk size to a small value before
3428 changing subsegments, so that we don't use a lot of memory
3429 space for what may be a small section. */
3430 hold_chunksize = chunksize;
3433 sec = subseg_new (segment_name (S_GET_SEGMENT (sym)),
3434 symbol_get_tc (sym)->subseg);
3436 chunksize = hold_chunksize;
3439 ppc_after_toc_frag = frag_now;
3441 record_alignment (sec, align);
3443 frag_align_code (align, 0);
3445 frag_align (align, 0, 0);
3447 symbol_set_frag (sym, frag_now);
3448 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3450 symbol_get_tc (sym)->align = align;
3451 symbol_get_tc (sym)->output = 1;
3452 symbol_get_tc (sym)->within = sym;
3454 for (list = *list_ptr;
3455 symbol_get_tc (list)->next != (symbolS *) NULL;
3456 list = symbol_get_tc (list)->next)
3458 symbol_get_tc (list)->next = sym;
3460 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3461 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3465 ppc_current_csect = sym;
3468 /* This function handles the .text and .data pseudo-ops. These
3469 pseudo-ops aren't really used by XCOFF; we implement them for the
3470 convenience of people who aren't used to XCOFF. */
3473 ppc_section (int type)
3480 else if (type == 'd')
3485 sym = symbol_find_or_make (name);
3487 ppc_change_csect (sym, 2);
3489 demand_empty_rest_of_line ();
3492 /* This function handles the .section pseudo-op. This is mostly to
3493 give an error, since XCOFF only supports .text, .data and .bss, but
3494 we do permit the user to name the text or data section. */
3497 ppc_named_section (int ignore ATTRIBUTE_UNUSED)
3500 const char *real_name;
3504 user_name = input_line_pointer;
3505 c = get_symbol_end ();
3507 if (strcmp (user_name, ".text") == 0)
3508 real_name = ".text[PR]";
3509 else if (strcmp (user_name, ".data") == 0)
3510 real_name = ".data[RW]";
3513 as_bad (_("The XCOFF file format does not support arbitrary sections"));
3514 *input_line_pointer = c;
3515 ignore_rest_of_line ();
3519 *input_line_pointer = c;
3521 sym = symbol_find_or_make (real_name);
3523 ppc_change_csect (sym, 2);
3525 demand_empty_rest_of_line ();
3528 /* The .extern pseudo-op. We create an undefined symbol. */
3531 ppc_extern (int ignore ATTRIBUTE_UNUSED)
3536 name = input_line_pointer;
3537 endc = get_symbol_end ();
3539 (void) symbol_find_or_make (name);
3541 *input_line_pointer = endc;
3543 demand_empty_rest_of_line ();
3546 /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
3549 ppc_lglobl (int ignore ATTRIBUTE_UNUSED)
3555 name = input_line_pointer;
3556 endc = get_symbol_end ();
3558 sym = symbol_find_or_make (name);
3560 *input_line_pointer = endc;
3562 symbol_get_tc (sym)->output = 1;
3564 demand_empty_rest_of_line ();
3567 /* The .ref pseudo-op. It takes a list of symbol names and inserts R_REF
3568 relocations at the beginning of the current csect.
3570 (In principle, there's no reason why the relocations _have_ to be at
3571 the beginning. Anywhere in the csect would do. However, inserting
3572 at the beginning is what the native assmebler does, and it helps to
3573 deal with cases where the .ref statements follow the section contents.)
3575 ??? .refs don't work for empty .csects. However, the native assembler
3576 doesn't report an error in this case, and neither yet do we. */
3579 ppc_ref (int ignore ATTRIBUTE_UNUSED)
3584 if (ppc_current_csect == NULL)
3586 as_bad (_(".ref outside .csect"));
3587 ignore_rest_of_line ();
3593 name = input_line_pointer;
3594 c = get_symbol_end ();
3596 fix_at_start (symbol_get_frag (ppc_current_csect), 0,
3597 symbol_find_or_make (name), 0, FALSE, BFD_RELOC_NONE);
3599 *input_line_pointer = c;
3601 c = *input_line_pointer;
3604 input_line_pointer++;
3606 if (is_end_of_line[(unsigned char) *input_line_pointer])
3608 as_bad (_("missing symbol name"));
3609 ignore_rest_of_line ();
3616 demand_empty_rest_of_line ();
3619 /* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
3620 although I don't know why it bothers. */
3623 ppc_rename (int ignore ATTRIBUTE_UNUSED)
3630 name = input_line_pointer;
3631 endc = get_symbol_end ();
3633 sym = symbol_find_or_make (name);
3635 *input_line_pointer = endc;
3637 if (*input_line_pointer != ',')
3639 as_bad (_("missing rename string"));
3640 ignore_rest_of_line ();
3643 ++input_line_pointer;
3645 symbol_get_tc (sym)->real_name = demand_copy_C_string (&len);
3647 demand_empty_rest_of_line ();
3650 /* The .stabx pseudo-op. This is similar to a normal .stabs
3651 pseudo-op, but slightly different. A sample is
3652 .stabx "main:F-1",.main,142,0
3653 The first argument is the symbol name to create. The second is the
3654 value, and the third is the storage class. The fourth seems to be
3655 always zero, and I am assuming it is the type. */
3658 ppc_stabx (int ignore ATTRIBUTE_UNUSED)
3665 name = demand_copy_C_string (&len);
3667 if (*input_line_pointer != ',')
3669 as_bad (_("missing value"));
3672 ++input_line_pointer;
3674 ppc_stab_symbol = TRUE;
3675 sym = symbol_make (name);
3676 ppc_stab_symbol = FALSE;
3678 symbol_get_tc (sym)->real_name = name;
3680 (void) expression (&exp);
3687 as_bad (_("illegal .stabx expression; zero assumed"));
3688 exp.X_add_number = 0;
3691 S_SET_VALUE (sym, (valueT) exp.X_add_number);
3692 symbol_set_frag (sym, &zero_address_frag);
3696 if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section)
3697 symbol_set_value_expression (sym, &exp);
3701 exp.X_add_number + S_GET_VALUE (exp.X_add_symbol));
3702 symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol));
3707 /* The value is some complex expression. This will probably
3708 fail at some later point, but this is probably the right
3709 thing to do here. */
3710 symbol_set_value_expression (sym, &exp);
3714 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3715 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3717 if (*input_line_pointer != ',')
3719 as_bad (_("missing class"));
3722 ++input_line_pointer;
3724 S_SET_STORAGE_CLASS (sym, get_absolute_expression ());
3726 if (*input_line_pointer != ',')
3728 as_bad (_("missing type"));
3731 ++input_line_pointer;
3733 S_SET_DATA_TYPE (sym, get_absolute_expression ());
3735 symbol_get_tc (sym)->output = 1;
3737 if (S_GET_STORAGE_CLASS (sym) == C_STSYM) {
3739 symbol_get_tc (sym)->within = ppc_current_block;
3744 .stabx "z",arrays_,133,0
3747 .comm arrays_,13768,3
3749 resolve_symbol_value will copy the exp's "within" into sym's when the
3750 offset is 0. Since this seems to be corner case problem,
3751 only do the correction for storage class C_STSYM. A better solution
3752 would be to have the tc field updated in ppc_symbol_new_hook. */
3754 if (exp.X_op == O_symbol)
3756 symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block;
3760 if (exp.X_op != O_symbol
3761 || ! S_IS_EXTERNAL (exp.X_add_symbol)
3762 || S_GET_SEGMENT (exp.X_add_symbol) != bss_section)
3763 ppc_frob_label (sym);
3766 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3767 symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP);
3768 if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol)
3769 symbol_get_tc (ppc_current_csect)->within = sym;
3772 demand_empty_rest_of_line ();
3775 /* The .function pseudo-op. This takes several arguments. The first
3776 argument seems to be the external name of the symbol. The second
3777 argument seems to be the label for the start of the function. gcc
3778 uses the same name for both. I have no idea what the third and
3779 fourth arguments are meant to be. The optional fifth argument is
3780 an expression for the size of the function. In COFF this symbol
3781 gets an aux entry like that used for a csect. */
3784 ppc_function (int ignore ATTRIBUTE_UNUSED)
3792 name = input_line_pointer;
3793 endc = get_symbol_end ();
3795 /* Ignore any [PR] suffix. */
3796 name = ppc_canonicalize_symbol_name (name);
3797 s = strchr (name, '[');
3798 if (s != (char *) NULL
3799 && strcmp (s + 1, "PR]") == 0)
3802 ext_sym = symbol_find_or_make (name);
3804 *input_line_pointer = endc;
3806 if (*input_line_pointer != ',')
3808 as_bad (_("missing symbol name"));
3809 ignore_rest_of_line ();
3812 ++input_line_pointer;
3814 name = input_line_pointer;
3815 endc = get_symbol_end ();
3817 lab_sym = symbol_find_or_make (name);
3819 *input_line_pointer = endc;
3821 if (ext_sym != lab_sym)
3825 exp.X_op = O_symbol;
3826 exp.X_add_symbol = lab_sym;
3827 exp.X_op_symbol = NULL;
3828 exp.X_add_number = 0;
3830 symbol_set_value_expression (ext_sym, &exp);
3833 if (symbol_get_tc (ext_sym)->symbol_class == -1)
3834 symbol_get_tc (ext_sym)->symbol_class = XMC_PR;
3835 symbol_get_tc (ext_sym)->output = 1;
3837 if (*input_line_pointer == ',')
3841 /* Ignore the third argument. */
3842 ++input_line_pointer;
3844 if (*input_line_pointer == ',')
3846 /* Ignore the fourth argument. */
3847 ++input_line_pointer;
3849 if (*input_line_pointer == ',')
3851 /* The fifth argument is the function size. */
3852 ++input_line_pointer;
3853 symbol_get_tc (ext_sym)->size = symbol_new ("L0\001",
3856 &zero_address_frag);
3857 pseudo_set (symbol_get_tc (ext_sym)->size);
3862 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
3863 SF_SET_FUNCTION (ext_sym);
3864 SF_SET_PROCESS (ext_sym);
3865 coff_add_linesym (ext_sym);
3867 demand_empty_rest_of_line ();
3870 /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
3871 ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
3872 with the correct line number */
3874 static symbolS *saved_bi_sym = 0;
3877 ppc_bf (int ignore ATTRIBUTE_UNUSED)
3881 sym = symbol_make (".bf");
3882 S_SET_SEGMENT (sym, text_section);
3883 symbol_set_frag (sym, frag_now);
3884 S_SET_VALUE (sym, frag_now_fix ());
3885 S_SET_STORAGE_CLASS (sym, C_FCN);
3887 coff_line_base = get_absolute_expression ();
3889 S_SET_NUMBER_AUXILIARY (sym, 1);
3890 SA_SET_SYM_LNNO (sym, coff_line_base);
3892 /* Line number for bi. */
3895 S_SET_VALUE (saved_bi_sym, coff_n_line_nos);
3900 symbol_get_tc (sym)->output = 1;
3902 ppc_frob_label (sym);
3904 demand_empty_rest_of_line ();
3907 /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named
3908 ".ef", except that the line number is absolute, not relative to the
3909 most recent ".bf" symbol. */
3912 ppc_ef (int ignore ATTRIBUTE_UNUSED)
3916 sym = symbol_make (".ef");
3917 S_SET_SEGMENT (sym, text_section);
3918 symbol_set_frag (sym, frag_now);
3919 S_SET_VALUE (sym, frag_now_fix ());
3920 S_SET_STORAGE_CLASS (sym, C_FCN);
3921 S_SET_NUMBER_AUXILIARY (sym, 1);
3922 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3923 symbol_get_tc (sym)->output = 1;
3925 ppc_frob_label (sym);
3927 demand_empty_rest_of_line ();
3930 /* The .bi and .ei pseudo-ops. These take a string argument and
3931 generates a C_BINCL or C_EINCL symbol, which goes at the start of
3932 the symbol list. The value of .bi will be know when the next .bf
3938 static symbolS *last_biei;
3945 name = demand_copy_C_string (&len);
3947 /* The value of these symbols is actually file offset. Here we set
3948 the value to the index into the line number entries. In
3949 ppc_frob_symbols we set the fix_line field, which will cause BFD
3950 to do the right thing. */
3952 sym = symbol_make (name);
3953 /* obj-coff.c currently only handles line numbers correctly in the
3955 S_SET_SEGMENT (sym, text_section);
3956 S_SET_VALUE (sym, coff_n_line_nos);
3957 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3959 S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
3960 symbol_get_tc (sym)->output = 1;
3968 for (look = last_biei ? last_biei : symbol_rootP;
3969 (look != (symbolS *) NULL
3970 && (S_GET_STORAGE_CLASS (look) == C_FILE
3971 || S_GET_STORAGE_CLASS (look) == C_BINCL
3972 || S_GET_STORAGE_CLASS (look) == C_EINCL));
3973 look = symbol_next (look))
3975 if (look != (symbolS *) NULL)
3977 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3978 symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
3982 demand_empty_rest_of_line ();
3985 /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs".
3986 There is one argument, which is a csect symbol. The value of the
3987 .bs symbol is the index of this csect symbol. */
3990 ppc_bs (int ignore ATTRIBUTE_UNUSED)
3997 if (ppc_current_block != NULL)
3998 as_bad (_("nested .bs blocks"));
4000 name = input_line_pointer;
4001 endc = get_symbol_end ();
4003 csect = symbol_find_or_make (name);
4005 *input_line_pointer = endc;
4007 sym = symbol_make (".bs");
4008 S_SET_SEGMENT (sym, now_seg);
4009 S_SET_STORAGE_CLASS (sym, C_BSTAT);
4010 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
4011 symbol_get_tc (sym)->output = 1;
4013 symbol_get_tc (sym)->within = csect;
4015 ppc_frob_label (sym);
4017 ppc_current_block = sym;
4019 demand_empty_rest_of_line ();
4022 /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
4025 ppc_es (int ignore ATTRIBUTE_UNUSED)
4029 if (ppc_current_block == NULL)
4030 as_bad (_(".es without preceding .bs"));
4032 sym = symbol_make (".es");
4033 S_SET_SEGMENT (sym, now_seg);
4034 S_SET_STORAGE_CLASS (sym, C_ESTAT);
4035 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
4036 symbol_get_tc (sym)->output = 1;
4038 ppc_frob_label (sym);
4040 ppc_current_block = NULL;
4042 demand_empty_rest_of_line ();
4045 /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a
4049 ppc_bb (int ignore ATTRIBUTE_UNUSED)
4053 sym = symbol_make (".bb");
4054 S_SET_SEGMENT (sym, text_section);
4055 symbol_set_frag (sym, frag_now);
4056 S_SET_VALUE (sym, frag_now_fix ());
4057 S_SET_STORAGE_CLASS (sym, C_BLOCK);
4059 S_SET_NUMBER_AUXILIARY (sym, 1);
4060 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
4062 symbol_get_tc (sym)->output = 1;
4064 SF_SET_PROCESS (sym);
4066 ppc_frob_label (sym);
4068 demand_empty_rest_of_line ();
4071 /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a
4075 ppc_eb (int ignore ATTRIBUTE_UNUSED)
4079 sym = symbol_make (".eb");
4080 S_SET_SEGMENT (sym, text_section);
4081 symbol_set_frag (sym, frag_now);
4082 S_SET_VALUE (sym, frag_now_fix ());
4083 S_SET_STORAGE_CLASS (sym, C_BLOCK);
4084 S_SET_NUMBER_AUXILIARY (sym, 1);
4085 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
4086 symbol_get_tc (sym)->output = 1;
4088 SF_SET_PROCESS (sym);
4090 ppc_frob_label (sym);
4092 demand_empty_rest_of_line ();
4095 /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
4099 ppc_bc (int ignore ATTRIBUTE_UNUSED)
4105 name = demand_copy_C_string (&len);
4106 sym = symbol_make (name);
4107 S_SET_SEGMENT (sym, ppc_coff_debug_section);
4108 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
4109 S_SET_STORAGE_CLASS (sym, C_BCOMM);
4110 S_SET_VALUE (sym, 0);
4111 symbol_get_tc (sym)->output = 1;
4113 ppc_frob_label (sym);
4115 demand_empty_rest_of_line ();
4118 /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
4121 ppc_ec (int ignore ATTRIBUTE_UNUSED)
4125 sym = symbol_make (".ec");
4126 S_SET_SEGMENT (sym, ppc_coff_debug_section);
4127 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
4128 S_SET_STORAGE_CLASS (sym, C_ECOMM);
4129 S_SET_VALUE (sym, 0);
4130 symbol_get_tc (sym)->output = 1;
4132 ppc_frob_label (sym);
4134 demand_empty_rest_of_line ();
4137 /* The .toc pseudo-op. Switch to the .toc subsegment. */
4140 ppc_toc (int ignore ATTRIBUTE_UNUSED)
4142 if (ppc_toc_csect != (symbolS *) NULL)
4143 subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
4150 subseg = ppc_data_subsegment;
4151 ++ppc_data_subsegment;
4153 subseg_new (segment_name (data_section), subseg);
4154 ppc_toc_frag = frag_now;
4156 sym = symbol_find_or_make ("TOC[TC0]");
4157 symbol_set_frag (sym, frag_now);
4158 S_SET_SEGMENT (sym, data_section);
4159 S_SET_VALUE (sym, (valueT) frag_now_fix ());
4160 symbol_get_tc (sym)->subseg = subseg;
4161 symbol_get_tc (sym)->output = 1;
4162 symbol_get_tc (sym)->within = sym;
4164 ppc_toc_csect = sym;
4166 for (list = ppc_data_csects;
4167 symbol_get_tc (list)->next != (symbolS *) NULL;
4168 list = symbol_get_tc (list)->next)
4170 symbol_get_tc (list)->next = sym;
4172 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
4173 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
4177 ppc_current_csect = ppc_toc_csect;
4179 demand_empty_rest_of_line ();
4182 /* The AIX assembler automatically aligns the operands of a .long or
4183 .short pseudo-op, and we want to be compatible. */
4186 ppc_xcoff_cons (int log_size)
4188 frag_align (log_size, 0, 0);
4189 record_alignment (now_seg, log_size);
4190 cons (1 << log_size);
4194 ppc_vbyte (int dummy ATTRIBUTE_UNUSED)
4199 (void) expression (&exp);
4201 if (exp.X_op != O_constant)
4203 as_bad (_("non-constant byte count"));
4207 byte_count = exp.X_add_number;
4209 if (*input_line_pointer != ',')
4211 as_bad (_("missing value"));
4215 ++input_line_pointer;
4219 #endif /* OBJ_XCOFF */
4220 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
4222 /* The .tc pseudo-op. This is used when generating either XCOFF or
4223 ELF. This takes two or more arguments.
4225 When generating XCOFF output, the first argument is the name to
4226 give to this location in the toc; this will be a symbol with class
4227 TC. The rest of the arguments are N-byte values to actually put at
4228 this location in the TOC; often there is just one more argument, a
4229 relocatable symbol reference. The size of the value to store
4230 depends on target word size. A 32-bit target uses 4-byte values, a
4231 64-bit target uses 8-byte values.
4233 When not generating XCOFF output, the arguments are the same, but
4234 the first argument is simply ignored. */
4237 ppc_tc (int ignore ATTRIBUTE_UNUSED)
4241 /* Define the TOC symbol name. */
4247 if (ppc_toc_csect == (symbolS *) NULL
4248 || ppc_toc_csect != ppc_current_csect)
4250 as_bad (_(".tc not in .toc section"));
4251 ignore_rest_of_line ();
4255 name = input_line_pointer;
4256 endc = get_symbol_end ();
4258 sym = symbol_find_or_make (name);
4260 *input_line_pointer = endc;
4262 if (S_IS_DEFINED (sym))
4266 label = symbol_get_tc (ppc_current_csect)->within;
4267 if (symbol_get_tc (label)->symbol_class != XMC_TC0)
4269 as_bad (_(".tc with no label"));
4270 ignore_rest_of_line ();
4274 S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
4275 symbol_set_frag (label, symbol_get_frag (sym));
4276 S_SET_VALUE (label, S_GET_VALUE (sym));
4278 while (! is_end_of_line[(unsigned char) *input_line_pointer])
4279 ++input_line_pointer;
4284 S_SET_SEGMENT (sym, now_seg);
4285 symbol_set_frag (sym, frag_now);
4286 S_SET_VALUE (sym, (valueT) frag_now_fix ());
4287 symbol_get_tc (sym)->symbol_class = XMC_TC;
4288 symbol_get_tc (sym)->output = 1;
4290 ppc_frob_label (sym);
4293 #endif /* OBJ_XCOFF */
4297 /* Skip the TOC symbol name. */
4298 while (is_part_of_name (*input_line_pointer)
4299 || *input_line_pointer == ' '
4300 || *input_line_pointer == '['
4301 || *input_line_pointer == ']'
4302 || *input_line_pointer == '{'
4303 || *input_line_pointer == '}')
4304 ++input_line_pointer;
4306 /* Align to a four/eight byte boundary. */
4307 align = ppc_obj64 ? 3 : 2;
4308 frag_align (align, 0, 0);
4309 record_alignment (now_seg, align);
4310 #endif /* OBJ_ELF */
4312 if (*input_line_pointer != ',')
4313 demand_empty_rest_of_line ();
4316 ++input_line_pointer;
4317 cons (ppc_obj64 ? 8 : 4);
4321 /* Pseudo-op .machine. */
4324 ppc_machine (int ignore ATTRIBUTE_UNUSED)
4327 #define MAX_HISTORY 100
4328 static ppc_cpu_t *cpu_history;
4329 static int curr_hist;
4333 if (*input_line_pointer == '"')
4336 cpu_string = demand_copy_C_string (&len);
4341 cpu_string = input_line_pointer;
4342 c = get_symbol_end ();
4343 cpu_string = xstrdup (cpu_string);
4344 *input_line_pointer = c;
4347 if (cpu_string != NULL)
4349 ppc_cpu_t old_cpu = ppc_cpu;
4353 for (p = cpu_string; *p != 0; p++)
4356 if (strcmp (cpu_string, "push") == 0)
4358 if (cpu_history == NULL)
4359 cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history));
4361 if (curr_hist >= MAX_HISTORY)
4362 as_bad (_(".machine stack overflow"));
4364 cpu_history[curr_hist++] = ppc_cpu;
4366 else if (strcmp (cpu_string, "pop") == 0)
4369 as_bad (_(".machine stack underflow"));
4371 ppc_cpu = cpu_history[--curr_hist];
4373 else if ((new_cpu = ppc_parse_cpu (ppc_cpu, cpu_string)) != 0)
4376 as_bad (_("invalid machine `%s'"), cpu_string);
4378 if (ppc_cpu != old_cpu)
4379 ppc_setup_opcodes ();
4382 demand_empty_rest_of_line ();
4385 /* See whether a symbol is in the TOC section. */
4388 ppc_is_toc_sym (symbolS *sym)
4391 return symbol_get_tc (sym)->symbol_class == XMC_TC;
4394 const char *sname = segment_name (S_GET_SEGMENT (sym));
4396 return strcmp (sname, ".toc") == 0;
4398 return strcmp (sname, ".got") == 0;
4401 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
4405 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
4407 /* Set the current section. */
4409 ppc_set_current_section (segT new)
4411 ppc_previous_section = ppc_current_section;
4412 ppc_current_section = new;
4415 /* pseudo-op: .previous
4416 behaviour: toggles the current section with the previous section.
4418 warnings: "No previous section" */
4421 ppc_previous (int ignore ATTRIBUTE_UNUSED)
4425 if (ppc_previous_section == NULL)
4427 as_warn (_("No previous section to return to. Directive ignored."));
4431 subseg_set (ppc_previous_section, 0);
4433 ppc_set_current_section (ppc_previous_section);
4436 /* pseudo-op: .pdata
4437 behaviour: predefined read only data section
4441 initial: .section .pdata "adr3"
4442 a - don't know -- maybe a misprint
4443 d - initialized data
4445 3 - double word aligned (that would be 4 byte boundary)
4448 Tag index tables (also known as the function table) for exception
4449 handling, debugging, etc. */
4452 ppc_pdata (int ignore ATTRIBUTE_UNUSED)
4454 if (pdata_section == 0)
4456 pdata_section = subseg_new (".pdata", 0);
4458 bfd_set_section_flags (stdoutput, pdata_section,
4459 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4460 | SEC_READONLY | SEC_DATA ));
4462 bfd_set_section_alignment (stdoutput, pdata_section, 2);
4466 pdata_section = subseg_new (".pdata", 0);
4468 ppc_set_current_section (pdata_section);
4471 /* pseudo-op: .ydata
4472 behaviour: predefined read only data section
4476 initial: .section .ydata "drw3"
4477 a - don't know -- maybe a misprint
4478 d - initialized data
4480 3 - double word aligned (that would be 4 byte boundary)
4482 Tag tables (also known as the scope table) for exception handling,
4486 ppc_ydata (int ignore ATTRIBUTE_UNUSED)
4488 if (ydata_section == 0)
4490 ydata_section = subseg_new (".ydata", 0);
4491 bfd_set_section_flags (stdoutput, ydata_section,
4492 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4493 | SEC_READONLY | SEC_DATA ));
4495 bfd_set_section_alignment (stdoutput, ydata_section, 3);
4499 ydata_section = subseg_new (".ydata", 0);
4501 ppc_set_current_section (ydata_section);
4504 /* pseudo-op: .reldata
4505 behaviour: predefined read write data section
4506 double word aligned (4-byte)
4507 FIXME: relocation is applied to it
4508 FIXME: what's the difference between this and .data?
4511 initial: .section .reldata "drw3"
4512 d - initialized data
4515 3 - double word aligned (that would be 8 byte boundary)
4518 Like .data, but intended to hold data subject to relocation, such as
4519 function descriptors, etc. */
4522 ppc_reldata (int ignore ATTRIBUTE_UNUSED)
4524 if (reldata_section == 0)
4526 reldata_section = subseg_new (".reldata", 0);
4528 bfd_set_section_flags (stdoutput, reldata_section,
4529 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4532 bfd_set_section_alignment (stdoutput, reldata_section, 2);
4536 reldata_section = subseg_new (".reldata", 0);
4538 ppc_set_current_section (reldata_section);
4541 /* pseudo-op: .rdata
4542 behaviour: predefined read only data section
4546 initial: .section .rdata "dr3"
4547 d - initialized data
4549 3 - double word aligned (that would be 4 byte boundary) */
4552 ppc_rdata (int ignore ATTRIBUTE_UNUSED)
4554 if (rdata_section == 0)
4556 rdata_section = subseg_new (".rdata", 0);
4557 bfd_set_section_flags (stdoutput, rdata_section,
4558 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4559 | SEC_READONLY | SEC_DATA ));
4561 bfd_set_section_alignment (stdoutput, rdata_section, 2);
4565 rdata_section = subseg_new (".rdata", 0);
4567 ppc_set_current_section (rdata_section);
4570 /* pseudo-op: .ualong
4571 behaviour: much like .int, with the exception that no alignment is
4573 FIXME: test the alignment statement
4578 ppc_ualong (int ignore ATTRIBUTE_UNUSED)
4584 /* pseudo-op: .znop <symbol name>
4585 behaviour: Issue a nop instruction
4586 Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
4587 the supplied symbol name.
4589 warnings: Missing symbol name */
4592 ppc_znop (int ignore ATTRIBUTE_UNUSED)
4595 const struct powerpc_opcode *opcode;
4606 /* Strip out the symbol name. */
4607 symbol_name = input_line_pointer;
4608 c = get_symbol_end ();
4610 name = xmalloc (input_line_pointer - symbol_name + 1);
4611 strcpy (name, symbol_name);
4613 sym = symbol_find_or_make (name);
4615 *input_line_pointer = c;
4619 /* Look up the opcode in the hash table. */
4620 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
4622 /* Stick in the nop. */
4623 insn = opcode->opcode;
4625 /* Write out the instruction. */
4627 md_number_to_chars (f, insn, 4);
4629 f - frag_now->fr_literal,
4634 BFD_RELOC_16_GOT_PCREL);
4644 ppc_pe_comm (int lcomm)
4653 name = input_line_pointer;
4654 c = get_symbol_end ();
4656 /* just after name is now '\0'. */
4657 p = input_line_pointer;
4660 if (*input_line_pointer != ',')
4662 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
4663 ignore_rest_of_line ();
4667 input_line_pointer++; /* skip ',' */
4668 if ((temp = get_absolute_expression ()) < 0)
4670 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
4671 ignore_rest_of_line ();
4677 /* The third argument to .comm is the alignment. */
4678 if (*input_line_pointer != ',')
4682 ++input_line_pointer;
4683 align = get_absolute_expression ();
4686 as_warn (_("ignoring bad alignment"));
4693 symbolP = symbol_find_or_make (name);
4696 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
4698 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
4699 S_GET_NAME (symbolP));
4700 ignore_rest_of_line ();
4704 if (S_GET_VALUE (symbolP))
4706 if (S_GET_VALUE (symbolP) != (valueT) temp)
4707 as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
4708 S_GET_NAME (symbolP),
4709 (long) S_GET_VALUE (symbolP),
4714 S_SET_VALUE (symbolP, (valueT) temp);
4715 S_SET_EXTERNAL (symbolP);
4716 S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
4719 demand_empty_rest_of_line ();
4723 * implement the .section pseudo op:
4724 * .section name {, "flags"}
4726 * | +--- optional flags: 'b' for bss
4728 * +-- section name 'l' for lib
4732 * 'd' (apparently m88k for data)
4734 * But if the argument is not a quoted string, treat it as a
4735 * subsegment number.
4737 * FIXME: this is a copy of the section processing from obj-coff.c, with
4738 * additions/changes for the moto-pas assembler support. There are three
4741 * FIXME: I just noticed this. This doesn't work at all really. It it
4742 * setting bits that bfd probably neither understands or uses. The
4743 * correct approach (?) will have to incorporate extra fields attached
4744 * to the section to hold the system specific stuff. (krk)
4747 * 'a' - unknown - referred to in documentation, but no definition supplied
4748 * 'c' - section has code
4749 * 'd' - section has initialized data
4750 * 'u' - section has uninitialized data
4751 * 'i' - section contains directives (info)
4752 * 'n' - section can be discarded
4753 * 'R' - remove section at link time
4755 * Section Protection:
4756 * 'r' - section is readable
4757 * 'w' - section is writeable
4758 * 'x' - section is executable
4759 * 's' - section is sharable
4761 * Section Alignment:
4762 * '0' - align to byte boundary
4763 * '1' - align to halfword undary
4764 * '2' - align to word boundary
4765 * '3' - align to doubleword boundary
4766 * '4' - align to quadword boundary
4767 * '5' - align to 32 byte boundary
4768 * '6' - align to 64 byte boundary
4773 ppc_pe_section (int ignore ATTRIBUTE_UNUSED)
4775 /* Strip out the section name. */
4784 section_name = input_line_pointer;
4785 c = get_symbol_end ();
4787 name = xmalloc (input_line_pointer - section_name + 1);
4788 strcpy (name, section_name);
4790 *input_line_pointer = c;
4795 flags = SEC_NO_FLAGS;
4797 if (strcmp (name, ".idata$2") == 0)
4801 else if (strcmp (name, ".idata$3") == 0)
4805 else if (strcmp (name, ".idata$4") == 0)
4809 else if (strcmp (name, ".idata$5") == 0)
4813 else if (strcmp (name, ".idata$6") == 0)
4818 /* Default alignment to 16 byte boundary. */
4821 if (*input_line_pointer == ',')
4823 ++input_line_pointer;
4825 if (*input_line_pointer != '"')
4826 exp = get_absolute_expression ();
4829 ++input_line_pointer;
4830 while (*input_line_pointer != '"'
4831 && ! is_end_of_line[(unsigned char) *input_line_pointer])
4833 switch (*input_line_pointer)
4835 /* Section Contents */
4836 case 'a': /* unknown */
4837 as_bad (_("Unsupported section attribute -- 'a'"));
4839 case 'c': /* code section */
4842 case 'd': /* section has initialized data */
4845 case 'u': /* section has uninitialized data */
4846 /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
4850 case 'i': /* section contains directives (info) */
4851 /* FIXME: This is IMAGE_SCN_LNK_INFO
4853 flags |= SEC_HAS_CONTENTS;
4855 case 'n': /* section can be discarded */
4858 case 'R': /* Remove section at link time */
4859 flags |= SEC_NEVER_LOAD;
4861 #if IFLICT_BRAIN_DAMAGE
4862 /* Section Protection */
4863 case 'r': /* section is readable */
4864 flags |= IMAGE_SCN_MEM_READ;
4866 case 'w': /* section is writeable */
4867 flags |= IMAGE_SCN_MEM_WRITE;
4869 case 'x': /* section is executable */
4870 flags |= IMAGE_SCN_MEM_EXECUTE;
4872 case 's': /* section is sharable */
4873 flags |= IMAGE_SCN_MEM_SHARED;
4876 /* Section Alignment */
4877 case '0': /* align to byte boundary */
4878 flags |= IMAGE_SCN_ALIGN_1BYTES;
4881 case '1': /* align to halfword boundary */
4882 flags |= IMAGE_SCN_ALIGN_2BYTES;
4885 case '2': /* align to word boundary */
4886 flags |= IMAGE_SCN_ALIGN_4BYTES;
4889 case '3': /* align to doubleword boundary */
4890 flags |= IMAGE_SCN_ALIGN_8BYTES;
4893 case '4': /* align to quadword boundary */
4894 flags |= IMAGE_SCN_ALIGN_16BYTES;
4897 case '5': /* align to 32 byte boundary */
4898 flags |= IMAGE_SCN_ALIGN_32BYTES;
4901 case '6': /* align to 64 byte boundary */
4902 flags |= IMAGE_SCN_ALIGN_64BYTES;
4907 as_bad (_("unknown section attribute '%c'"),
4908 *input_line_pointer);
4911 ++input_line_pointer;
4913 if (*input_line_pointer == '"')
4914 ++input_line_pointer;
4918 sec = subseg_new (name, (subsegT) exp);
4920 ppc_set_current_section (sec);
4922 if (flags != SEC_NO_FLAGS)
4924 if (! bfd_set_section_flags (stdoutput, sec, flags))
4925 as_bad (_("error setting flags for \"%s\": %s"),
4926 bfd_section_name (stdoutput, sec),
4927 bfd_errmsg (bfd_get_error ()));
4930 bfd_set_section_alignment (stdoutput, sec, align);
4934 ppc_pe_function (int ignore ATTRIBUTE_UNUSED)
4940 name = input_line_pointer;
4941 endc = get_symbol_end ();
4943 ext_sym = symbol_find_or_make (name);
4945 *input_line_pointer = endc;
4947 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
4948 SF_SET_FUNCTION (ext_sym);
4949 SF_SET_PROCESS (ext_sym);
4950 coff_add_linesym (ext_sym);
4952 demand_empty_rest_of_line ();
4956 ppc_pe_tocd (int ignore ATTRIBUTE_UNUSED)
4958 if (tocdata_section == 0)
4960 tocdata_section = subseg_new (".tocd", 0);
4961 /* FIXME: section flags won't work. */
4962 bfd_set_section_flags (stdoutput, tocdata_section,
4963 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4964 | SEC_READONLY | SEC_DATA));
4966 bfd_set_section_alignment (stdoutput, tocdata_section, 2);
4970 rdata_section = subseg_new (".tocd", 0);
4973 ppc_set_current_section (tocdata_section);
4975 demand_empty_rest_of_line ();
4978 /* Don't adjust TOC relocs to use the section symbol. */
4981 ppc_pe_fix_adjustable (fixS *fix)
4983 return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
4990 /* XCOFF specific symbol and file handling. */
4992 /* Canonicalize the symbol name. We use the to force the suffix, if
4993 any, to use square brackets, and to be in upper case. */
4996 ppc_canonicalize_symbol_name (char *name)
5000 if (ppc_stab_symbol)
5003 for (s = name; *s != '\0' && *s != '{' && *s != '['; s++)
5017 for (s++; *s != '\0' && *s != brac; s++)
5020 if (*s == '\0' || s[1] != '\0')
5021 as_bad (_("bad symbol suffix"));
5029 /* Set the class of a symbol based on the suffix, if any. This is
5030 called whenever a new symbol is created. */
5033 ppc_symbol_new_hook (symbolS *sym)
5035 struct ppc_tc_sy *tc;
5038 tc = symbol_get_tc (sym);
5041 tc->symbol_class = -1;
5042 tc->real_name = NULL;
5048 if (ppc_stab_symbol)
5051 s = strchr (S_GET_NAME (sym), '[');
5052 if (s == (const char *) NULL)
5054 /* There is no suffix. */
5063 if (strcmp (s, "BS]") == 0)
5064 tc->symbol_class = XMC_BS;
5067 if (strcmp (s, "DB]") == 0)
5068 tc->symbol_class = XMC_DB;
5069 else if (strcmp (s, "DS]") == 0)
5070 tc->symbol_class = XMC_DS;
5073 if (strcmp (s, "GL]") == 0)
5074 tc->symbol_class = XMC_GL;
5077 if (strcmp (s, "PR]") == 0)
5078 tc->symbol_class = XMC_PR;
5081 if (strcmp (s, "RO]") == 0)
5082 tc->symbol_class = XMC_RO;
5083 else if (strcmp (s, "RW]") == 0)
5084 tc->symbol_class = XMC_RW;
5087 if (strcmp (s, "SV]") == 0)
5088 tc->symbol_class = XMC_SV;
5091 if (strcmp (s, "TC]") == 0)
5092 tc->symbol_class = XMC_TC;
5093 else if (strcmp (s, "TI]") == 0)
5094 tc->symbol_class = XMC_TI;
5095 else if (strcmp (s, "TB]") == 0)
5096 tc->symbol_class = XMC_TB;
5097 else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
5098 tc->symbol_class = XMC_TC0;
5101 if (strcmp (s, "UA]") == 0)
5102 tc->symbol_class = XMC_UA;
5103 else if (strcmp (s, "UC]") == 0)
5104 tc->symbol_class = XMC_UC;
5107 if (strcmp (s, "XO]") == 0)
5108 tc->symbol_class = XMC_XO;
5112 if (tc->symbol_class == -1)
5113 as_bad (_("Unrecognized symbol suffix"));
5116 /* Set the class of a label based on where it is defined. This
5117 handles symbols without suffixes. Also, move the symbol so that it
5118 follows the csect symbol. */
5121 ppc_frob_label (symbolS *sym)
5123 if (ppc_current_csect != (symbolS *) NULL)
5125 if (symbol_get_tc (sym)->symbol_class == -1)
5126 symbol_get_tc (sym)->symbol_class = symbol_get_tc (ppc_current_csect)->symbol_class;
5128 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
5129 symbol_append (sym, symbol_get_tc (ppc_current_csect)->within,
5130 &symbol_rootP, &symbol_lastP);
5131 symbol_get_tc (ppc_current_csect)->within = sym;
5135 dwarf2_emit_label (sym);
5139 /* This variable is set by ppc_frob_symbol if any absolute symbols are
5140 seen. It tells ppc_adjust_symtab whether it needs to look through
5143 static bfd_boolean ppc_saw_abs;
5145 /* Change the name of a symbol just before writing it out. Set the
5146 real name if the .rename pseudo-op was used. Otherwise, remove any
5147 class suffix. Return 1 if the symbol should not be included in the
5151 ppc_frob_symbol (symbolS *sym)
5153 static symbolS *ppc_last_function;
5154 static symbolS *set_end;
5156 /* Discard symbols that should not be included in the output symbol
5158 if (! symbol_used_in_reloc_p (sym)
5159 && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
5160 || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
5161 && ! symbol_get_tc (sym)->output
5162 && S_GET_STORAGE_CLASS (sym) != C_FILE)))
5165 /* This one will disappear anyway. Don't make a csect sym for it. */
5166 if (sym == abs_section_sym)
5169 if (symbol_get_tc (sym)->real_name != (char *) NULL)
5170 S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
5176 name = S_GET_NAME (sym);
5177 s = strchr (name, '[');
5178 if (s != (char *) NULL)
5184 snew = xmalloc (len + 1);
5185 memcpy (snew, name, len);
5188 S_SET_NAME (sym, snew);
5192 if (set_end != (symbolS *) NULL)
5194 SA_SET_SYM_ENDNDX (set_end, sym);
5198 if (SF_GET_FUNCTION (sym))
5200 if (ppc_last_function != (symbolS *) NULL)
5201 as_bad (_("two .function pseudo-ops with no intervening .ef"));
5202 ppc_last_function = sym;
5203 if (symbol_get_tc (sym)->size != (symbolS *) NULL)
5205 resolve_symbol_value (symbol_get_tc (sym)->size);
5206 SA_SET_SYM_FSIZE (sym,
5207 (long) S_GET_VALUE (symbol_get_tc (sym)->size));
5210 else if (S_GET_STORAGE_CLASS (sym) == C_FCN
5211 && strcmp (S_GET_NAME (sym), ".ef") == 0)
5213 if (ppc_last_function == (symbolS *) NULL)
5214 as_bad (_(".ef with no preceding .function"));
5217 set_end = ppc_last_function;
5218 ppc_last_function = NULL;
5220 /* We don't have a C_EFCN symbol, but we need to force the
5221 COFF backend to believe that it has seen one. */
5222 coff_last_function = NULL;
5226 if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
5227 && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
5228 && S_GET_STORAGE_CLASS (sym) != C_FILE
5229 && S_GET_STORAGE_CLASS (sym) != C_FCN
5230 && S_GET_STORAGE_CLASS (sym) != C_BLOCK
5231 && S_GET_STORAGE_CLASS (sym) != C_BSTAT
5232 && S_GET_STORAGE_CLASS (sym) != C_ESTAT
5233 && S_GET_STORAGE_CLASS (sym) != C_BINCL
5234 && S_GET_STORAGE_CLASS (sym) != C_EINCL
5235 && S_GET_SEGMENT (sym) != ppc_coff_debug_section)
5236 S_SET_STORAGE_CLASS (sym, C_HIDEXT);
5238 if (S_GET_STORAGE_CLASS (sym) == C_EXT
5239 || S_GET_STORAGE_CLASS (sym) == C_AIX_WEAKEXT
5240 || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
5243 union internal_auxent *a;
5245 /* Create a csect aux. */
5246 i = S_GET_NUMBER_AUXILIARY (sym);
5247 S_SET_NUMBER_AUXILIARY (sym, i + 1);
5248 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent;
5249 if (symbol_get_tc (sym)->symbol_class == XMC_TC0)
5251 /* This is the TOC table. */
5252 know (strcmp (S_GET_NAME (sym), "TOC") == 0);
5253 a->x_csect.x_scnlen.l = 0;
5254 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
5256 else if (symbol_get_tc (sym)->subseg != 0)
5258 /* This is a csect symbol. x_scnlen is the size of the
5260 if (symbol_get_tc (sym)->next == (symbolS *) NULL)
5261 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
5262 S_GET_SEGMENT (sym))
5263 - S_GET_VALUE (sym));
5266 resolve_symbol_value (symbol_get_tc (sym)->next);
5267 a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next)
5268 - S_GET_VALUE (sym));
5270 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD;
5272 else if (S_GET_SEGMENT (sym) == bss_section)
5274 /* This is a common symbol. */
5275 a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset;
5276 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM;
5277 if (S_IS_EXTERNAL (sym))
5278 symbol_get_tc (sym)->symbol_class = XMC_RW;
5280 symbol_get_tc (sym)->symbol_class = XMC_BS;
5282 else if (S_GET_SEGMENT (sym) == absolute_section)
5284 /* This is an absolute symbol. The csect will be created by
5285 ppc_adjust_symtab. */
5287 a->x_csect.x_smtyp = XTY_LD;
5288 if (symbol_get_tc (sym)->symbol_class == -1)
5289 symbol_get_tc (sym)->symbol_class = XMC_XO;
5291 else if (! S_IS_DEFINED (sym))
5293 /* This is an external symbol. */
5294 a->x_csect.x_scnlen.l = 0;
5295 a->x_csect.x_smtyp = XTY_ER;
5297 else if (symbol_get_tc (sym)->symbol_class == XMC_TC)
5301 /* This is a TOC definition. x_scnlen is the size of the
5303 next = symbol_next (sym);
5304 while (symbol_get_tc (next)->symbol_class == XMC_TC0)
5305 next = symbol_next (next);
5306 if (next == (symbolS *) NULL
5307 || symbol_get_tc (next)->symbol_class != XMC_TC)
5309 if (ppc_after_toc_frag == (fragS *) NULL)
5310 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
5312 - S_GET_VALUE (sym));
5314 a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address
5315 - S_GET_VALUE (sym));
5319 resolve_symbol_value (next);
5320 a->x_csect.x_scnlen.l = (S_GET_VALUE (next)
5321 - S_GET_VALUE (sym));
5323 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
5329 /* This is a normal symbol definition. x_scnlen is the
5330 symbol index of the containing csect. */
5331 if (S_GET_SEGMENT (sym) == text_section)
5332 csect = ppc_text_csects;
5333 else if (S_GET_SEGMENT (sym) == data_section)
5334 csect = ppc_data_csects;
5338 /* Skip the initial dummy symbol. */
5339 csect = symbol_get_tc (csect)->next;
5341 if (csect == (symbolS *) NULL)
5343 as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
5344 a->x_csect.x_scnlen.l = 0;
5348 while (symbol_get_tc (csect)->next != (symbolS *) NULL)
5350 resolve_symbol_value (symbol_get_tc (csect)->next);
5351 if (S_GET_VALUE (symbol_get_tc (csect)->next)
5352 > S_GET_VALUE (sym))
5354 csect = symbol_get_tc (csect)->next;
5357 a->x_csect.x_scnlen.p =
5358 coffsymbol (symbol_get_bfdsym (csect))->native;
5359 coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen =
5362 a->x_csect.x_smtyp = XTY_LD;
5365 a->x_csect.x_parmhash = 0;
5366 a->x_csect.x_snhash = 0;
5367 if (symbol_get_tc (sym)->symbol_class == -1)
5368 a->x_csect.x_smclas = XMC_PR;
5370 a->x_csect.x_smclas = symbol_get_tc (sym)->symbol_class;
5371 a->x_csect.x_stab = 0;
5372 a->x_csect.x_snstab = 0;
5374 /* Don't let the COFF backend resort these symbols. */
5375 symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
5377 else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
5379 /* We want the value to be the symbol index of the referenced
5380 csect symbol. BFD will do that for us if we set the right
5382 asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within);
5383 combined_entry_type *c = coffsymbol (bsym)->native;
5385 S_SET_VALUE (sym, (valueT) (size_t) c);
5386 coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
5388 else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
5393 /* The value is the offset from the enclosing csect. */
5394 block = symbol_get_tc (sym)->within;
5395 csect = symbol_get_tc (block)->within;
5396 resolve_symbol_value (csect);
5397 S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
5399 else if (S_GET_STORAGE_CLASS (sym) == C_BINCL
5400 || S_GET_STORAGE_CLASS (sym) == C_EINCL)
5402 /* We want the value to be a file offset into the line numbers.
5403 BFD will do that for us if we set the right flags. We have
5404 already set the value correctly. */
5405 coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1;
5411 /* Adjust the symbol table. This creates csect symbols for all
5412 absolute symbols. */
5415 ppc_adjust_symtab (void)
5422 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
5426 union internal_auxent *a;
5428 if (S_GET_SEGMENT (sym) != absolute_section)
5431 csect = symbol_create (".abs[XO]", absolute_section,
5432 S_GET_VALUE (sym), &zero_address_frag);
5433 symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym);
5434 S_SET_STORAGE_CLASS (csect, C_HIDEXT);
5435 i = S_GET_NUMBER_AUXILIARY (csect);
5436 S_SET_NUMBER_AUXILIARY (csect, i + 1);
5437 a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent;
5438 a->x_csect.x_scnlen.l = 0;
5439 a->x_csect.x_smtyp = XTY_SD;
5440 a->x_csect.x_parmhash = 0;
5441 a->x_csect.x_snhash = 0;
5442 a->x_csect.x_smclas = XMC_XO;
5443 a->x_csect.x_stab = 0;
5444 a->x_csect.x_snstab = 0;
5446 symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
5448 i = S_GET_NUMBER_AUXILIARY (sym);
5449 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent;
5450 a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native;
5451 coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1;
5454 ppc_saw_abs = FALSE;
5457 /* Set the VMA for a section. This is called on all the sections in
5461 ppc_frob_section (asection *sec)
5463 static bfd_vma vma = 0;
5465 vma = md_section_align (sec, vma);
5466 bfd_set_section_vma (stdoutput, sec, vma);
5467 vma += bfd_section_size (stdoutput, sec);
5470 #endif /* OBJ_XCOFF */
5473 md_atof (int type, char *litp, int *sizep)
5475 return ieee_md_atof (type, litp, sizep, target_big_endian);
5478 /* Write a value out to the object file, using the appropriate
5482 md_number_to_chars (char *buf, valueT val, int n)
5484 if (target_big_endian)
5485 number_to_chars_bigendian (buf, val, n);
5487 number_to_chars_littleendian (buf, val, n);
5490 /* Align a section (I don't know why this is machine dependent). */
5493 md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr)
5498 int align = bfd_get_section_alignment (stdoutput, seg);
5500 return ((addr + (1 << align) - 1) & (-1 << align));
5504 /* We don't have any form of relaxing. */
5507 md_estimate_size_before_relax (fragS *fragp ATTRIBUTE_UNUSED,
5508 asection *seg ATTRIBUTE_UNUSED)
5514 /* Convert a machine dependent frag. We never generate these. */
5517 md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
5518 asection *sec ATTRIBUTE_UNUSED,
5519 fragS *fragp ATTRIBUTE_UNUSED)
5524 /* We have no need to default values of symbols. */
5527 md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
5532 /* Functions concerning relocs. */
5534 /* The location from which a PC relative jump should be calculated,
5535 given a PC relative reloc. */
5538 md_pcrel_from_section (fixS *fixp, segT sec ATTRIBUTE_UNUSED)
5540 return fixp->fx_frag->fr_address + fixp->fx_where;
5545 /* This is called to see whether a fixup should be adjusted to use a
5546 section symbol. We take the opportunity to change a fixup against
5547 a symbol in the TOC subsegment into a reloc against the
5548 corresponding .tc symbol. */
5551 ppc_fix_adjustable (fixS *fix)
5553 valueT val = resolve_symbol_value (fix->fx_addsy);
5554 segT symseg = S_GET_SEGMENT (fix->fx_addsy);
5555 TC_SYMFIELD_TYPE *tc;
5557 if (symseg == absolute_section)
5560 if (ppc_toc_csect != (symbolS *) NULL
5561 && fix->fx_addsy != ppc_toc_csect
5562 && symseg == data_section
5563 && val >= ppc_toc_frag->fr_address
5564 && (ppc_after_toc_frag == (fragS *) NULL
5565 || val < ppc_after_toc_frag->fr_address))
5569 for (sy = symbol_next (ppc_toc_csect);
5570 sy != (symbolS *) NULL;
5571 sy = symbol_next (sy))
5573 TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy);
5575 if (sy_tc->symbol_class == XMC_TC0)
5577 if (sy_tc->symbol_class != XMC_TC)
5579 if (val == resolve_symbol_value (sy))
5582 fix->fx_addnumber = val - ppc_toc_frag->fr_address;
5587 as_bad_where (fix->fx_file, fix->fx_line,
5588 _("symbol in .toc does not match any .tc"));
5591 /* Possibly adjust the reloc to be against the csect. */
5592 tc = symbol_get_tc (fix->fx_addsy);
5594 && tc->symbol_class != XMC_TC0
5595 && tc->symbol_class != XMC_TC
5596 && symseg != bss_section
5597 /* Don't adjust if this is a reloc in the toc section. */
5598 && (symseg != data_section
5599 || ppc_toc_csect == NULL
5600 || val < ppc_toc_frag->fr_address
5601 || (ppc_after_toc_frag != NULL
5602 && val >= ppc_after_toc_frag->fr_address)))
5605 symbolS *next_csect;
5607 if (symseg == text_section)
5608 csect = ppc_text_csects;
5609 else if (symseg == data_section)
5610 csect = ppc_data_csects;
5614 /* Skip the initial dummy symbol. */
5615 csect = symbol_get_tc (csect)->next;
5617 if (csect != (symbolS *) NULL)
5619 while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL
5620 && (symbol_get_frag (next_csect)->fr_address <= val))
5622 /* If the csect address equals the symbol value, then we
5623 have to look through the full symbol table to see
5624 whether this is the csect we want. Note that we will
5625 only get here if the csect has zero length. */
5626 if (symbol_get_frag (csect)->fr_address == val
5627 && S_GET_VALUE (csect) == val)
5631 for (scan = symbol_next (csect);
5633 scan = symbol_next (scan))
5635 if (symbol_get_tc (scan)->subseg != 0)
5637 if (scan == fix->fx_addsy)
5641 /* If we found the symbol before the next csect
5642 symbol, then this is the csect we want. */
5643 if (scan == fix->fx_addsy)
5650 fix->fx_offset += val - symbol_get_frag (csect)->fr_address;
5651 fix->fx_addsy = csect;
5656 /* Adjust a reloc against a .lcomm symbol to be against the base
5658 if (symseg == bss_section
5659 && ! S_IS_EXTERNAL (fix->fx_addsy))
5661 symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
5663 fix->fx_offset += val - resolve_symbol_value (sy);
5670 /* A reloc from one csect to another must be kept. The assembler
5671 will, of course, keep relocs between sections, and it will keep
5672 absolute relocs, but we need to force it to keep PC relative relocs
5673 between two csects in the same section. */
5676 ppc_force_relocation (fixS *fix)
5678 /* At this point fix->fx_addsy should already have been converted to
5679 a csect symbol. If the csect does not include the fragment, then
5680 we need to force the relocation. */
5682 && fix->fx_addsy != NULL
5683 && symbol_get_tc (fix->fx_addsy)->subseg != 0
5684 && ((symbol_get_frag (fix->fx_addsy)->fr_address
5685 > fix->fx_frag->fr_address)
5686 || (symbol_get_tc (fix->fx_addsy)->next != NULL
5687 && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address
5688 <= fix->fx_frag->fr_address))))
5691 return generic_force_reloc (fix);
5694 #endif /* OBJ_XCOFF */
5697 /* If this function returns non-zero, it guarantees that a relocation
5698 will be emitted for a fixup. */
5701 ppc_force_relocation (fixS *fix)
5703 /* Branch prediction relocations must force a relocation, as must
5704 the vtable description relocs. */
5705 switch (fix->fx_r_type)
5707 case BFD_RELOC_PPC_B16_BRTAKEN:
5708 case BFD_RELOC_PPC_B16_BRNTAKEN:
5709 case BFD_RELOC_PPC_BA16_BRTAKEN:
5710 case BFD_RELOC_PPC_BA16_BRNTAKEN:
5711 case BFD_RELOC_24_PLT_PCREL:
5712 case BFD_RELOC_PPC64_TOC:
5718 if (fix->fx_r_type >= BFD_RELOC_PPC_TLS
5719 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
5722 return generic_force_reloc (fix);
5726 ppc_fix_adjustable (fixS *fix)
5728 return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
5729 && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
5730 && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF
5731 && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
5732 && fix->fx_r_type != BFD_RELOC_GPREL16
5733 && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
5734 && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
5735 && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS
5736 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA));
5740 /* Implement HANDLE_ALIGN. This writes the NOP pattern into an
5741 rs_align_code frag. */
5744 ppc_handle_align (struct frag *fragP)
5746 valueT count = (fragP->fr_next->fr_address
5747 - (fragP->fr_address + fragP->fr_fix));
5749 if (count != 0 && (count & 3) == 0)
5751 char *dest = fragP->fr_literal + fragP->fr_fix;
5754 md_number_to_chars (dest, 0x60000000, 4);
5756 if ((ppc_cpu & PPC_OPCODE_POWER6) != 0
5757 || (ppc_cpu & PPC_OPCODE_POWER7) != 0)
5759 /* For power6 and power7, we want the last nop to be a group
5760 terminating one. Do this by inserting an rs_fill frag immediately
5761 after this one, with its address set to the last nop location.
5762 This will automatically reduce the number of nops in the current
5766 struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4);
5768 memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG);
5769 group_nop->fr_address = group_nop->fr_next->fr_address - 4;
5770 group_nop->fr_fix = 0;
5771 group_nop->fr_offset = 1;
5772 group_nop->fr_type = rs_fill;
5773 fragP->fr_next = group_nop;
5774 dest = group_nop->fr_literal;
5777 if ((ppc_cpu & PPC_OPCODE_POWER7) != 0)
5778 /* power7 group terminating nop: "ori 2,2,0". */
5779 md_number_to_chars (dest, 0x60420000, 4);
5781 /* power6 group terminating nop: "ori 1,1,0". */
5782 md_number_to_chars (dest, 0x60210000, 4);
5787 /* Apply a fixup to the object code. This is called for all the
5788 fixups we generated by the call to fix_new_exp, above. In the call
5789 above we used a reloc code which was the largest legal reloc code
5790 plus the operand index. Here we undo that to recover the operand
5791 index. At this point all symbol values should be fully resolved,
5792 and we attempt to completely resolve the reloc. If we can not do
5793 that, we determine the correct reloc code and put it back in the
5797 md_apply_fix (fixS *fixP, valueT *valP, segT seg ATTRIBUTE_UNUSED)
5799 valueT value = * valP;
5802 if (fixP->fx_addsy != NULL)
5804 /* Hack around bfd_install_relocation brain damage. */
5806 value += fixP->fx_frag->fr_address + fixP->fx_where;
5811 /* FIXME FIXME FIXME: The value we are passed in *valP includes
5812 the symbol values. If we are doing this relocation the code in
5813 write.c is going to call bfd_install_relocation, which is also
5814 going to use the symbol value. That means that if the reloc is
5815 fully resolved we want to use *valP since bfd_install_relocation is
5817 However, if the reloc is not fully resolved we do not want to
5818 use *valP, and must use fx_offset instead. If the relocation
5819 is PC-relative, we then need to re-apply md_pcrel_from_section
5820 to this new relocation value. */
5821 if (fixP->fx_addsy == (symbolS *) NULL)
5826 value = fixP->fx_offset;
5828 value -= md_pcrel_from_section (fixP, seg);
5832 if (fixP->fx_subsy != (symbolS *) NULL)
5834 /* We can't actually support subtracting a symbol. */
5835 as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
5838 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
5841 const struct powerpc_operand *operand;
5845 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
5847 operand = &powerpc_operands[opindex];
5850 /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
5851 does not generate a reloc. It uses the offset of `sym' within its
5852 csect. Other usages, such as `.long sym', generate relocs. This
5853 is the documented behaviour of non-TOC symbols. */
5854 if ((operand->flags & PPC_OPERAND_PARENS) != 0
5855 && (operand->bitm & 0xfff0) == 0xfff0
5856 && operand->shift == 0
5857 && (operand->insert == NULL || ppc_obj64)
5858 && fixP->fx_addsy != NULL
5859 && symbol_get_tc (fixP->fx_addsy)->subseg != 0
5860 && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC
5861 && symbol_get_tc (fixP->fx_addsy)->symbol_class != XMC_TC0
5862 && S_GET_SEGMENT (fixP->fx_addsy) != bss_section)
5864 value = fixP->fx_offset;
5869 /* Fetch the instruction, insert the fully resolved operand
5870 value, and stuff the instruction back again. */
5871 where = fixP->fx_frag->fr_literal + fixP->fx_where;
5872 if (target_big_endian)
5873 insn = bfd_getb32 ((unsigned char *) where);
5875 insn = bfd_getl32 ((unsigned char *) where);
5876 insn = ppc_insert_operand (insn, operand, (offsetT) value,
5877 fixP->tc_fix_data.ppc_cpu,
5878 fixP->fx_file, fixP->fx_line);
5879 if (target_big_endian)
5880 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5882 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5885 /* Nothing else to do here. */
5888 gas_assert (fixP->fx_addsy != NULL);
5890 /* Determine a BFD reloc value based on the operand information.
5891 We are only prepared to turn a few of the operands into
5893 if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5894 && operand->bitm == 0x3fffffc
5895 && operand->shift == 0)
5896 fixP->fx_r_type = BFD_RELOC_PPC_B26;
5897 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5898 && operand->bitm == 0xfffc
5899 && operand->shift == 0)
5901 fixP->fx_r_type = BFD_RELOC_PPC_B16;
5904 if (target_big_endian)
5905 fixP->fx_where += 2;
5908 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5909 && operand->bitm == 0x3fffffc
5910 && operand->shift == 0)
5911 fixP->fx_r_type = BFD_RELOC_PPC_BA26;
5912 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5913 && operand->bitm == 0xfffc
5914 && operand->shift == 0)
5916 fixP->fx_r_type = BFD_RELOC_PPC_BA16;
5919 if (target_big_endian)
5920 fixP->fx_where += 2;
5923 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
5924 else if ((operand->flags & PPC_OPERAND_PARENS) != 0
5925 && (operand->bitm & 0xfff0) == 0xfff0
5926 && operand->shift == 0)
5928 if (ppc_is_toc_sym (fixP->fx_addsy))
5930 fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
5933 && (operand->flags & PPC_OPERAND_DS) != 0)
5934 fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
5939 fixP->fx_r_type = BFD_RELOC_16;
5942 && (operand->flags & PPC_OPERAND_DS) != 0)
5943 fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS;
5947 if (target_big_endian)
5948 fixP->fx_where += 2;
5950 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
5956 /* Use expr_symbol_where to see if this is an expression
5958 if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
5959 as_bad_where (fixP->fx_file, fixP->fx_line,
5960 _("unresolved expression that must be resolved"));
5962 as_bad_where (fixP->fx_file, fixP->fx_line,
5963 _("unsupported relocation against %s"),
5964 S_GET_NAME (fixP->fx_addsy));
5972 ppc_elf_validate_fix (fixP, seg);
5974 switch (fixP->fx_r_type)
5976 case BFD_RELOC_CTOR:
5983 fixP->fx_r_type = BFD_RELOC_32_PCREL;
5987 case BFD_RELOC_32_PCREL:
5988 case BFD_RELOC_PPC_EMB_NADDR32:
5989 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5996 fixP->fx_r_type = BFD_RELOC_64_PCREL;
5999 case BFD_RELOC_64_PCREL:
6000 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6004 case BFD_RELOC_GPREL16:
6005 case BFD_RELOC_16_GOT_PCREL:
6006 case BFD_RELOC_16_GOTOFF:
6007 case BFD_RELOC_LO16_GOTOFF:
6008 case BFD_RELOC_HI16_GOTOFF:
6009 case BFD_RELOC_HI16_S_GOTOFF:
6010 case BFD_RELOC_16_BASEREL:
6011 case BFD_RELOC_LO16_BASEREL:
6012 case BFD_RELOC_HI16_BASEREL:
6013 case BFD_RELOC_HI16_S_BASEREL:
6014 case BFD_RELOC_PPC_EMB_NADDR16:
6015 case BFD_RELOC_PPC_EMB_NADDR16_LO:
6016 case BFD_RELOC_PPC_EMB_NADDR16_HI:
6017 case BFD_RELOC_PPC_EMB_NADDR16_HA:
6018 case BFD_RELOC_PPC_EMB_SDAI16:
6019 case BFD_RELOC_PPC_EMB_SDA2REL:
6020 case BFD_RELOC_PPC_EMB_SDA2I16:
6021 case BFD_RELOC_PPC_EMB_RELSEC16:
6022 case BFD_RELOC_PPC_EMB_RELST_LO:
6023 case BFD_RELOC_PPC_EMB_RELST_HI:
6024 case BFD_RELOC_PPC_EMB_RELST_HA:
6025 case BFD_RELOC_PPC_EMB_RELSDA:
6026 case BFD_RELOC_PPC_TOC16:
6028 case BFD_RELOC_PPC64_TOC16_LO:
6029 case BFD_RELOC_PPC64_TOC16_HI:
6030 case BFD_RELOC_PPC64_TOC16_HA:
6034 if (fixP->fx_addsy != NULL)
6035 as_bad_where (fixP->fx_file, fixP->fx_line,
6036 _("cannot emit PC relative %s relocation against %s"),
6037 bfd_get_reloc_code_name (fixP->fx_r_type),
6038 S_GET_NAME (fixP->fx_addsy));
6040 as_bad_where (fixP->fx_file, fixP->fx_line,
6041 _("cannot emit PC relative %s relocation"),
6042 bfd_get_reloc_code_name (fixP->fx_r_type));
6045 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6051 fixP->fx_r_type = BFD_RELOC_16_PCREL;
6054 case BFD_RELOC_16_PCREL:
6055 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6059 case BFD_RELOC_LO16:
6061 fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
6064 case BFD_RELOC_LO16_PCREL:
6065 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6069 /* This case happens when you write, for example,
6071 where L1 and L2 are defined later. */
6072 case BFD_RELOC_HI16:
6074 fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
6077 case BFD_RELOC_HI16_PCREL:
6078 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6082 case BFD_RELOC_HI16_S:
6084 fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
6087 case BFD_RELOC_HI16_S_PCREL:
6088 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6093 case BFD_RELOC_NONE:
6098 case BFD_RELOC_PPC64_HIGHER:
6101 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6102 PPC_HIGHER (value), 2);
6105 case BFD_RELOC_PPC64_HIGHER_S:
6108 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6109 PPC_HIGHERA (value), 2);
6112 case BFD_RELOC_PPC64_HIGHEST:
6115 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6116 PPC_HIGHEST (value), 2);
6119 case BFD_RELOC_PPC64_HIGHEST_S:
6122 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6123 PPC_HIGHESTA (value), 2);
6126 case BFD_RELOC_PPC64_ADDR16_DS:
6127 case BFD_RELOC_PPC64_ADDR16_LO_DS:
6128 case BFD_RELOC_PPC64_GOT16_DS:
6129 case BFD_RELOC_PPC64_GOT16_LO_DS:
6130 case BFD_RELOC_PPC64_PLT16_LO_DS:
6131 case BFD_RELOC_PPC64_SECTOFF_DS:
6132 case BFD_RELOC_PPC64_SECTOFF_LO_DS:
6133 case BFD_RELOC_PPC64_TOC16_DS:
6134 case BFD_RELOC_PPC64_TOC16_LO_DS:
6135 case BFD_RELOC_PPC64_PLTGOT16_DS:
6136 case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
6140 char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
6141 unsigned long val, mask;
6143 if (target_big_endian)
6144 val = bfd_getb32 (where - 2);
6146 val = bfd_getl32 (where);
6148 /* lq insns reserve the four lsbs. */
6149 if ((ppc_cpu & PPC_OPCODE_POWER4) != 0
6150 && (val & (0x3f << 26)) == (56u << 26))
6152 val |= value & mask;
6153 if (target_big_endian)
6154 bfd_putb16 ((bfd_vma) val, where);
6156 bfd_putl16 ((bfd_vma) val, where);
6160 case BFD_RELOC_PPC_B16_BRTAKEN:
6161 case BFD_RELOC_PPC_B16_BRNTAKEN:
6162 case BFD_RELOC_PPC_BA16_BRTAKEN:
6163 case BFD_RELOC_PPC_BA16_BRNTAKEN:
6166 case BFD_RELOC_PPC_TLS:
6167 case BFD_RELOC_PPC_TLSGD:
6168 case BFD_RELOC_PPC_TLSLD:
6171 case BFD_RELOC_PPC_DTPMOD:
6172 case BFD_RELOC_PPC_TPREL16:
6173 case BFD_RELOC_PPC_TPREL16_LO:
6174 case BFD_RELOC_PPC_TPREL16_HI:
6175 case BFD_RELOC_PPC_TPREL16_HA:
6176 case BFD_RELOC_PPC_TPREL:
6177 case BFD_RELOC_PPC_DTPREL16:
6178 case BFD_RELOC_PPC_DTPREL16_LO:
6179 case BFD_RELOC_PPC_DTPREL16_HI:
6180 case BFD_RELOC_PPC_DTPREL16_HA:
6181 case BFD_RELOC_PPC_DTPREL:
6182 case BFD_RELOC_PPC_GOT_TLSGD16:
6183 case BFD_RELOC_PPC_GOT_TLSGD16_LO:
6184 case BFD_RELOC_PPC_GOT_TLSGD16_HI:
6185 case BFD_RELOC_PPC_GOT_TLSGD16_HA:
6186 case BFD_RELOC_PPC_GOT_TLSLD16:
6187 case BFD_RELOC_PPC_GOT_TLSLD16_LO:
6188 case BFD_RELOC_PPC_GOT_TLSLD16_HI:
6189 case BFD_RELOC_PPC_GOT_TLSLD16_HA:
6190 case BFD_RELOC_PPC_GOT_TPREL16:
6191 case BFD_RELOC_PPC_GOT_TPREL16_LO:
6192 case BFD_RELOC_PPC_GOT_TPREL16_HI:
6193 case BFD_RELOC_PPC_GOT_TPREL16_HA:
6194 case BFD_RELOC_PPC_GOT_DTPREL16:
6195 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
6196 case BFD_RELOC_PPC_GOT_DTPREL16_HI:
6197 case BFD_RELOC_PPC_GOT_DTPREL16_HA:
6198 case BFD_RELOC_PPC64_TPREL16_DS:
6199 case BFD_RELOC_PPC64_TPREL16_LO_DS:
6200 case BFD_RELOC_PPC64_TPREL16_HIGHER:
6201 case BFD_RELOC_PPC64_TPREL16_HIGHERA:
6202 case BFD_RELOC_PPC64_TPREL16_HIGHEST:
6203 case BFD_RELOC_PPC64_TPREL16_HIGHESTA:
6204 case BFD_RELOC_PPC64_DTPREL16_DS:
6205 case BFD_RELOC_PPC64_DTPREL16_LO_DS:
6206 case BFD_RELOC_PPC64_DTPREL16_HIGHER:
6207 case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
6208 case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
6209 case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
6210 S_SET_THREAD_LOCAL (fixP->fx_addsy);
6213 /* Because SDA21 modifies the register field, the size is set to 4
6214 bytes, rather than 2, so offset it here appropriately. */
6215 case BFD_RELOC_PPC_EMB_SDA21:
6219 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
6220 + ((target_big_endian) ? 2 : 0),
6227 /* This can occur if there is a bug in the input assembler, eg:
6228 ".byte <undefined_symbol> - ." */
6230 as_bad (_("Unable to handle reference to symbol %s"),
6231 S_GET_NAME (fixP->fx_addsy));
6233 as_bad (_("Unable to resolve expression"));
6237 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6241 case BFD_RELOC_24_PLT_PCREL:
6242 case BFD_RELOC_PPC_LOCAL24PC:
6243 if (!fixP->fx_pcrel && !fixP->fx_done)
6251 /* Fetch the instruction, insert the fully resolved operand
6252 value, and stuff the instruction back again. */
6253 where = fixP->fx_frag->fr_literal + fixP->fx_where;
6254 if (target_big_endian)
6255 insn = bfd_getb32 ((unsigned char *) where);
6257 insn = bfd_getl32 ((unsigned char *) where);
6258 if ((value & 3) != 0)
6259 as_bad_where (fixP->fx_file, fixP->fx_line,
6260 _("must branch to an address a multiple of 4"));
6261 if ((offsetT) value < -0x40000000
6262 || (offsetT) value >= 0x40000000)
6263 as_bad_where (fixP->fx_file, fixP->fx_line,
6264 _("@local or @plt branch destination is too far away, %ld bytes"),
6266 insn = insn | (value & 0x03fffffc);
6267 if (target_big_endian)
6268 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
6270 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
6274 case BFD_RELOC_VTABLE_INHERIT:
6277 && !S_IS_DEFINED (fixP->fx_addsy)
6278 && !S_IS_WEAK (fixP->fx_addsy))
6279 S_SET_WEAK (fixP->fx_addsy);
6282 case BFD_RELOC_VTABLE_ENTRY:
6287 /* Generated by reference to `sym@tocbase'. The sym is
6288 ignored by the linker. */
6289 case BFD_RELOC_PPC64_TOC:
6295 _("Gas failure, reloc value %d\n"), fixP->fx_r_type);
6302 fixP->fx_addnumber = value;
6304 /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately
6305 from the section contents. If we are going to be emitting a reloc
6306 then the section contents are immaterial, so don't warn if they
6307 happen to overflow. Leave such warnings to ld. */
6309 fixP->fx_no_overflow = 1;
6311 if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
6312 fixP->fx_addnumber = 0;
6316 fixP->fx_addnumber = 0;
6318 /* We want to use the offset within the toc, not the actual VMA
6320 fixP->fx_addnumber =
6321 - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy))
6322 - S_GET_VALUE (ppc_toc_csect);
6328 /* Generate a reloc for a fixup. */
6331 tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
6335 reloc = (arelent *) xmalloc (sizeof (arelent));
6337 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
6338 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
6339 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
6340 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
6341 if (reloc->howto == (reloc_howto_type *) NULL)
6343 as_bad_where (fixp->fx_file, fixp->fx_line,
6344 _("reloc %d not supported by object file format"),
6345 (int) fixp->fx_r_type);
6348 reloc->addend = fixp->fx_addnumber;
6354 ppc_cfi_frame_initial_instructions (void)
6356 cfi_add_CFA_def_cfa (1, 0);
6360 tc_ppc_regname_to_dw2regnum (char *regname)
6362 unsigned int regnum = -1;
6366 static struct { char *name; int dw2regnum; } regnames[] =
6368 { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
6369 { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
6370 { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
6371 { "spe_acc", 111 }, { "spefscr", 112 }
6374 for (i = 0; i < ARRAY_SIZE (regnames); ++i)
6375 if (strcmp (regnames[i].name, regname) == 0)
6376 return regnames[i].dw2regnum;
6378 if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v')
6380 p = regname + 1 + (regname[1] == '.');
6381 regnum = strtoul (p, &q, 10);
6382 if (p == q || *q || regnum >= 32)
6384 if (regname[0] == 'f')
6386 else if (regname[0] == 'v')
6389 else if (regname[0] == 'c' && regname[1] == 'r')
6391 p = regname + 2 + (regname[2] == '.');
6392 if (p[0] < '0' || p[0] > '7' || p[1])
6394 regnum = p[0] - '0' + 68;