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 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 2, 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 bfd_boolean register_name PARAMS ((expressionS *));
88 static void ppc_set_cpu PARAMS ((void));
89 static unsigned long ppc_insert_operand
90 PARAMS ((unsigned long insn, const struct powerpc_operand *operand,
91 offsetT val, char *file, unsigned int line));
92 static void ppc_macro PARAMS ((char *str, const struct powerpc_macro *macro));
93 static void ppc_byte PARAMS ((int));
95 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
96 static int ppc_is_toc_sym PARAMS ((symbolS *sym));
97 static void ppc_tc PARAMS ((int));
98 static void ppc_machine PARAMS ((int));
102 static void ppc_comm PARAMS ((int));
103 static void ppc_bb PARAMS ((int));
104 static void ppc_bc PARAMS ((int));
105 static void ppc_bf PARAMS ((int));
106 static void ppc_biei PARAMS ((int));
107 static void ppc_bs PARAMS ((int));
108 static void ppc_eb PARAMS ((int));
109 static void ppc_ec PARAMS ((int));
110 static void ppc_ef PARAMS ((int));
111 static void ppc_es PARAMS ((int));
112 static void ppc_csect PARAMS ((int));
113 static void ppc_change_csect PARAMS ((symbolS *, offsetT));
114 static void ppc_function PARAMS ((int));
115 static void ppc_extern PARAMS ((int));
116 static void ppc_lglobl PARAMS ((int));
117 static void ppc_section PARAMS ((int));
118 static void ppc_named_section PARAMS ((int));
119 static void ppc_stabx PARAMS ((int));
120 static void ppc_rename PARAMS ((int));
121 static void ppc_toc PARAMS ((int));
122 static void ppc_xcoff_cons PARAMS ((int));
123 static void ppc_vbyte PARAMS ((int));
127 static bfd_reloc_code_real_type ppc_elf_suffix PARAMS ((char **, expressionS *));
128 static void ppc_elf_cons PARAMS ((int));
129 static void ppc_elf_rdata PARAMS ((int));
130 static void ppc_elf_lcomm PARAMS ((int));
131 static void ppc_elf_validate_fix PARAMS ((fixS *, segT));
132 static void ppc_apuinfo_section_add PARAMS ((unsigned int apu, unsigned int version));
136 static void ppc_set_current_section PARAMS ((segT));
137 static void ppc_previous PARAMS ((int));
138 static void ppc_pdata PARAMS ((int));
139 static void ppc_ydata PARAMS ((int));
140 static void ppc_reldata PARAMS ((int));
141 static void ppc_rdata PARAMS ((int));
142 static void ppc_ualong PARAMS ((int));
143 static void ppc_znop PARAMS ((int));
144 static void ppc_pe_comm PARAMS ((int));
145 static void ppc_pe_section PARAMS ((int));
146 static void ppc_pe_function PARAMS ((int));
147 static void ppc_pe_tocd PARAMS ((int));
150 /* Generic assembler global variables which must be defined by all
154 /* This string holds the chars that always start a comment. If the
155 pre-processor is disabled, these aren't very useful. The macro
156 tc_comment_chars points to this. We use this, rather than the
157 usual comment_chars, so that we can switch for Solaris conventions. */
158 static const char ppc_solaris_comment_chars[] = "#!";
159 static const char ppc_eabi_comment_chars[] = "#";
161 #ifdef TARGET_SOLARIS_COMMENT
162 const char *ppc_comment_chars = ppc_solaris_comment_chars;
164 const char *ppc_comment_chars = ppc_eabi_comment_chars;
167 const char comment_chars[] = "#";
170 /* Characters which start a comment at the beginning of a line. */
171 const char line_comment_chars[] = "#";
173 /* Characters which may be used to separate multiple commands on a
175 const char line_separator_chars[] = ";";
177 /* Characters which are used to indicate an exponent in a floating
179 const char EXP_CHARS[] = "eE";
181 /* Characters which mean that a number is a floating point constant,
183 const char FLT_CHARS[] = "dD";
185 /* Anything that can start an operand needs to be mentioned here,
186 to stop the input scrubber eating whitespace. */
187 const char ppc_symbol_chars[] = "%[";
189 /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
190 int ppc_cie_data_alignment;
192 /* The target specific pseudo-ops which we support. */
194 const pseudo_typeS md_pseudo_table[] =
196 /* Pseudo-ops which must be overridden. */
197 { "byte", ppc_byte, 0 },
200 /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
201 legitimately belong in the obj-*.c file. However, XCOFF is based
202 on COFF, and is only implemented for the RS/6000. We just use
203 obj-coff.c, and add what we need here. */
204 { "comm", ppc_comm, 0 },
205 { "lcomm", ppc_comm, 1 },
209 { "bi", ppc_biei, 0 },
211 { "csect", ppc_csect, 0 },
212 { "data", ppc_section, 'd' },
216 { "ei", ppc_biei, 1 },
218 { "extern", ppc_extern, 0 },
219 { "function", ppc_function, 0 },
220 { "lglobl", ppc_lglobl, 0 },
221 { "rename", ppc_rename, 0 },
222 { "section", ppc_named_section, 0 },
223 { "stabx", ppc_stabx, 0 },
224 { "text", ppc_section, 't' },
225 { "toc", ppc_toc, 0 },
226 { "long", ppc_xcoff_cons, 2 },
227 { "llong", ppc_xcoff_cons, 3 },
228 { "word", ppc_xcoff_cons, 1 },
229 { "short", ppc_xcoff_cons, 1 },
230 { "vbyte", ppc_vbyte, 0 },
234 { "llong", ppc_elf_cons, 8 },
235 { "quad", ppc_elf_cons, 8 },
236 { "long", ppc_elf_cons, 4 },
237 { "word", ppc_elf_cons, 2 },
238 { "short", ppc_elf_cons, 2 },
239 { "rdata", ppc_elf_rdata, 0 },
240 { "rodata", ppc_elf_rdata, 0 },
241 { "lcomm", ppc_elf_lcomm, 0 },
245 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
246 { "previous", ppc_previous, 0 },
247 { "pdata", ppc_pdata, 0 },
248 { "ydata", ppc_ydata, 0 },
249 { "reldata", ppc_reldata, 0 },
250 { "rdata", ppc_rdata, 0 },
251 { "ualong", ppc_ualong, 0 },
252 { "znop", ppc_znop, 0 },
253 { "comm", ppc_pe_comm, 0 },
254 { "lcomm", ppc_pe_comm, 1 },
255 { "section", ppc_pe_section, 0 },
256 { "function", ppc_pe_function,0 },
257 { "tocd", ppc_pe_tocd, 0 },
260 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
262 { "machine", ppc_machine, 0 },
269 /* Predefined register names if -mregnames (or default for Windows NT).
270 In general, there are lots of them, in an attempt to be compatible
271 with a number of other Windows NT assemblers. */
273 /* Structure to hold information about predefined registers. */
280 /* List of registers that are pre-defined:
282 Each general register has predefined names of the form:
283 1. r<reg_num> which has the value <reg_num>.
284 2. r.<reg_num> which has the value <reg_num>.
286 Each floating point register has predefined names of the form:
287 1. f<reg_num> which has the value <reg_num>.
288 2. f.<reg_num> which has the value <reg_num>.
290 Each vector unit register has predefined names of the form:
291 1. v<reg_num> which has the value <reg_num>.
292 2. v.<reg_num> which has the value <reg_num>.
294 Each condition register has predefined names of the form:
295 1. cr<reg_num> which has the value <reg_num>.
296 2. cr.<reg_num> which has the value <reg_num>.
298 There are individual registers as well:
299 sp or r.sp has the value 1
300 rtoc or r.toc has the value 2
301 fpscr has the value 0
307 dsisr has the value 18
309 sdr1 has the value 25
310 srr0 has the value 26
311 srr1 has the value 27
313 The table is sorted. Suitable for searching by a binary search. */
315 static const struct pd_reg pre_defined_registers[] =
317 { "cr.0", 0 }, /* Condition Registers */
337 { "dar", 19 }, /* Data Access Register */
338 { "dec", 22 }, /* Decrementer */
339 { "dsisr", 18 }, /* Data Storage Interrupt Status Register */
341 { "f.0", 0 }, /* Floating point registers */
409 { "lr", 8 }, /* Link Register */
413 { "r.0", 0 }, /* General Purpose Registers */
446 { "r.sp", 1 }, /* Stack Pointer */
448 { "r.toc", 2 }, /* Pointer to the table of contents */
450 { "r0", 0 }, /* More general purpose registers */
483 { "rtoc", 2 }, /* Table of contents */
485 { "sdr1", 25 }, /* Storage Description Register 1 */
489 { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
490 { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
492 { "v.0", 0 }, /* Vector registers */
562 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
564 /* Given NAME, find the register number associated with that name, return
565 the integer value associated with the given name or -1 on failure. */
567 static int reg_name_search
568 PARAMS ((const struct pd_reg *, int, const char * name));
571 reg_name_search (regs, regcount, name)
572 const struct pd_reg *regs;
576 int middle, low, high;
584 middle = (low + high) / 2;
585 cmp = strcasecmp (name, regs[middle].name);
591 return regs[middle].value;
599 * Summary of register_name.
601 * in: Input_line_pointer points to 1st char of operand.
603 * out: A expressionS.
604 * The operand may have been a register: in this case, X_op == O_register,
605 * X_add_number is set to the register number, and truth is returned.
606 * Input_line_pointer->(next non-blank) char after operand, or is in its
611 register_name (expressionP)
612 expressionS *expressionP;
619 /* Find the spelling of the operand. */
620 start = name = input_line_pointer;
621 if (name[0] == '%' && ISALPHA (name[1]))
622 name = ++input_line_pointer;
624 else if (!reg_names_p || !ISALPHA (name[0]))
627 c = get_symbol_end ();
628 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT, name);
630 /* Put back the delimiting char. */
631 *input_line_pointer = c;
633 /* Look to see if it's in the register table. */
636 expressionP->X_op = O_register;
637 expressionP->X_add_number = reg_number;
639 /* Make the rest nice. */
640 expressionP->X_add_symbol = NULL;
641 expressionP->X_op_symbol = NULL;
645 /* Reset the line as if we had not done anything. */
646 input_line_pointer = start;
650 /* This function is called for each symbol seen in an expression. It
651 handles the special parsing which PowerPC assemblers are supposed
652 to use for condition codes. */
654 /* Whether to do the special parsing. */
655 static bfd_boolean cr_operand;
657 /* Names to recognize in a condition code. This table is sorted. */
658 static const struct pd_reg cr_names[] =
675 /* Parsing function. This returns non-zero if it recognized an
679 ppc_parse_name (name, expr)
688 val = reg_name_search (cr_names, sizeof cr_names / sizeof cr_names[0],
693 expr->X_op = O_constant;
694 expr->X_add_number = val;
699 /* Local variables. */
701 /* The type of processor we are assembling for. This is one or more
702 of the PPC_OPCODE flags defined in opcode/ppc.h. */
703 static unsigned long ppc_cpu = 0;
705 /* Whether to target xcoff64/elf64. */
706 static unsigned int ppc_obj64 = BFD_DEFAULT_TARGET_SIZE == 64;
708 /* Opcode hash table. */
709 static struct hash_control *ppc_hash;
711 /* Macro hash table. */
712 static struct hash_control *ppc_macro_hash;
715 /* What type of shared library support to use. */
716 static enum { SHLIB_NONE, SHLIB_PIC, SHLIB_MRELOCATABLE } shlib = SHLIB_NONE;
718 /* Flags to set in the elf header. */
719 static flagword ppc_flags = 0;
721 /* Whether this is Solaris or not. */
722 #ifdef TARGET_SOLARIS_COMMENT
723 #define SOLARIS_P TRUE
725 #define SOLARIS_P FALSE
728 static bfd_boolean msolaris = SOLARIS_P;
733 /* The RS/6000 assembler uses the .csect pseudo-op to generate code
734 using a bunch of different sections. These assembler sections,
735 however, are all encompassed within the .text or .data sections of
736 the final output file. We handle this by using different
737 subsegments within these main segments. */
739 /* Next subsegment to allocate within the .text segment. */
740 static subsegT ppc_text_subsegment = 2;
742 /* Linked list of csects in the text section. */
743 static symbolS *ppc_text_csects;
745 /* Next subsegment to allocate within the .data segment. */
746 static subsegT ppc_data_subsegment = 2;
748 /* Linked list of csects in the data section. */
749 static symbolS *ppc_data_csects;
751 /* The current csect. */
752 static symbolS *ppc_current_csect;
754 /* The RS/6000 assembler uses a TOC which holds addresses of functions
755 and variables. Symbols are put in the TOC with the .tc pseudo-op.
756 A special relocation is used when accessing TOC entries. We handle
757 the TOC as a subsegment within the .data segment. We set it up if
758 we see a .toc pseudo-op, and save the csect symbol here. */
759 static symbolS *ppc_toc_csect;
761 /* The first frag in the TOC subsegment. */
762 static fragS *ppc_toc_frag;
764 /* The first frag in the first subsegment after the TOC in the .data
765 segment. NULL if there are no subsegments after the TOC. */
766 static fragS *ppc_after_toc_frag;
768 /* The current static block. */
769 static symbolS *ppc_current_block;
771 /* The COFF debugging section; set by md_begin. This is not the
772 .debug section, but is instead the secret BFD section which will
773 cause BFD to set the section number of a symbol to N_DEBUG. */
774 static asection *ppc_coff_debug_section;
776 #endif /* OBJ_XCOFF */
780 /* Various sections that we need for PE coff support. */
781 static segT ydata_section;
782 static segT pdata_section;
783 static segT reldata_section;
784 static segT rdata_section;
785 static segT tocdata_section;
787 /* The current section and the previous section. See ppc_previous. */
788 static segT ppc_previous_section;
789 static segT ppc_current_section;
794 symbolS *GOT_symbol; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
795 #define PPC_APUINFO_ISEL 0x40
796 #define PPC_APUINFO_PMR 0x41
797 #define PPC_APUINFO_RFMCI 0x42
798 #define PPC_APUINFO_CACHELCK 0x43
799 #define PPC_APUINFO_SPE 0x100
800 #define PPC_APUINFO_EFS 0x101
801 #define PPC_APUINFO_BRLOCK 0x102
804 * We keep a list of APUinfo
806 unsigned long *ppc_apuinfo_list;
807 unsigned int ppc_apuinfo_num;
808 unsigned int ppc_apuinfo_num_alloc;
812 const char *const md_shortopts = "b:l:usm:K:VQ:";
814 const char *const md_shortopts = "um:";
816 const struct option md_longopts[] = {
817 {NULL, no_argument, NULL, 0}
819 const size_t md_longopts_size = sizeof (md_longopts);
822 /* Handle -m options that set cpu type, and .machine arg. */
825 parse_cpu (const char *arg)
827 /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
829 if (strcmp (arg, "pwrx") == 0 || strcmp (arg, "pwr2") == 0)
830 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32;
831 /* -mpwr means to assemble for the IBM POWER (RIOS1). */
832 else if (strcmp (arg, "pwr") == 0)
833 ppc_cpu = PPC_OPCODE_POWER | PPC_OPCODE_32;
834 /* -m601 means to assemble for the PowerPC 601, which includes
835 instructions that are holdovers from the Power. */
836 else if (strcmp (arg, "601") == 0)
837 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
838 | PPC_OPCODE_601 | PPC_OPCODE_32);
839 /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the
841 else if (strcmp (arg, "ppc") == 0
842 || strcmp (arg, "ppc32") == 0
843 || strcmp (arg, "603") == 0
844 || strcmp (arg, "604") == 0)
845 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
846 /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */
847 else if (strcmp (arg, "403") == 0
848 || strcmp (arg, "405") == 0)
849 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
850 | PPC_OPCODE_403 | PPC_OPCODE_32);
851 else if (strcmp (arg, "440") == 0)
852 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32
853 | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI);
854 else if (strcmp (arg, "7400") == 0
855 || strcmp (arg, "7410") == 0
856 || strcmp (arg, "7450") == 0
857 || strcmp (arg, "7455") == 0)
858 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
859 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_32);
860 else if (strcmp (arg, "e300") == 0)
861 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32
863 else if (strcmp (arg, "altivec") == 0)
866 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC;
868 ppc_cpu |= PPC_OPCODE_ALTIVEC;
870 else if (strcmp (arg, "e500") == 0 || strcmp (arg, "e500x2") == 0)
872 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
873 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
874 | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
877 else if (strcmp (arg, "spe") == 0)
880 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_SPE | PPC_OPCODE_EFS;
882 ppc_cpu |= PPC_OPCODE_SPE;
884 /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC
886 else if (strcmp (arg, "ppc64") == 0 || strcmp (arg, "620") == 0)
888 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
890 else if (strcmp (arg, "ppc64bridge") == 0)
892 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
893 | PPC_OPCODE_64_BRIDGE | PPC_OPCODE_64);
895 /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */
896 else if (strcmp (arg, "booke") == 0 || strcmp (arg, "booke32") == 0)
898 ppc_cpu = PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32;
900 /* -mbooke64 means enable 64-bit BookE support. */
901 else if (strcmp (arg, "booke64") == 0)
903 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE
904 | PPC_OPCODE_BOOKE64 | PPC_OPCODE_64);
906 else if (strcmp (arg, "power4") == 0)
908 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
909 | PPC_OPCODE_64 | PPC_OPCODE_POWER4);
911 else if (strcmp (arg, "power5") == 0)
913 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
914 | PPC_OPCODE_64 | PPC_OPCODE_POWER4
915 | PPC_OPCODE_POWER5);
917 else if (strcmp (arg, "power6") == 0)
919 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
920 | PPC_OPCODE_64 | PPC_OPCODE_POWER4
921 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6);
923 else if (strcmp (arg, "cell") == 0)
925 ppc_cpu = (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC
926 | PPC_OPCODE_64 | PPC_OPCODE_POWER4
929 /* -mcom means assemble for the common intersection between Power
930 and PowerPC. At present, we just allow the union, rather
931 than the intersection. */
932 else if (strcmp (arg, "com") == 0)
933 ppc_cpu = PPC_OPCODE_COMMON | PPC_OPCODE_32;
934 /* -many means to assemble for any architecture (PWR/PWRX/PPC). */
935 else if (strcmp (arg, "any") == 0)
936 ppc_cpu |= PPC_OPCODE_ANY;
944 md_parse_option (c, arg)
951 /* -u means that any undefined symbols should be treated as
952 external, which is the default for gas anyhow. */
957 /* Solaris as takes -le (presumably for little endian). For completeness
958 sake, recognize -be also. */
959 if (strcmp (arg, "e") == 0)
961 target_big_endian = 0;
962 set_target_endian = 1;
970 if (strcmp (arg, "e") == 0)
972 target_big_endian = 1;
973 set_target_endian = 1;
981 /* Recognize -K PIC. */
982 if (strcmp (arg, "PIC") == 0 || strcmp (arg, "pic") == 0)
985 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
993 /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
995 if (strcmp (arg, "64") == 0)
1000 as_fatal (_("%s unsupported"), "-a64");
1003 else if (strcmp (arg, "32") == 0)
1010 if (parse_cpu (arg))
1013 else if (strcmp (arg, "regnames") == 0)
1016 else if (strcmp (arg, "no-regnames") == 0)
1017 reg_names_p = FALSE;
1020 /* -mrelocatable/-mrelocatable-lib -- warn about initializations
1021 that require relocation. */
1022 else if (strcmp (arg, "relocatable") == 0)
1024 shlib = SHLIB_MRELOCATABLE;
1025 ppc_flags |= EF_PPC_RELOCATABLE;
1028 else if (strcmp (arg, "relocatable-lib") == 0)
1030 shlib = SHLIB_MRELOCATABLE;
1031 ppc_flags |= EF_PPC_RELOCATABLE_LIB;
1034 /* -memb, set embedded bit. */
1035 else if (strcmp (arg, "emb") == 0)
1036 ppc_flags |= EF_PPC_EMB;
1038 /* -mlittle/-mbig set the endianess. */
1039 else if (strcmp (arg, "little") == 0
1040 || strcmp (arg, "little-endian") == 0)
1042 target_big_endian = 0;
1043 set_target_endian = 1;
1046 else if (strcmp (arg, "big") == 0 || strcmp (arg, "big-endian") == 0)
1048 target_big_endian = 1;
1049 set_target_endian = 1;
1052 else if (strcmp (arg, "solaris") == 0)
1055 ppc_comment_chars = ppc_solaris_comment_chars;
1058 else if (strcmp (arg, "no-solaris") == 0)
1061 ppc_comment_chars = ppc_eabi_comment_chars;
1066 as_bad (_("invalid switch -m%s"), arg);
1072 /* -V: SVR4 argument to print version ID. */
1074 print_version_id ();
1077 /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section
1078 should be emitted or not. FIXME: Not implemented. */
1082 /* Solaris takes -s to specify that .stabs go in a .stabs section,
1083 rather than .stabs.excl, which is ignored by the linker.
1084 FIXME: Not implemented. */
1100 md_show_usage (stream)
1103 fprintf (stream, _("\
1105 -a32 generate ELF32/XCOFF32\n\
1106 -a64 generate ELF64/XCOFF64\n\
1108 -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
1109 -mpwr generate code for POWER (RIOS1)\n\
1110 -m601 generate code for PowerPC 601\n\
1111 -mppc, -mppc32, -m603, -m604\n\
1112 generate code for PowerPC 603/604\n\
1113 -m403, -m405 generate code for PowerPC 403/405\n\
1114 -m440 generate code for PowerPC 440\n\
1115 -m7400, -m7410, -m7450, -m7455\n\
1116 generate code For PowerPC 7400/7410/7450/7455\n"));
1117 fprintf (stream, _("\
1118 -mppc64, -m620 generate code for PowerPC 620/625/630\n\
1119 -mppc64bridge generate code for PowerPC 64, including bridge insns\n\
1120 -mbooke64 generate code for 64-bit PowerPC BookE\n\
1121 -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
1122 -mpower4 generate code for Power4 architecture\n\
1123 -mpower5 generate code for Power5 architecture\n\
1124 -mpower6 generate code for Power6 architecture\n\
1125 -mcell generate code for Cell Broadband Engine architecture\n\
1126 -mcom generate code Power/PowerPC common instructions\n\
1127 -many generate code for any architecture (PWR/PWRX/PPC)\n"));
1128 fprintf (stream, _("\
1129 -maltivec generate code for AltiVec\n\
1130 -me300 generate code for PowerPC e300 family\n\
1131 -me500, -me500x2 generate code for Motorola e500 core complex\n\
1132 -mspe generate code for Motorola SPE instructions\n\
1133 -mregnames Allow symbolic names for registers\n\
1134 -mno-regnames Do not allow symbolic names for registers\n"));
1136 fprintf (stream, _("\
1137 -mrelocatable support for GCC's -mrelocatble option\n\
1138 -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
1139 -memb set PPC_EMB bit in ELF flags\n\
1140 -mlittle, -mlittle-endian, -l, -le\n\
1141 generate code for a little endian machine\n\
1142 -mbig, -mbig-endian, -b, -be\n\
1143 generate code for a big endian machine\n\
1144 -msolaris generate code for Solaris\n\
1145 -mno-solaris do not generate code for Solaris\n\
1146 -V print assembler version number\n\
1147 -Qy, -Qn ignored\n"));
1151 /* Set ppc_cpu if it is not already set. */
1156 const char *default_os = TARGET_OS;
1157 const char *default_cpu = TARGET_CPU;
1159 if ((ppc_cpu & ~PPC_OPCODE_ANY) == 0)
1162 ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64;
1163 else if (strncmp (default_os, "aix", 3) == 0
1164 && default_os[3] >= '4' && default_os[3] <= '9')
1165 ppc_cpu |= PPC_OPCODE_COMMON | PPC_OPCODE_32;
1166 else if (strncmp (default_os, "aix3", 4) == 0)
1167 ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
1168 else if (strcmp (default_cpu, "rs6000") == 0)
1169 ppc_cpu |= PPC_OPCODE_POWER | PPC_OPCODE_32;
1170 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1171 ppc_cpu |= PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32;
1173 as_fatal (_("Unknown default cpu = %s, os = %s"),
1174 default_cpu, default_os);
1178 /* Figure out the BFD architecture to use. This function and ppc_mach
1179 are called well before md_begin, when the output file is opened. */
1181 enum bfd_architecture
1184 const char *default_cpu = TARGET_CPU;
1187 if ((ppc_cpu & PPC_OPCODE_PPC) != 0)
1188 return bfd_arch_powerpc;
1189 else if ((ppc_cpu & PPC_OPCODE_POWER) != 0)
1190 return bfd_arch_rs6000;
1191 else if ((ppc_cpu & (PPC_OPCODE_COMMON | PPC_OPCODE_ANY)) != 0)
1193 if (strcmp (default_cpu, "rs6000") == 0)
1194 return bfd_arch_rs6000;
1195 else if (strncmp (default_cpu, "powerpc", 7) == 0)
1196 return bfd_arch_powerpc;
1199 as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
1200 return bfd_arch_unknown;
1207 return bfd_mach_ppc64;
1208 else if (ppc_arch () == bfd_arch_rs6000)
1209 return bfd_mach_rs6k;
1211 return bfd_mach_ppc;
1215 ppc_target_format ()
1219 return target_big_endian ? "pe-powerpc" : "pe-powerpcle";
1221 return "xcoff-powermac";
1224 return (ppc_obj64 ? "aix5coff64-rs6000" : "aixcoff-rs6000");
1226 return (ppc_obj64 ? "aixcoff64-rs6000" : "aixcoff-rs6000");
1232 return "elf32-powerpc-vxworks";
1234 return (target_big_endian
1235 ? (ppc_obj64 ? "elf64-powerpc" : "elf32-powerpc")
1236 : (ppc_obj64 ? "elf64-powerpcle" : "elf32-powerpcle"));
1241 /* Insert opcodes and macros into hash tables. Called at startup and
1245 ppc_setup_opcodes (void)
1247 register const struct powerpc_opcode *op;
1248 const struct powerpc_opcode *op_end;
1249 const struct powerpc_macro *macro;
1250 const struct powerpc_macro *macro_end;
1251 bfd_boolean bad_insn = FALSE;
1253 if (ppc_hash != NULL)
1254 hash_die (ppc_hash);
1255 if (ppc_macro_hash != NULL)
1256 hash_die (ppc_macro_hash);
1258 /* Insert the opcodes into a hash table. */
1259 ppc_hash = hash_new ();
1261 if (ENABLE_CHECKING)
1265 /* Check operand masks. Code here and in the disassembler assumes
1266 all the 1's in the mask are contiguous. */
1267 for (i = 0; i < num_powerpc_operands; ++i)
1269 unsigned long mask = powerpc_operands[i].bitm;
1270 unsigned long right_bit;
1273 right_bit = mask & -mask;
1275 right_bit = mask & -mask;
1276 if (mask != right_bit)
1278 as_bad (_("powerpc_operands[%d].bitm invalid"), i);
1281 for (j = i + 1; j < num_powerpc_operands; ++j)
1282 if (memcmp (&powerpc_operands[i], &powerpc_operands[j],
1283 sizeof (powerpc_operands[0])) == 0)
1285 as_bad (_("powerpc_operands[%d] duplicates powerpc_operands[%d]"),
1292 op_end = powerpc_opcodes + powerpc_num_opcodes;
1293 for (op = powerpc_opcodes; op < op_end; op++)
1295 if (ENABLE_CHECKING)
1297 const unsigned char *o;
1298 unsigned long omask = op->mask;
1300 /* The mask had better not trim off opcode bits. */
1301 if ((op->opcode & omask) != op->opcode)
1303 as_bad (_("mask trims opcode bits for %s"),
1308 /* The operands must not overlap the opcode or each other. */
1309 for (o = op->operands; *o; ++o)
1310 if (*o >= num_powerpc_operands)
1312 as_bad (_("operand index error for %s"),
1318 const struct powerpc_operand *operand = &powerpc_operands[*o];
1319 if (operand->shift >= 0)
1321 unsigned long mask = operand->bitm << operand->shift;
1324 as_bad (_("operand %d overlap in %s"),
1325 (int) (o - op->operands), op->name);
1333 if ((op->flags & ppc_cpu & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) != 0
1334 && ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64)) == 0
1335 || ((op->flags & (PPC_OPCODE_32 | PPC_OPCODE_64))
1336 == (ppc_cpu & (PPC_OPCODE_32 | PPC_OPCODE_64)))
1337 || (ppc_cpu & PPC_OPCODE_64_BRIDGE) != 0)
1338 /* Certain instructions (eg: extsw) do not exist in the
1339 32-bit BookE instruction set, but they do exist in the
1340 64-bit BookE instruction set, and other PPC instruction
1341 sets. Check to see if the opcode has the BOOKE64 flag set.
1342 If it does make sure that the target CPU is not the BookE32. */
1343 && ((op->flags & PPC_OPCODE_BOOKE64) == 0
1344 || (ppc_cpu & PPC_OPCODE_BOOKE64) == PPC_OPCODE_BOOKE64
1345 || (ppc_cpu & PPC_OPCODE_BOOKE) == 0)
1346 && ((op->flags & (PPC_OPCODE_POWER4 | PPC_OPCODE_NOPOWER4)) == 0
1347 || ((op->flags & PPC_OPCODE_POWER4)
1348 == (ppc_cpu & PPC_OPCODE_POWER4)))
1349 && ((op->flags & PPC_OPCODE_POWER5) == 0
1350 || ((op->flags & PPC_OPCODE_POWER5)
1351 == (ppc_cpu & PPC_OPCODE_POWER5)))
1352 && ((op->flags & PPC_OPCODE_POWER6) == 0
1353 || ((op->flags & PPC_OPCODE_POWER6)
1354 == (ppc_cpu & PPC_OPCODE_POWER6))))
1358 retval = hash_insert (ppc_hash, op->name, (PTR) op);
1361 /* Ignore Power duplicates for -m601. */
1362 if ((ppc_cpu & PPC_OPCODE_601) != 0
1363 && (op->flags & PPC_OPCODE_POWER) != 0)
1366 as_bad (_("duplicate instruction %s"),
1373 if ((ppc_cpu & PPC_OPCODE_ANY) != 0)
1374 for (op = powerpc_opcodes; op < op_end; op++)
1375 hash_insert (ppc_hash, op->name, (PTR) op);
1377 /* Insert the macros into a hash table. */
1378 ppc_macro_hash = hash_new ();
1380 macro_end = powerpc_macros + powerpc_num_macros;
1381 for (macro = powerpc_macros; macro < macro_end; macro++)
1383 if ((macro->flags & ppc_cpu) != 0)
1387 retval = hash_insert (ppc_macro_hash, macro->name, (PTR) macro);
1388 if (retval != (const char *) NULL)
1390 as_bad (_("duplicate macro %s"), macro->name);
1400 /* This function is called when the assembler starts up. It is called
1401 after the options have been parsed and the output file has been
1409 ppc_cie_data_alignment = ppc_obj64 ? -8 : -4;
1412 /* Set the ELF flags if desired. */
1413 if (ppc_flags && !msolaris)
1414 bfd_set_private_flags (stdoutput, ppc_flags);
1417 ppc_setup_opcodes ();
1419 /* Tell the main code what the endianness is if it is not overridden
1421 if (!set_target_endian)
1423 set_target_endian = 1;
1424 target_big_endian = PPC_BIG_ENDIAN;
1428 ppc_coff_debug_section = coff_section_from_bfd_index (stdoutput, N_DEBUG);
1430 /* Create dummy symbols to serve as initial csects. This forces the
1431 text csects to precede the data csects. These symbols will not
1433 ppc_text_csects = symbol_make ("dummy\001");
1434 symbol_get_tc (ppc_text_csects)->within = ppc_text_csects;
1435 ppc_data_csects = symbol_make ("dummy\001");
1436 symbol_get_tc (ppc_data_csects)->within = ppc_data_csects;
1441 ppc_current_section = text_section;
1442 ppc_previous_section = 0;
1451 if (ppc_apuinfo_list == NULL)
1454 /* Ok, so write the section info out. We have this layout:
1458 0 8 length of "APUinfo\0"
1459 4 (n*4) number of APU's (4 bytes each)
1462 20 APU#1 first APU's info
1463 24 APU#2 second APU's info
1468 asection *seg = now_seg;
1469 subsegT subseg = now_subseg;
1470 asection *apuinfo_secp = (asection *) NULL;
1473 /* Create the .PPC.EMB.apuinfo section. */
1474 apuinfo_secp = subseg_new (".PPC.EMB.apuinfo", 0);
1475 bfd_set_section_flags (stdoutput,
1477 SEC_HAS_CONTENTS | SEC_READONLY);
1480 md_number_to_chars (p, (valueT) 8, 4);
1483 md_number_to_chars (p, (valueT) ppc_apuinfo_num * 4, 4);
1486 md_number_to_chars (p, (valueT) 2, 4);
1489 strcpy (p, "APUinfo");
1491 for (i = 0; i < ppc_apuinfo_num; i++)
1494 md_number_to_chars (p, (valueT) ppc_apuinfo_list[i], 4);
1497 frag_align (2, 0, 0);
1499 /* We probably can't restore the current segment, for there likely
1502 subseg_set (seg, subseg);
1507 /* Insert an operand value into an instruction. */
1509 static unsigned long
1510 ppc_insert_operand (insn, operand, val, file, line)
1512 const struct powerpc_operand *operand;
1517 long min, max, right;
1520 max = operand->bitm;
1524 if ((operand->flags & PPC_OPERAND_SIGNED) != 0)
1526 if ((operand->flags & PPC_OPERAND_SIGNOPT) == 0)
1527 max = (max >> 1) & -right;
1528 min = ~max & -right;
1532 /* Some people write 32 bit hex constants with the sign
1533 extension done by hand. This shouldn't really be
1534 valid, but, to permit this code to assemble on a 64
1535 bit host, we sign extend the 32 bit value. */
1537 && (val & (offsetT) 0x80000000) != 0
1538 && (val & (offsetT) 0xffffffff) == val)
1546 if ((operand->flags & PPC_OPERAND_PLUS1) != 0)
1552 if ((operand->flags & PPC_OPERAND_NEGATIVE) != 0)
1557 if (test < (offsetT) min
1558 || test > (offsetT) max
1559 || (test & (right - 1)) != 0)
1560 as_bad_value_out_of_range (_("operand"),
1561 test, (offsetT) min, (offsetT) max, file, line);
1563 if (operand->insert)
1568 insn = (*operand->insert) (insn, (long) val, ppc_cpu, &errmsg);
1569 if (errmsg != (const char *) NULL)
1570 as_bad_where (file, line, errmsg);
1573 insn |= ((long) val & operand->bitm) << operand->shift;
1580 /* Parse @got, etc. and return the desired relocation. */
1581 static bfd_reloc_code_real_type
1582 ppc_elf_suffix (str_p, exp_p)
1588 unsigned int length : 8;
1589 unsigned int valid32 : 1;
1590 unsigned int valid64 : 1;
1599 const struct map_bfd *ptr;
1601 #define MAP(str, reloc) { str, sizeof (str) - 1, 1, 1, reloc }
1602 #define MAP32(str, reloc) { str, sizeof (str) - 1, 1, 0, reloc }
1603 #define MAP64(str, reloc) { str, sizeof (str) - 1, 0, 1, reloc }
1605 static const struct map_bfd mapping[] = {
1606 MAP ("l", BFD_RELOC_LO16),
1607 MAP ("h", BFD_RELOC_HI16),
1608 MAP ("ha", BFD_RELOC_HI16_S),
1609 MAP ("brtaken", BFD_RELOC_PPC_B16_BRTAKEN),
1610 MAP ("brntaken", BFD_RELOC_PPC_B16_BRNTAKEN),
1611 MAP ("got", BFD_RELOC_16_GOTOFF),
1612 MAP ("got@l", BFD_RELOC_LO16_GOTOFF),
1613 MAP ("got@h", BFD_RELOC_HI16_GOTOFF),
1614 MAP ("got@ha", BFD_RELOC_HI16_S_GOTOFF),
1615 MAP ("plt@l", BFD_RELOC_LO16_PLTOFF),
1616 MAP ("plt@h", BFD_RELOC_HI16_PLTOFF),
1617 MAP ("plt@ha", BFD_RELOC_HI16_S_PLTOFF),
1618 MAP ("copy", BFD_RELOC_PPC_COPY),
1619 MAP ("globdat", BFD_RELOC_PPC_GLOB_DAT),
1620 MAP ("sectoff", BFD_RELOC_16_BASEREL),
1621 MAP ("sectoff@l", BFD_RELOC_LO16_BASEREL),
1622 MAP ("sectoff@h", BFD_RELOC_HI16_BASEREL),
1623 MAP ("sectoff@ha", BFD_RELOC_HI16_S_BASEREL),
1624 MAP ("tls", BFD_RELOC_PPC_TLS),
1625 MAP ("dtpmod", BFD_RELOC_PPC_DTPMOD),
1626 MAP ("dtprel", BFD_RELOC_PPC_DTPREL),
1627 MAP ("dtprel@l", BFD_RELOC_PPC_DTPREL16_LO),
1628 MAP ("dtprel@h", BFD_RELOC_PPC_DTPREL16_HI),
1629 MAP ("dtprel@ha", BFD_RELOC_PPC_DTPREL16_HA),
1630 MAP ("tprel", BFD_RELOC_PPC_TPREL),
1631 MAP ("tprel@l", BFD_RELOC_PPC_TPREL16_LO),
1632 MAP ("tprel@h", BFD_RELOC_PPC_TPREL16_HI),
1633 MAP ("tprel@ha", BFD_RELOC_PPC_TPREL16_HA),
1634 MAP ("got@tlsgd", BFD_RELOC_PPC_GOT_TLSGD16),
1635 MAP ("got@tlsgd@l", BFD_RELOC_PPC_GOT_TLSGD16_LO),
1636 MAP ("got@tlsgd@h", BFD_RELOC_PPC_GOT_TLSGD16_HI),
1637 MAP ("got@tlsgd@ha", BFD_RELOC_PPC_GOT_TLSGD16_HA),
1638 MAP ("got@tlsld", BFD_RELOC_PPC_GOT_TLSLD16),
1639 MAP ("got@tlsld@l", BFD_RELOC_PPC_GOT_TLSLD16_LO),
1640 MAP ("got@tlsld@h", BFD_RELOC_PPC_GOT_TLSLD16_HI),
1641 MAP ("got@tlsld@ha", BFD_RELOC_PPC_GOT_TLSLD16_HA),
1642 MAP ("got@dtprel", BFD_RELOC_PPC_GOT_DTPREL16),
1643 MAP ("got@dtprel@l", BFD_RELOC_PPC_GOT_DTPREL16_LO),
1644 MAP ("got@dtprel@h", BFD_RELOC_PPC_GOT_DTPREL16_HI),
1645 MAP ("got@dtprel@ha", BFD_RELOC_PPC_GOT_DTPREL16_HA),
1646 MAP ("got@tprel", BFD_RELOC_PPC_GOT_TPREL16),
1647 MAP ("got@tprel@l", BFD_RELOC_PPC_GOT_TPREL16_LO),
1648 MAP ("got@tprel@h", BFD_RELOC_PPC_GOT_TPREL16_HI),
1649 MAP ("got@tprel@ha", BFD_RELOC_PPC_GOT_TPREL16_HA),
1650 MAP32 ("fixup", BFD_RELOC_CTOR),
1651 MAP32 ("plt", BFD_RELOC_24_PLT_PCREL),
1652 MAP32 ("pltrel24", BFD_RELOC_24_PLT_PCREL),
1653 MAP32 ("local24pc", BFD_RELOC_PPC_LOCAL24PC),
1654 MAP32 ("local", BFD_RELOC_PPC_LOCAL24PC),
1655 MAP32 ("pltrel", BFD_RELOC_32_PLT_PCREL),
1656 MAP32 ("sdarel", BFD_RELOC_GPREL16),
1657 MAP32 ("naddr", BFD_RELOC_PPC_EMB_NADDR32),
1658 MAP32 ("naddr16", BFD_RELOC_PPC_EMB_NADDR16),
1659 MAP32 ("naddr@l", BFD_RELOC_PPC_EMB_NADDR16_LO),
1660 MAP32 ("naddr@h", BFD_RELOC_PPC_EMB_NADDR16_HI),
1661 MAP32 ("naddr@ha", BFD_RELOC_PPC_EMB_NADDR16_HA),
1662 MAP32 ("sdai16", BFD_RELOC_PPC_EMB_SDAI16),
1663 MAP32 ("sda2rel", BFD_RELOC_PPC_EMB_SDA2REL),
1664 MAP32 ("sda2i16", BFD_RELOC_PPC_EMB_SDA2I16),
1665 MAP32 ("sda21", BFD_RELOC_PPC_EMB_SDA21),
1666 MAP32 ("mrkref", BFD_RELOC_PPC_EMB_MRKREF),
1667 MAP32 ("relsect", BFD_RELOC_PPC_EMB_RELSEC16),
1668 MAP32 ("relsect@l", BFD_RELOC_PPC_EMB_RELST_LO),
1669 MAP32 ("relsect@h", BFD_RELOC_PPC_EMB_RELST_HI),
1670 MAP32 ("relsect@ha", BFD_RELOC_PPC_EMB_RELST_HA),
1671 MAP32 ("bitfld", BFD_RELOC_PPC_EMB_BIT_FLD),
1672 MAP32 ("relsda", BFD_RELOC_PPC_EMB_RELSDA),
1673 MAP32 ("xgot", BFD_RELOC_PPC_TOC16),
1674 MAP64 ("higher", BFD_RELOC_PPC64_HIGHER),
1675 MAP64 ("highera", BFD_RELOC_PPC64_HIGHER_S),
1676 MAP64 ("highest", BFD_RELOC_PPC64_HIGHEST),
1677 MAP64 ("highesta", BFD_RELOC_PPC64_HIGHEST_S),
1678 MAP64 ("tocbase", BFD_RELOC_PPC64_TOC),
1679 MAP64 ("toc", BFD_RELOC_PPC_TOC16),
1680 MAP64 ("toc@l", BFD_RELOC_PPC64_TOC16_LO),
1681 MAP64 ("toc@h", BFD_RELOC_PPC64_TOC16_HI),
1682 MAP64 ("toc@ha", BFD_RELOC_PPC64_TOC16_HA),
1683 MAP64 ("dtprel@higher", BFD_RELOC_PPC64_DTPREL16_HIGHER),
1684 MAP64 ("dtprel@highera", BFD_RELOC_PPC64_DTPREL16_HIGHERA),
1685 MAP64 ("dtprel@highest", BFD_RELOC_PPC64_DTPREL16_HIGHEST),
1686 MAP64 ("dtprel@highesta", BFD_RELOC_PPC64_DTPREL16_HIGHESTA),
1687 MAP64 ("tprel@higher", BFD_RELOC_PPC64_TPREL16_HIGHER),
1688 MAP64 ("tprel@highera", BFD_RELOC_PPC64_TPREL16_HIGHERA),
1689 MAP64 ("tprel@highest", BFD_RELOC_PPC64_TPREL16_HIGHEST),
1690 MAP64 ("tprel@highesta", BFD_RELOC_PPC64_TPREL16_HIGHESTA),
1691 { (char *) 0, 0, 0, 0, BFD_RELOC_UNUSED }
1695 return BFD_RELOC_UNUSED;
1697 for (ch = *str, str2 = ident;
1698 (str2 < ident + sizeof (ident) - 1
1699 && (ISALNUM (ch) || ch == '@'));
1702 *str2++ = TOLOWER (ch);
1709 for (ptr = &mapping[0]; ptr->length > 0; ptr++)
1710 if (ch == ptr->string[0]
1711 && len == ptr->length
1712 && memcmp (ident, ptr->string, ptr->length) == 0
1713 && (ppc_obj64 ? ptr->valid64 : ptr->valid32))
1715 int reloc = ptr->reloc;
1718 if (exp_p->X_add_number != 0
1719 && (reloc == (int) BFD_RELOC_16_GOTOFF
1720 || reloc == (int) BFD_RELOC_LO16_GOTOFF
1721 || reloc == (int) BFD_RELOC_HI16_GOTOFF
1722 || reloc == (int) BFD_RELOC_HI16_S_GOTOFF))
1723 as_warn (_("identifier+constant@got means identifier@got+constant"));
1725 /* Now check for identifier@suffix+constant. */
1726 if (*str == '-' || *str == '+')
1728 char *orig_line = input_line_pointer;
1729 expressionS new_exp;
1731 input_line_pointer = str;
1732 expression (&new_exp);
1733 if (new_exp.X_op == O_constant)
1735 exp_p->X_add_number += new_exp.X_add_number;
1736 str = input_line_pointer;
1739 if (&input_line_pointer != str_p)
1740 input_line_pointer = orig_line;
1744 if (reloc == (int) BFD_RELOC_PPC64_TOC
1745 && exp_p->X_op == O_symbol
1746 && strcmp (S_GET_NAME (exp_p->X_add_symbol), ".TOC.") == 0)
1748 /* Change the symbol so that the dummy .TOC. symbol can be
1749 omitted from the object file. */
1750 exp_p->X_add_symbol = &abs_symbol;
1753 return (bfd_reloc_code_real_type) reloc;
1756 return BFD_RELOC_UNUSED;
1759 /* Like normal .long/.short/.word, except support @got, etc.
1760 Clobbers input_line_pointer, checks end-of-line. */
1762 ppc_elf_cons (nbytes)
1763 register int nbytes; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */
1766 bfd_reloc_code_real_type reloc;
1768 if (is_it_end_of_statement ())
1770 demand_empty_rest_of_line ();
1777 if (exp.X_op == O_symbol
1778 && *input_line_pointer == '@'
1779 && (reloc = ppc_elf_suffix (&input_line_pointer,
1780 &exp)) != BFD_RELOC_UNUSED)
1782 reloc_howto_type *reloc_howto;
1785 reloc_howto = bfd_reloc_type_lookup (stdoutput, reloc);
1786 size = bfd_get_reloc_size (reloc_howto);
1790 as_bad (_("%s relocations do not fit in %d bytes\n"),
1791 reloc_howto->name, nbytes);
1798 p = frag_more (nbytes);
1800 if (target_big_endian)
1801 offset = nbytes - size;
1802 fix_new_exp (frag_now, p - frag_now->fr_literal + offset, size,
1807 emit_expr (&exp, (unsigned int) nbytes);
1809 while (*input_line_pointer++ == ',');
1811 /* Put terminator back into stream. */
1812 input_line_pointer--;
1813 demand_empty_rest_of_line ();
1816 /* Solaris pseduo op to change to the .rodata section. */
1821 char *save_line = input_line_pointer;
1822 static char section[] = ".rodata\n";
1824 /* Just pretend this is .section .rodata */
1825 input_line_pointer = section;
1826 obj_elf_section (xxx);
1828 input_line_pointer = save_line;
1831 /* Pseudo op to make file scope bss items. */
1834 int xxx ATTRIBUTE_UNUSED;
1836 register char *name;
1840 register symbolS *symbolP;
1847 name = input_line_pointer;
1848 c = get_symbol_end ();
1850 /* just after name is now '\0'. */
1851 p = input_line_pointer;
1854 if (*input_line_pointer != ',')
1856 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
1857 ignore_rest_of_line ();
1861 input_line_pointer++; /* skip ',' */
1862 if ((size = get_absolute_expression ()) < 0)
1864 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size);
1865 ignore_rest_of_line ();
1869 /* The third argument to .lcomm is the alignment. */
1870 if (*input_line_pointer != ',')
1874 ++input_line_pointer;
1875 align = get_absolute_expression ();
1878 as_warn (_("ignoring bad alignment"));
1884 symbolP = symbol_find_or_make (name);
1887 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
1889 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
1890 S_GET_NAME (symbolP));
1891 ignore_rest_of_line ();
1895 if (S_GET_VALUE (symbolP) && S_GET_VALUE (symbolP) != (valueT) size)
1897 as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
1898 S_GET_NAME (symbolP),
1899 (long) S_GET_VALUE (symbolP),
1902 ignore_rest_of_line ();
1908 old_subsec = now_subseg;
1911 /* Convert to a power of 2 alignment. */
1912 for (align2 = 0; (align & 1) == 0; align >>= 1, ++align2);
1915 as_bad (_("Common alignment not a power of 2"));
1916 ignore_rest_of_line ();
1923 record_alignment (bss_section, align2);
1924 subseg_set (bss_section, 0);
1926 frag_align (align2, 0, 0);
1927 if (S_GET_SEGMENT (symbolP) == bss_section)
1928 symbol_get_frag (symbolP)->fr_symbol = 0;
1929 symbol_set_frag (symbolP, frag_now);
1930 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP, size,
1933 S_SET_SIZE (symbolP, size);
1934 S_SET_SEGMENT (symbolP, bss_section);
1935 subseg_set (old_sec, old_subsec);
1936 demand_empty_rest_of_line ();
1939 /* Validate any relocations emitted for -mrelocatable, possibly adding
1940 fixups for word relocations in writable segments, so we can adjust
1943 ppc_elf_validate_fix (fixp, seg)
1947 if (fixp->fx_done || fixp->fx_pcrel)
1956 case SHLIB_MRELOCATABLE:
1957 if (fixp->fx_r_type <= BFD_RELOC_UNUSED
1958 && fixp->fx_r_type != BFD_RELOC_16_GOTOFF
1959 && fixp->fx_r_type != BFD_RELOC_HI16_GOTOFF
1960 && fixp->fx_r_type != BFD_RELOC_LO16_GOTOFF
1961 && fixp->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
1962 && fixp->fx_r_type != BFD_RELOC_16_BASEREL
1963 && fixp->fx_r_type != BFD_RELOC_LO16_BASEREL
1964 && fixp->fx_r_type != BFD_RELOC_HI16_BASEREL
1965 && fixp->fx_r_type != BFD_RELOC_HI16_S_BASEREL
1966 && (seg->flags & SEC_LOAD) != 0
1967 && strcmp (segment_name (seg), ".got2") != 0
1968 && strcmp (segment_name (seg), ".dtors") != 0
1969 && strcmp (segment_name (seg), ".ctors") != 0
1970 && strcmp (segment_name (seg), ".fixup") != 0
1971 && strcmp (segment_name (seg), ".gcc_except_table") != 0
1972 && strcmp (segment_name (seg), ".eh_frame") != 0
1973 && strcmp (segment_name (seg), ".ex_shared") != 0)
1975 if ((seg->flags & (SEC_READONLY | SEC_CODE)) != 0
1976 || fixp->fx_r_type != BFD_RELOC_CTOR)
1978 as_bad_where (fixp->fx_file, fixp->fx_line,
1979 _("Relocation cannot be done when using -mrelocatable"));
1986 /* Prevent elf_frob_file_before_adjust removing a weak undefined
1987 function descriptor sym if the corresponding code sym is used. */
1990 ppc_frob_file_before_adjust ()
1998 for (symp = symbol_rootP; symp; symp = symbol_next (symp))
2005 name = S_GET_NAME (symp);
2009 if (! S_IS_WEAK (symp)
2010 || S_IS_DEFINED (symp))
2013 len = strlen (name) + 1;
2014 dotname = xmalloc (len + 1);
2016 memcpy (dotname + 1, name, len);
2017 dotsym = symbol_find_noref (dotname, 1);
2019 if (dotsym != NULL && (symbol_used_p (dotsym)
2020 || symbol_used_in_reloc_p (dotsym)))
2021 symbol_mark_used (symp);
2025 toc = bfd_get_section_by_name (stdoutput, ".toc");
2027 && bfd_section_size (stdoutput, toc) > 0x10000)
2028 as_warn (_("TOC section size exceeds 64k"));
2030 /* Don't emit .TOC. symbol. */
2031 symp = symbol_find (".TOC.");
2033 symbol_remove (symp, &symbol_rootP, &symbol_lastP);
2035 #endif /* OBJ_ELF */
2040 * Summary of parse_toc_entry.
2042 * in: Input_line_pointer points to the '[' in one of:
2044 * [toc] [tocv] [toc32] [toc64]
2046 * Anything else is an error of one kind or another.
2049 * return value: success or failure
2050 * toc_kind: kind of toc reference
2051 * input_line_pointer:
2052 * success: first char after the ']'
2053 * failure: unchanged
2057 * [toc] - rv == success, toc_kind = default_toc
2058 * [tocv] - rv == success, toc_kind = data_in_toc
2059 * [toc32] - rv == success, toc_kind = must_be_32
2060 * [toc64] - rv == success, toc_kind = must_be_64
2064 enum toc_size_qualifier
2066 default_toc, /* The toc cell constructed should be the system default size */
2067 data_in_toc, /* This is a direct reference to a toc cell */
2068 must_be_32, /* The toc cell constructed must be 32 bits wide */
2069 must_be_64 /* The toc cell constructed must be 64 bits wide */
2073 parse_toc_entry (toc_kind)
2074 enum toc_size_qualifier *toc_kind;
2079 enum toc_size_qualifier t;
2081 /* Save the input_line_pointer. */
2082 start = input_line_pointer;
2084 /* Skip over the '[' , and whitespace. */
2085 ++input_line_pointer;
2088 /* Find the spelling of the operand. */
2089 toc_spec = input_line_pointer;
2090 c = get_symbol_end ();
2092 if (strcmp (toc_spec, "toc") == 0)
2096 else if (strcmp (toc_spec, "tocv") == 0)
2100 else if (strcmp (toc_spec, "toc32") == 0)
2104 else if (strcmp (toc_spec, "toc64") == 0)
2110 as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec);
2111 *input_line_pointer = c;
2112 input_line_pointer = start;
2116 /* Now find the ']'. */
2117 *input_line_pointer = c;
2119 SKIP_WHITESPACE (); /* leading whitespace could be there. */
2120 c = *input_line_pointer++; /* input_line_pointer->past char in c. */
2124 as_bad (_("syntax error: expected `]', found `%c'"), c);
2125 input_line_pointer = start;
2136 #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
2138 ppc_apuinfo_section_add (apu, version)
2139 unsigned int apu, version;
2143 /* Check we don't already exist. */
2144 for (i = 0; i < ppc_apuinfo_num; i++)
2145 if (ppc_apuinfo_list[i] == APUID (apu, version))
2148 if (ppc_apuinfo_num == ppc_apuinfo_num_alloc)
2150 if (ppc_apuinfo_num_alloc == 0)
2152 ppc_apuinfo_num_alloc = 4;
2153 ppc_apuinfo_list = (unsigned long *)
2154 xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2158 ppc_apuinfo_num_alloc += 4;
2159 ppc_apuinfo_list = (unsigned long *) xrealloc (ppc_apuinfo_list,
2160 sizeof (unsigned long) * ppc_apuinfo_num_alloc);
2163 ppc_apuinfo_list[ppc_apuinfo_num++] = APUID (apu, version);
2169 /* We need to keep a list of fixups. We can't simply generate them as
2170 we go, because that would require us to first create the frag, and
2171 that would screw up references to ``.''. */
2177 bfd_reloc_code_real_type reloc;
2180 #define MAX_INSN_FIXUPS (5)
2182 /* This routine is called for each instruction to be assembled. */
2189 const struct powerpc_opcode *opcode;
2191 const unsigned char *opindex_ptr;
2195 struct ppc_fixup fixups[MAX_INSN_FIXUPS];
2201 bfd_reloc_code_real_type reloc;
2204 /* Get the opcode. */
2205 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
2210 /* Look up the opcode in the hash table. */
2211 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, str);
2212 if (opcode == (const struct powerpc_opcode *) NULL)
2214 const struct powerpc_macro *macro;
2216 macro = (const struct powerpc_macro *) hash_find (ppc_macro_hash, str);
2217 if (macro == (const struct powerpc_macro *) NULL)
2218 as_bad (_("Unrecognized opcode: `%s'"), str);
2220 ppc_macro (s, macro);
2225 insn = opcode->opcode;
2228 while (ISSPACE (*str))
2231 /* PowerPC operands are just expressions. The only real issue is
2232 that a few operand types are optional. All cases which might use
2233 an optional operand separate the operands only with commas (in some
2234 cases parentheses are used, as in ``lwz 1,0(1)'' but such cases never
2235 have optional operands). Most instructions with optional operands
2236 have only one. Those that have more than one optional operand can
2237 take either all their operands or none. So, before we start seriously
2238 parsing the operands, we check to see if we have optional operands,
2239 and if we do, we count the number of commas to see which operands
2240 have been omitted. */
2242 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2244 const struct powerpc_operand *operand;
2246 operand = &powerpc_operands[*opindex_ptr];
2247 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0)
2249 unsigned int opcount;
2250 unsigned int num_operands_expected;
2253 /* There is an optional operand. Count the number of
2254 commas in the input line. */
2261 while ((s = strchr (s, ',')) != (char *) NULL)
2268 /* Compute the number of expected operands.
2269 Do not count fake operands. */
2270 for (num_operands_expected = 0, i = 0; opcode->operands[i]; i ++)
2271 if ((powerpc_operands [opcode->operands[i]].flags & PPC_OPERAND_FAKE) == 0)
2272 ++ num_operands_expected;
2274 /* If there are fewer operands in the line then are called
2275 for by the instruction, we want to skip the optional
2277 if (opcount < num_operands_expected)
2284 /* Gather the operands. */
2288 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2290 const struct powerpc_operand *operand;
2296 if (next_opindex == 0)
2297 operand = &powerpc_operands[*opindex_ptr];
2300 operand = &powerpc_operands[next_opindex];
2305 /* If this is a fake operand, then we do not expect anything
2307 if ((operand->flags & PPC_OPERAND_FAKE) != 0)
2309 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2310 if (errmsg != (const char *) NULL)
2315 /* If this is an optional operand, and we are skipping it, just
2317 if ((operand->flags & PPC_OPERAND_OPTIONAL) != 0
2320 if (operand->insert)
2322 insn = (*operand->insert) (insn, 0L, ppc_cpu, &errmsg);
2323 if (errmsg != (const char *) NULL)
2326 if ((operand->flags & PPC_OPERAND_NEXT) != 0)
2327 next_opindex = *opindex_ptr + 1;
2331 /* Gather the operand. */
2332 hold = input_line_pointer;
2333 input_line_pointer = str;
2336 if (*input_line_pointer == '[')
2338 /* We are expecting something like the second argument here:
2340 * lwz r4,[toc].GS.0.static_int(rtoc)
2341 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2342 * The argument following the `]' must be a symbol name, and the
2343 * register must be the toc register: 'rtoc' or '2'
2345 * The effect is to 0 as the displacement field
2346 * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
2347 * the appropriate variation) reloc against it based on the symbol.
2348 * The linker will build the toc, and insert the resolved toc offset.
2351 * o The size of the toc entry is currently assumed to be
2352 * 32 bits. This should not be assumed to be a hard coded
2354 * o In an effort to cope with a change from 32 to 64 bits,
2355 * there are also toc entries that are specified to be
2356 * either 32 or 64 bits:
2357 * lwz r4,[toc32].GS.0.static_int(rtoc)
2358 * lwz r4,[toc64].GS.0.static_int(rtoc)
2359 * These demand toc entries of the specified size, and the
2360 * instruction probably requires it.
2364 enum toc_size_qualifier toc_kind;
2365 bfd_reloc_code_real_type toc_reloc;
2367 /* Go parse off the [tocXX] part. */
2368 valid_toc = parse_toc_entry (&toc_kind);
2372 /* Note: message has already been issued.
2373 FIXME: what sort of recovery should we do?
2374 demand_rest_of_line (); return; ? */
2377 /* Now get the symbol following the ']'. */
2383 /* In this case, we may not have seen the symbol yet,
2384 since it is allowed to appear on a .extern or .globl
2385 or just be a label in the .data section. */
2386 toc_reloc = BFD_RELOC_PPC_TOC16;
2389 /* 1. The symbol must be defined and either in the toc
2390 section, or a global.
2391 2. The reloc generated must have the TOCDEFN flag set
2392 in upper bit mess of the reloc type.
2393 FIXME: It's a little confusing what the tocv
2394 qualifier can be used for. At the very least, I've
2395 seen three uses, only one of which I'm sure I can
2397 if (ex.X_op == O_symbol)
2399 assert (ex.X_add_symbol != NULL);
2400 if (symbol_get_bfdsym (ex.X_add_symbol)->section
2403 as_bad (_("[tocv] symbol is not a toc symbol"));
2407 toc_reloc = BFD_RELOC_PPC_TOC16;
2410 /* FIXME: these next two specifically specify 32/64 bit
2411 toc entries. We don't support them today. Is this
2412 the right way to say that? */
2413 toc_reloc = BFD_RELOC_UNUSED;
2414 as_bad (_("Unimplemented toc32 expression modifier"));
2417 /* FIXME: see above. */
2418 toc_reloc = BFD_RELOC_UNUSED;
2419 as_bad (_("Unimplemented toc64 expression modifier"));
2423 _("Unexpected return value [%d] from parse_toc_entry!\n"),
2429 /* We need to generate a fixup for this expression. */
2430 if (fc >= MAX_INSN_FIXUPS)
2431 as_fatal (_("too many fixups"));
2433 fixups[fc].reloc = toc_reloc;
2434 fixups[fc].exp = ex;
2435 fixups[fc].opindex = *opindex_ptr;
2438 /* Ok. We've set up the fixup for the instruction. Now make it
2439 look like the constant 0 was found here. */
2441 ex.X_op = O_constant;
2442 ex.X_add_number = 0;
2443 ex.X_add_symbol = NULL;
2444 ex.X_op_symbol = NULL;
2450 if (! register_name (&ex))
2452 if ((operand->flags & PPC_OPERAND_CR) != 0)
2459 str = input_line_pointer;
2460 input_line_pointer = hold;
2462 if (ex.X_op == O_illegal)
2463 as_bad (_("illegal operand"));
2464 else if (ex.X_op == O_absent)
2465 as_bad (_("missing operand"));
2466 else if (ex.X_op == O_register)
2468 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2471 else if (ex.X_op == O_constant)
2474 /* Allow @HA, @L, @H on constants. */
2475 char *orig_str = str;
2477 if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2484 case BFD_RELOC_LO16:
2485 /* X_unsigned is the default, so if the user has done
2486 something which cleared it, we always produce a
2488 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2489 ex.X_add_number &= 0xffff;
2491 ex.X_add_number = SEX16 (ex.X_add_number);
2494 case BFD_RELOC_HI16:
2495 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2496 ex.X_add_number = PPC_HI (ex.X_add_number);
2498 ex.X_add_number = SEX16 (PPC_HI (ex.X_add_number));
2501 case BFD_RELOC_HI16_S:
2502 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2503 ex.X_add_number = PPC_HA (ex.X_add_number);
2505 ex.X_add_number = SEX16 (PPC_HA (ex.X_add_number));
2508 case BFD_RELOC_PPC64_HIGHER:
2509 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2510 ex.X_add_number = PPC_HIGHER (ex.X_add_number);
2512 ex.X_add_number = SEX16 (PPC_HIGHER (ex.X_add_number));
2515 case BFD_RELOC_PPC64_HIGHER_S:
2516 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2517 ex.X_add_number = PPC_HIGHERA (ex.X_add_number);
2519 ex.X_add_number = SEX16 (PPC_HIGHERA (ex.X_add_number));
2522 case BFD_RELOC_PPC64_HIGHEST:
2523 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2524 ex.X_add_number = PPC_HIGHEST (ex.X_add_number);
2526 ex.X_add_number = SEX16 (PPC_HIGHEST (ex.X_add_number));
2529 case BFD_RELOC_PPC64_HIGHEST_S:
2530 if (ex.X_unsigned && ! (operand->flags & PPC_OPERAND_SIGNED))
2531 ex.X_add_number = PPC_HIGHESTA (ex.X_add_number);
2533 ex.X_add_number = SEX16 (PPC_HIGHESTA (ex.X_add_number));
2536 #endif /* OBJ_ELF */
2537 insn = ppc_insert_operand (insn, operand, ex.X_add_number,
2541 else if ((reloc = ppc_elf_suffix (&str, &ex)) != BFD_RELOC_UNUSED)
2543 /* Some TLS tweaks. */
2548 case BFD_RELOC_PPC_TLS:
2549 insn = ppc_insert_operand (insn, operand, ppc_obj64 ? 13 : 2,
2552 /* We'll only use the 32 (or 64) bit form of these relocations
2553 in constants. Instructions get the 16 bit form. */
2554 case BFD_RELOC_PPC_DTPREL:
2555 reloc = BFD_RELOC_PPC_DTPREL16;
2557 case BFD_RELOC_PPC_TPREL:
2558 reloc = BFD_RELOC_PPC_TPREL16;
2562 /* For the absolute forms of branches, convert the PC
2563 relative form back into the absolute. */
2564 if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
2568 case BFD_RELOC_PPC_B26:
2569 reloc = BFD_RELOC_PPC_BA26;
2571 case BFD_RELOC_PPC_B16:
2572 reloc = BFD_RELOC_PPC_BA16;
2574 case BFD_RELOC_PPC_B16_BRTAKEN:
2575 reloc = BFD_RELOC_PPC_BA16_BRTAKEN;
2577 case BFD_RELOC_PPC_B16_BRNTAKEN:
2578 reloc = BFD_RELOC_PPC_BA16_BRNTAKEN;
2586 && (operand->flags & (PPC_OPERAND_DS | PPC_OPERAND_DQ)) != 0)
2591 reloc = BFD_RELOC_PPC64_ADDR16_DS;
2593 case BFD_RELOC_LO16:
2594 reloc = BFD_RELOC_PPC64_ADDR16_LO_DS;
2596 case BFD_RELOC_16_GOTOFF:
2597 reloc = BFD_RELOC_PPC64_GOT16_DS;
2599 case BFD_RELOC_LO16_GOTOFF:
2600 reloc = BFD_RELOC_PPC64_GOT16_LO_DS;
2602 case BFD_RELOC_LO16_PLTOFF:
2603 reloc = BFD_RELOC_PPC64_PLT16_LO_DS;
2605 case BFD_RELOC_16_BASEREL:
2606 reloc = BFD_RELOC_PPC64_SECTOFF_DS;
2608 case BFD_RELOC_LO16_BASEREL:
2609 reloc = BFD_RELOC_PPC64_SECTOFF_LO_DS;
2611 case BFD_RELOC_PPC_TOC16:
2612 reloc = BFD_RELOC_PPC64_TOC16_DS;
2614 case BFD_RELOC_PPC64_TOC16_LO:
2615 reloc = BFD_RELOC_PPC64_TOC16_LO_DS;
2617 case BFD_RELOC_PPC64_PLTGOT16:
2618 reloc = BFD_RELOC_PPC64_PLTGOT16_DS;
2620 case BFD_RELOC_PPC64_PLTGOT16_LO:
2621 reloc = BFD_RELOC_PPC64_PLTGOT16_LO_DS;
2623 case BFD_RELOC_PPC_DTPREL16:
2624 reloc = BFD_RELOC_PPC64_DTPREL16_DS;
2626 case BFD_RELOC_PPC_DTPREL16_LO:
2627 reloc = BFD_RELOC_PPC64_DTPREL16_LO_DS;
2629 case BFD_RELOC_PPC_TPREL16:
2630 reloc = BFD_RELOC_PPC64_TPREL16_DS;
2632 case BFD_RELOC_PPC_TPREL16_LO:
2633 reloc = BFD_RELOC_PPC64_TPREL16_LO_DS;
2635 case BFD_RELOC_PPC_GOT_DTPREL16:
2636 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
2637 case BFD_RELOC_PPC_GOT_TPREL16:
2638 case BFD_RELOC_PPC_GOT_TPREL16_LO:
2641 as_bad (_("unsupported relocation for DS offset field"));
2646 /* We need to generate a fixup for this expression. */
2647 if (fc >= MAX_INSN_FIXUPS)
2648 as_fatal (_("too many fixups"));
2649 fixups[fc].exp = ex;
2650 fixups[fc].opindex = 0;
2651 fixups[fc].reloc = reloc;
2654 #endif /* OBJ_ELF */
2658 /* We need to generate a fixup for this expression. */
2659 if (fc >= MAX_INSN_FIXUPS)
2660 as_fatal (_("too many fixups"));
2661 fixups[fc].exp = ex;
2662 fixups[fc].opindex = *opindex_ptr;
2663 fixups[fc].reloc = BFD_RELOC_UNUSED;
2672 else if ((operand->flags & PPC_OPERAND_PARENS) != 0)
2680 /* The call to expression should have advanced str past any
2683 && (endc != ',' || *str != '\0'))
2685 as_bad (_("syntax error; found `%c' but expected `%c'"), *str, endc);
2693 while (ISSPACE (*str))
2697 as_bad (_("junk at end of line: `%s'"), str);
2700 /* Do we need/want a APUinfo section? */
2701 if (ppc_cpu & (PPC_OPCODE_SPE
2702 | PPC_OPCODE_ISEL | PPC_OPCODE_EFS
2703 | PPC_OPCODE_BRLOCK | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK
2704 | PPC_OPCODE_RFMCI))
2706 /* These are all version "1". */
2707 if (opcode->flags & PPC_OPCODE_SPE)
2708 ppc_apuinfo_section_add (PPC_APUINFO_SPE, 1);
2709 if (opcode->flags & PPC_OPCODE_ISEL)
2710 ppc_apuinfo_section_add (PPC_APUINFO_ISEL, 1);
2711 if (opcode->flags & PPC_OPCODE_EFS)
2712 ppc_apuinfo_section_add (PPC_APUINFO_EFS, 1);
2713 if (opcode->flags & PPC_OPCODE_BRLOCK)
2714 ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK, 1);
2715 if (opcode->flags & PPC_OPCODE_PMR)
2716 ppc_apuinfo_section_add (PPC_APUINFO_PMR, 1);
2717 if (opcode->flags & PPC_OPCODE_CACHELCK)
2718 ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK, 1);
2719 if (opcode->flags & PPC_OPCODE_RFMCI)
2720 ppc_apuinfo_section_add (PPC_APUINFO_RFMCI, 1);
2724 /* Write out the instruction. */
2726 addr_mod = frag_now_fix () & 3;
2727 if (frag_now->has_code && frag_now->insn_addr != addr_mod)
2728 as_bad (_("instruction address is not a multiple of 4"));
2729 frag_now->insn_addr = addr_mod;
2730 frag_now->has_code = 1;
2731 md_number_to_chars (f, insn, 4);
2734 dwarf2_emit_insn (4);
2737 /* Create any fixups. At this point we do not use a
2738 bfd_reloc_code_real_type, but instead just use the
2739 BFD_RELOC_UNUSED plus the operand index. This lets us easily
2740 handle fixups for any operand type, although that is admittedly
2741 not a very exciting feature. We pick a BFD reloc type in
2743 for (i = 0; i < fc; i++)
2745 const struct powerpc_operand *operand;
2747 operand = &powerpc_operands[fixups[i].opindex];
2748 if (fixups[i].reloc != BFD_RELOC_UNUSED)
2750 reloc_howto_type *reloc_howto;
2755 reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc);
2759 size = bfd_get_reloc_size (reloc_howto);
2760 offset = target_big_endian ? (4 - size) : 0;
2762 if (size < 1 || size > 4)
2765 fixP = fix_new_exp (frag_now,
2766 f - frag_now->fr_literal + offset,
2769 reloc_howto->pc_relative,
2772 /* Turn off complaints that the addend is too large for things like
2774 switch (fixups[i].reloc)
2776 case BFD_RELOC_16_GOTOFF:
2777 case BFD_RELOC_PPC_TOC16:
2778 case BFD_RELOC_LO16:
2779 case BFD_RELOC_HI16:
2780 case BFD_RELOC_HI16_S:
2782 case BFD_RELOC_PPC64_HIGHER:
2783 case BFD_RELOC_PPC64_HIGHER_S:
2784 case BFD_RELOC_PPC64_HIGHEST:
2785 case BFD_RELOC_PPC64_HIGHEST_S:
2787 fixP->fx_no_overflow = 1;
2794 fix_new_exp (frag_now,
2795 f - frag_now->fr_literal,
2798 (operand->flags & PPC_OPERAND_RELATIVE) != 0,
2799 ((bfd_reloc_code_real_type)
2800 (fixups[i].opindex + (int) BFD_RELOC_UNUSED)));
2804 /* Handle a macro. Gather all the operands, transform them as
2805 described by the macro, and call md_assemble recursively. All the
2806 operands are separated by commas; we don't accept parentheses
2807 around operands here. */
2810 ppc_macro (str, macro)
2812 const struct powerpc_macro *macro;
2823 /* Gather the users operands into the operands array. */
2828 if (count >= sizeof operands / sizeof operands[0])
2830 operands[count++] = s;
2831 s = strchr (s, ',');
2832 if (s == (char *) NULL)
2837 if (count != macro->operands)
2839 as_bad (_("wrong number of operands"));
2843 /* Work out how large the string must be (the size is unbounded
2844 because it includes user input). */
2846 format = macro->format;
2847 while (*format != '\0')
2856 arg = strtol (format + 1, &send, 10);
2857 know (send != format && arg < count);
2858 len += strlen (operands[arg]);
2863 /* Put the string together. */
2864 complete = s = (char *) alloca (len + 1);
2865 format = macro->format;
2866 while (*format != '\0')
2872 arg = strtol (format + 1, &send, 10);
2873 strcpy (s, operands[arg]);
2880 /* Assemble the constructed instruction. */
2881 md_assemble (complete);
2885 /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
2888 ppc_section_letter (letter, ptr_msg)
2895 *ptr_msg = _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
2900 ppc_section_word (str, len)
2904 if (len == 7 && strncmp (str, "exclude", 7) == 0)
2911 ppc_section_type (str, len)
2915 if (len == 7 && strncmp (str, "ordered", 7) == 0)
2922 ppc_section_flags (flags, attr, type)
2927 if (type == SHT_ORDERED)
2928 flags |= SEC_ALLOC | SEC_LOAD | SEC_SORT_ENTRIES;
2930 if (attr & SHF_EXCLUDE)
2931 flags |= SEC_EXCLUDE;
2935 #endif /* OBJ_ELF */
2938 /* Pseudo-op handling. */
2940 /* The .byte pseudo-op. This is similar to the normal .byte
2941 pseudo-op, but it can also take a single ASCII string. */
2945 int ignore ATTRIBUTE_UNUSED;
2947 if (*input_line_pointer != '\"')
2953 /* Gather characters. A real double quote is doubled. Unusual
2954 characters are not permitted. */
2955 ++input_line_pointer;
2960 c = *input_line_pointer++;
2964 if (*input_line_pointer != '\"')
2966 ++input_line_pointer;
2969 FRAG_APPEND_1_CHAR (c);
2972 demand_empty_rest_of_line ();
2977 /* XCOFF specific pseudo-op handling. */
2979 /* This is set if we are creating a .stabx symbol, since we don't want
2980 to handle symbol suffixes for such symbols. */
2981 static bfd_boolean ppc_stab_symbol;
2983 /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
2984 symbols in the .bss segment as though they were local common
2985 symbols, and uses a different smclas. The native Aix 4.3.3 assembler
2986 aligns .comm and .lcomm to 4 bytes. */
2992 asection *current_seg = now_seg;
2993 subsegT current_subseg = now_subseg;
2999 symbolS *lcomm_sym = NULL;
3003 name = input_line_pointer;
3004 endc = get_symbol_end ();
3005 end_name = input_line_pointer;
3008 if (*input_line_pointer != ',')
3010 as_bad (_("missing size"));
3011 ignore_rest_of_line ();
3014 ++input_line_pointer;
3016 size = get_absolute_expression ();
3019 as_bad (_("negative size"));
3020 ignore_rest_of_line ();
3026 /* The third argument to .comm is the alignment. */
3027 if (*input_line_pointer != ',')
3031 ++input_line_pointer;
3032 align = get_absolute_expression ();
3035 as_warn (_("ignoring bad alignment"));
3050 /* The third argument to .lcomm appears to be the real local
3051 common symbol to create. References to the symbol named in
3052 the first argument are turned into references to the third
3054 if (*input_line_pointer != ',')
3056 as_bad (_("missing real symbol name"));
3057 ignore_rest_of_line ();
3060 ++input_line_pointer;
3062 lcomm_name = input_line_pointer;
3063 lcomm_endc = get_symbol_end ();
3065 lcomm_sym = symbol_find_or_make (lcomm_name);
3067 *input_line_pointer = lcomm_endc;
3071 sym = symbol_find_or_make (name);
3074 if (S_IS_DEFINED (sym)
3075 || S_GET_VALUE (sym) != 0)
3077 as_bad (_("attempt to redefine symbol"));
3078 ignore_rest_of_line ();
3082 record_alignment (bss_section, align);
3085 || ! S_IS_DEFINED (lcomm_sym))
3094 S_SET_EXTERNAL (sym);
3098 symbol_get_tc (lcomm_sym)->output = 1;
3099 def_sym = lcomm_sym;
3103 subseg_set (bss_section, 1);
3104 frag_align (align, 0, 0);
3106 symbol_set_frag (def_sym, frag_now);
3107 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, def_sym,
3108 def_size, (char *) NULL);
3110 S_SET_SEGMENT (def_sym, bss_section);
3111 symbol_get_tc (def_sym)->align = align;
3115 /* Align the size of lcomm_sym. */
3116 symbol_get_frag (lcomm_sym)->fr_offset =
3117 ((symbol_get_frag (lcomm_sym)->fr_offset + (1 << align) - 1)
3118 &~ ((1 << align) - 1));
3119 if (align > symbol_get_tc (lcomm_sym)->align)
3120 symbol_get_tc (lcomm_sym)->align = align;
3125 /* Make sym an offset from lcomm_sym. */
3126 S_SET_SEGMENT (sym, bss_section);
3127 symbol_set_frag (sym, symbol_get_frag (lcomm_sym));
3128 S_SET_VALUE (sym, symbol_get_frag (lcomm_sym)->fr_offset);
3129 symbol_get_frag (lcomm_sym)->fr_offset += size;
3132 subseg_set (current_seg, current_subseg);
3134 demand_empty_rest_of_line ();
3137 /* The .csect pseudo-op. This switches us into a different
3138 subsegment. The first argument is a symbol whose value is the
3139 start of the .csect. In COFF, csect symbols get special aux
3140 entries defined by the x_csect field of union internal_auxent. The
3141 optional second argument is the alignment (the default is 2). */
3145 int ignore ATTRIBUTE_UNUSED;
3152 name = input_line_pointer;
3153 endc = get_symbol_end ();
3155 sym = symbol_find_or_make (name);
3157 *input_line_pointer = endc;
3159 if (S_GET_NAME (sym)[0] == '\0')
3161 /* An unnamed csect is assumed to be [PR]. */
3162 symbol_get_tc (sym)->class = XMC_PR;
3166 if (*input_line_pointer == ',')
3168 ++input_line_pointer;
3169 align = get_absolute_expression ();
3172 ppc_change_csect (sym, align);
3174 demand_empty_rest_of_line ();
3177 /* Change to a different csect. */
3180 ppc_change_csect (sym, align)
3184 if (S_IS_DEFINED (sym))
3185 subseg_set (S_GET_SEGMENT (sym), symbol_get_tc (sym)->subseg);
3195 /* This is a new csect. We need to look at the symbol class to
3196 figure out whether it should go in the text section or the
3200 switch (symbol_get_tc (sym)->class)
3210 S_SET_SEGMENT (sym, text_section);
3211 symbol_get_tc (sym)->subseg = ppc_text_subsegment;
3212 ++ppc_text_subsegment;
3213 list_ptr = &ppc_text_csects;
3223 if (ppc_toc_csect != NULL
3224 && (symbol_get_tc (ppc_toc_csect)->subseg + 1
3225 == ppc_data_subsegment))
3227 S_SET_SEGMENT (sym, data_section);
3228 symbol_get_tc (sym)->subseg = ppc_data_subsegment;
3229 ++ppc_data_subsegment;
3230 list_ptr = &ppc_data_csects;
3236 /* We set the obstack chunk size to a small value before
3237 changing subsegments, so that we don't use a lot of memory
3238 space for what may be a small section. */
3239 hold_chunksize = chunksize;
3242 sec = subseg_new (segment_name (S_GET_SEGMENT (sym)),
3243 symbol_get_tc (sym)->subseg);
3245 chunksize = hold_chunksize;
3248 ppc_after_toc_frag = frag_now;
3250 record_alignment (sec, align);
3252 frag_align_code (align, 0);
3254 frag_align (align, 0, 0);
3256 symbol_set_frag (sym, frag_now);
3257 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3259 symbol_get_tc (sym)->align = align;
3260 symbol_get_tc (sym)->output = 1;
3261 symbol_get_tc (sym)->within = sym;
3263 for (list = *list_ptr;
3264 symbol_get_tc (list)->next != (symbolS *) NULL;
3265 list = symbol_get_tc (list)->next)
3267 symbol_get_tc (list)->next = sym;
3269 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3270 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3274 ppc_current_csect = sym;
3277 /* This function handles the .text and .data pseudo-ops. These
3278 pseudo-ops aren't really used by XCOFF; we implement them for the
3279 convenience of people who aren't used to XCOFF. */
3290 else if (type == 'd')
3295 sym = symbol_find_or_make (name);
3297 ppc_change_csect (sym, 2);
3299 demand_empty_rest_of_line ();
3302 /* This function handles the .section pseudo-op. This is mostly to
3303 give an error, since XCOFF only supports .text, .data and .bss, but
3304 we do permit the user to name the text or data section. */
3307 ppc_named_section (ignore)
3308 int ignore ATTRIBUTE_UNUSED;
3311 const char *real_name;
3315 user_name = input_line_pointer;
3316 c = get_symbol_end ();
3318 if (strcmp (user_name, ".text") == 0)
3319 real_name = ".text[PR]";
3320 else if (strcmp (user_name, ".data") == 0)
3321 real_name = ".data[RW]";
3324 as_bad (_("The XCOFF file format does not support arbitrary sections"));
3325 *input_line_pointer = c;
3326 ignore_rest_of_line ();
3330 *input_line_pointer = c;
3332 sym = symbol_find_or_make (real_name);
3334 ppc_change_csect (sym, 2);
3336 demand_empty_rest_of_line ();
3339 /* The .extern pseudo-op. We create an undefined symbol. */
3343 int ignore ATTRIBUTE_UNUSED;
3348 name = input_line_pointer;
3349 endc = get_symbol_end ();
3351 (void) symbol_find_or_make (name);
3353 *input_line_pointer = endc;
3355 demand_empty_rest_of_line ();
3358 /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
3362 int ignore ATTRIBUTE_UNUSED;
3368 name = input_line_pointer;
3369 endc = get_symbol_end ();
3371 sym = symbol_find_or_make (name);
3373 *input_line_pointer = endc;
3375 symbol_get_tc (sym)->output = 1;
3377 demand_empty_rest_of_line ();
3380 /* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
3381 although I don't know why it bothers. */
3385 int ignore ATTRIBUTE_UNUSED;
3392 name = input_line_pointer;
3393 endc = get_symbol_end ();
3395 sym = symbol_find_or_make (name);
3397 *input_line_pointer = endc;
3399 if (*input_line_pointer != ',')
3401 as_bad (_("missing rename string"));
3402 ignore_rest_of_line ();
3405 ++input_line_pointer;
3407 symbol_get_tc (sym)->real_name = demand_copy_C_string (&len);
3409 demand_empty_rest_of_line ();
3412 /* The .stabx pseudo-op. This is similar to a normal .stabs
3413 pseudo-op, but slightly different. A sample is
3414 .stabx "main:F-1",.main,142,0
3415 The first argument is the symbol name to create. The second is the
3416 value, and the third is the storage class. The fourth seems to be
3417 always zero, and I am assuming it is the type. */
3421 int ignore ATTRIBUTE_UNUSED;
3428 name = demand_copy_C_string (&len);
3430 if (*input_line_pointer != ',')
3432 as_bad (_("missing value"));
3435 ++input_line_pointer;
3437 ppc_stab_symbol = TRUE;
3438 sym = symbol_make (name);
3439 ppc_stab_symbol = FALSE;
3441 symbol_get_tc (sym)->real_name = name;
3443 (void) expression (&exp);
3450 as_bad (_("illegal .stabx expression; zero assumed"));
3451 exp.X_add_number = 0;
3454 S_SET_VALUE (sym, (valueT) exp.X_add_number);
3455 symbol_set_frag (sym, &zero_address_frag);
3459 if (S_GET_SEGMENT (exp.X_add_symbol) == undefined_section)
3460 symbol_set_value_expression (sym, &exp);
3464 exp.X_add_number + S_GET_VALUE (exp.X_add_symbol));
3465 symbol_set_frag (sym, symbol_get_frag (exp.X_add_symbol));
3470 /* The value is some complex expression. This will probably
3471 fail at some later point, but this is probably the right
3472 thing to do here. */
3473 symbol_set_value_expression (sym, &exp);
3477 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3478 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3480 if (*input_line_pointer != ',')
3482 as_bad (_("missing class"));
3485 ++input_line_pointer;
3487 S_SET_STORAGE_CLASS (sym, get_absolute_expression ());
3489 if (*input_line_pointer != ',')
3491 as_bad (_("missing type"));
3494 ++input_line_pointer;
3496 S_SET_DATA_TYPE (sym, get_absolute_expression ());
3498 symbol_get_tc (sym)->output = 1;
3500 if (S_GET_STORAGE_CLASS (sym) == C_STSYM) {
3502 symbol_get_tc (sym)->within = ppc_current_block;
3507 .stabx "z",arrays_,133,0
3510 .comm arrays_,13768,3
3512 resolve_symbol_value will copy the exp's "within" into sym's when the
3513 offset is 0. Since this seems to be corner case problem,
3514 only do the correction for storage class C_STSYM. A better solution
3515 would be to have the tc field updated in ppc_symbol_new_hook. */
3517 if (exp.X_op == O_symbol)
3519 symbol_get_tc (exp.X_add_symbol)->within = ppc_current_block;
3523 if (exp.X_op != O_symbol
3524 || ! S_IS_EXTERNAL (exp.X_add_symbol)
3525 || S_GET_SEGMENT (exp.X_add_symbol) != bss_section)
3526 ppc_frob_label (sym);
3529 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3530 symbol_append (sym, exp.X_add_symbol, &symbol_rootP, &symbol_lastP);
3531 if (symbol_get_tc (ppc_current_csect)->within == exp.X_add_symbol)
3532 symbol_get_tc (ppc_current_csect)->within = sym;
3535 demand_empty_rest_of_line ();
3538 /* The .function pseudo-op. This takes several arguments. The first
3539 argument seems to be the external name of the symbol. The second
3540 argument seems to be the label for the start of the function. gcc
3541 uses the same name for both. I have no idea what the third and
3542 fourth arguments are meant to be. The optional fifth argument is
3543 an expression for the size of the function. In COFF this symbol
3544 gets an aux entry like that used for a csect. */
3547 ppc_function (ignore)
3548 int ignore ATTRIBUTE_UNUSED;
3556 name = input_line_pointer;
3557 endc = get_symbol_end ();
3559 /* Ignore any [PR] suffix. */
3560 name = ppc_canonicalize_symbol_name (name);
3561 s = strchr (name, '[');
3562 if (s != (char *) NULL
3563 && strcmp (s + 1, "PR]") == 0)
3566 ext_sym = symbol_find_or_make (name);
3568 *input_line_pointer = endc;
3570 if (*input_line_pointer != ',')
3572 as_bad (_("missing symbol name"));
3573 ignore_rest_of_line ();
3576 ++input_line_pointer;
3578 name = input_line_pointer;
3579 endc = get_symbol_end ();
3581 lab_sym = symbol_find_or_make (name);
3583 *input_line_pointer = endc;
3585 if (ext_sym != lab_sym)
3589 exp.X_op = O_symbol;
3590 exp.X_add_symbol = lab_sym;
3591 exp.X_op_symbol = NULL;
3592 exp.X_add_number = 0;
3594 symbol_set_value_expression (ext_sym, &exp);
3597 if (symbol_get_tc (ext_sym)->class == -1)
3598 symbol_get_tc (ext_sym)->class = XMC_PR;
3599 symbol_get_tc (ext_sym)->output = 1;
3601 if (*input_line_pointer == ',')
3605 /* Ignore the third argument. */
3606 ++input_line_pointer;
3607 expression (&ignore);
3608 if (*input_line_pointer == ',')
3610 /* Ignore the fourth argument. */
3611 ++input_line_pointer;
3612 expression (&ignore);
3613 if (*input_line_pointer == ',')
3615 /* The fifth argument is the function size. */
3616 ++input_line_pointer;
3617 symbol_get_tc (ext_sym)->size = symbol_new ("L0\001",
3620 &zero_address_frag);
3621 pseudo_set (symbol_get_tc (ext_sym)->size);
3626 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
3627 SF_SET_FUNCTION (ext_sym);
3628 SF_SET_PROCESS (ext_sym);
3629 coff_add_linesym (ext_sym);
3631 demand_empty_rest_of_line ();
3634 /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
3635 ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
3636 with the correct line number */
3638 static symbolS *saved_bi_sym = 0;
3642 int ignore ATTRIBUTE_UNUSED;
3646 sym = symbol_make (".bf");
3647 S_SET_SEGMENT (sym, text_section);
3648 symbol_set_frag (sym, frag_now);
3649 S_SET_VALUE (sym, frag_now_fix ());
3650 S_SET_STORAGE_CLASS (sym, C_FCN);
3652 coff_line_base = get_absolute_expression ();
3654 S_SET_NUMBER_AUXILIARY (sym, 1);
3655 SA_SET_SYM_LNNO (sym, coff_line_base);
3657 /* Line number for bi. */
3660 S_SET_VALUE (saved_bi_sym, coff_n_line_nos);
3665 symbol_get_tc (sym)->output = 1;
3667 ppc_frob_label (sym);
3669 demand_empty_rest_of_line ();
3672 /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named
3673 ".ef", except that the line number is absolute, not relative to the
3674 most recent ".bf" symbol. */
3678 int ignore ATTRIBUTE_UNUSED;
3682 sym = symbol_make (".ef");
3683 S_SET_SEGMENT (sym, text_section);
3684 symbol_set_frag (sym, frag_now);
3685 S_SET_VALUE (sym, frag_now_fix ());
3686 S_SET_STORAGE_CLASS (sym, C_FCN);
3687 S_SET_NUMBER_AUXILIARY (sym, 1);
3688 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3689 symbol_get_tc (sym)->output = 1;
3691 ppc_frob_label (sym);
3693 demand_empty_rest_of_line ();
3696 /* The .bi and .ei pseudo-ops. These take a string argument and
3697 generates a C_BINCL or C_EINCL symbol, which goes at the start of
3698 the symbol list. The value of .bi will be know when the next .bf
3705 static symbolS *last_biei;
3712 name = demand_copy_C_string (&len);
3714 /* The value of these symbols is actually file offset. Here we set
3715 the value to the index into the line number entries. In
3716 ppc_frob_symbols we set the fix_line field, which will cause BFD
3717 to do the right thing. */
3719 sym = symbol_make (name);
3720 /* obj-coff.c currently only handles line numbers correctly in the
3722 S_SET_SEGMENT (sym, text_section);
3723 S_SET_VALUE (sym, coff_n_line_nos);
3724 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3726 S_SET_STORAGE_CLASS (sym, ei ? C_EINCL : C_BINCL);
3727 symbol_get_tc (sym)->output = 1;
3735 for (look = last_biei ? last_biei : symbol_rootP;
3736 (look != (symbolS *) NULL
3737 && (S_GET_STORAGE_CLASS (look) == C_FILE
3738 || S_GET_STORAGE_CLASS (look) == C_BINCL
3739 || S_GET_STORAGE_CLASS (look) == C_EINCL));
3740 look = symbol_next (look))
3742 if (look != (symbolS *) NULL)
3744 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3745 symbol_insert (sym, look, &symbol_rootP, &symbol_lastP);
3749 demand_empty_rest_of_line ();
3752 /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs".
3753 There is one argument, which is a csect symbol. The value of the
3754 .bs symbol is the index of this csect symbol. */
3758 int ignore ATTRIBUTE_UNUSED;
3765 if (ppc_current_block != NULL)
3766 as_bad (_("nested .bs blocks"));
3768 name = input_line_pointer;
3769 endc = get_symbol_end ();
3771 csect = symbol_find_or_make (name);
3773 *input_line_pointer = endc;
3775 sym = symbol_make (".bs");
3776 S_SET_SEGMENT (sym, now_seg);
3777 S_SET_STORAGE_CLASS (sym, C_BSTAT);
3778 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3779 symbol_get_tc (sym)->output = 1;
3781 symbol_get_tc (sym)->within = csect;
3783 ppc_frob_label (sym);
3785 ppc_current_block = sym;
3787 demand_empty_rest_of_line ();
3790 /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
3794 int ignore ATTRIBUTE_UNUSED;
3798 if (ppc_current_block == NULL)
3799 as_bad (_(".es without preceding .bs"));
3801 sym = symbol_make (".es");
3802 S_SET_SEGMENT (sym, now_seg);
3803 S_SET_STORAGE_CLASS (sym, C_ESTAT);
3804 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3805 symbol_get_tc (sym)->output = 1;
3807 ppc_frob_label (sym);
3809 ppc_current_block = NULL;
3811 demand_empty_rest_of_line ();
3814 /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a
3819 int ignore ATTRIBUTE_UNUSED;
3823 sym = symbol_make (".bb");
3824 S_SET_SEGMENT (sym, text_section);
3825 symbol_set_frag (sym, frag_now);
3826 S_SET_VALUE (sym, frag_now_fix ());
3827 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3829 S_SET_NUMBER_AUXILIARY (sym, 1);
3830 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3832 symbol_get_tc (sym)->output = 1;
3834 SF_SET_PROCESS (sym);
3836 ppc_frob_label (sym);
3838 demand_empty_rest_of_line ();
3841 /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a
3846 int ignore ATTRIBUTE_UNUSED;
3850 sym = symbol_make (".eb");
3851 S_SET_SEGMENT (sym, text_section);
3852 symbol_set_frag (sym, frag_now);
3853 S_SET_VALUE (sym, frag_now_fix ());
3854 S_SET_STORAGE_CLASS (sym, C_BLOCK);
3855 S_SET_NUMBER_AUXILIARY (sym, 1);
3856 SA_SET_SYM_LNNO (sym, get_absolute_expression ());
3857 symbol_get_tc (sym)->output = 1;
3859 SF_SET_PROCESS (sym);
3861 ppc_frob_label (sym);
3863 demand_empty_rest_of_line ();
3866 /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
3871 int ignore ATTRIBUTE_UNUSED;
3877 name = demand_copy_C_string (&len);
3878 sym = symbol_make (name);
3879 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3880 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3881 S_SET_STORAGE_CLASS (sym, C_BCOMM);
3882 S_SET_VALUE (sym, 0);
3883 symbol_get_tc (sym)->output = 1;
3885 ppc_frob_label (sym);
3887 demand_empty_rest_of_line ();
3890 /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
3894 int ignore ATTRIBUTE_UNUSED;
3898 sym = symbol_make (".ec");
3899 S_SET_SEGMENT (sym, ppc_coff_debug_section);
3900 symbol_get_bfdsym (sym)->flags |= BSF_DEBUGGING;
3901 S_SET_STORAGE_CLASS (sym, C_ECOMM);
3902 S_SET_VALUE (sym, 0);
3903 symbol_get_tc (sym)->output = 1;
3905 ppc_frob_label (sym);
3907 demand_empty_rest_of_line ();
3910 /* The .toc pseudo-op. Switch to the .toc subsegment. */
3914 int ignore ATTRIBUTE_UNUSED;
3916 if (ppc_toc_csect != (symbolS *) NULL)
3917 subseg_set (data_section, symbol_get_tc (ppc_toc_csect)->subseg);
3924 subseg = ppc_data_subsegment;
3925 ++ppc_data_subsegment;
3927 subseg_new (segment_name (data_section), subseg);
3928 ppc_toc_frag = frag_now;
3930 sym = symbol_find_or_make ("TOC[TC0]");
3931 symbol_set_frag (sym, frag_now);
3932 S_SET_SEGMENT (sym, data_section);
3933 S_SET_VALUE (sym, (valueT) frag_now_fix ());
3934 symbol_get_tc (sym)->subseg = subseg;
3935 symbol_get_tc (sym)->output = 1;
3936 symbol_get_tc (sym)->within = sym;
3938 ppc_toc_csect = sym;
3940 for (list = ppc_data_csects;
3941 symbol_get_tc (list)->next != (symbolS *) NULL;
3942 list = symbol_get_tc (list)->next)
3944 symbol_get_tc (list)->next = sym;
3946 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
3947 symbol_append (sym, symbol_get_tc (list)->within, &symbol_rootP,
3951 ppc_current_csect = ppc_toc_csect;
3953 demand_empty_rest_of_line ();
3956 /* The AIX assembler automatically aligns the operands of a .long or
3957 .short pseudo-op, and we want to be compatible. */
3960 ppc_xcoff_cons (log_size)
3963 frag_align (log_size, 0, 0);
3964 record_alignment (now_seg, log_size);
3965 cons (1 << log_size);
3970 int dummy ATTRIBUTE_UNUSED;
3975 (void) expression (&exp);
3977 if (exp.X_op != O_constant)
3979 as_bad (_("non-constant byte count"));
3983 byte_count = exp.X_add_number;
3985 if (*input_line_pointer != ',')
3987 as_bad (_("missing value"));
3991 ++input_line_pointer;
3995 #endif /* OBJ_XCOFF */
3996 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
3998 /* The .tc pseudo-op. This is used when generating either XCOFF or
3999 ELF. This takes two or more arguments.
4001 When generating XCOFF output, the first argument is the name to
4002 give to this location in the toc; this will be a symbol with class
4003 TC. The rest of the arguments are N-byte values to actually put at
4004 this location in the TOC; often there is just one more argument, a
4005 relocatable symbol reference. The size of the value to store
4006 depends on target word size. A 32-bit target uses 4-byte values, a
4007 64-bit target uses 8-byte values.
4009 When not generating XCOFF output, the arguments are the same, but
4010 the first argument is simply ignored. */
4014 int ignore ATTRIBUTE_UNUSED;
4018 /* Define the TOC symbol name. */
4024 if (ppc_toc_csect == (symbolS *) NULL
4025 || ppc_toc_csect != ppc_current_csect)
4027 as_bad (_(".tc not in .toc section"));
4028 ignore_rest_of_line ();
4032 name = input_line_pointer;
4033 endc = get_symbol_end ();
4035 sym = symbol_find_or_make (name);
4037 *input_line_pointer = endc;
4039 if (S_IS_DEFINED (sym))
4043 label = symbol_get_tc (ppc_current_csect)->within;
4044 if (symbol_get_tc (label)->class != XMC_TC0)
4046 as_bad (_(".tc with no label"));
4047 ignore_rest_of_line ();
4051 S_SET_SEGMENT (label, S_GET_SEGMENT (sym));
4052 symbol_set_frag (label, symbol_get_frag (sym));
4053 S_SET_VALUE (label, S_GET_VALUE (sym));
4055 while (! is_end_of_line[(unsigned char) *input_line_pointer])
4056 ++input_line_pointer;
4061 S_SET_SEGMENT (sym, now_seg);
4062 symbol_set_frag (sym, frag_now);
4063 S_SET_VALUE (sym, (valueT) frag_now_fix ());
4064 symbol_get_tc (sym)->class = XMC_TC;
4065 symbol_get_tc (sym)->output = 1;
4067 ppc_frob_label (sym);
4070 #endif /* OBJ_XCOFF */
4074 /* Skip the TOC symbol name. */
4075 while (is_part_of_name (*input_line_pointer)
4076 || *input_line_pointer == '['
4077 || *input_line_pointer == ']'
4078 || *input_line_pointer == '{'
4079 || *input_line_pointer == '}')
4080 ++input_line_pointer;
4082 /* Align to a four/eight byte boundary. */
4083 align = ppc_obj64 ? 3 : 2;
4084 frag_align (align, 0, 0);
4085 record_alignment (now_seg, align);
4086 #endif /* OBJ_ELF */
4088 if (*input_line_pointer != ',')
4089 demand_empty_rest_of_line ();
4092 ++input_line_pointer;
4093 cons (ppc_obj64 ? 8 : 4);
4097 /* Pseudo-op .machine. */
4100 ppc_machine (ignore)
4101 int ignore ATTRIBUTE_UNUSED;
4104 #define MAX_HISTORY 100
4105 static unsigned long *cpu_history;
4106 static int curr_hist;
4110 if (*input_line_pointer == '"')
4113 cpu_string = demand_copy_C_string (&len);
4118 cpu_string = input_line_pointer;
4119 c = get_symbol_end ();
4120 cpu_string = xstrdup (cpu_string);
4121 *input_line_pointer = c;
4124 if (cpu_string != NULL)
4126 unsigned long old_cpu = ppc_cpu;
4129 for (p = cpu_string; *p != 0; p++)
4132 if (strcmp (cpu_string, "push") == 0)
4134 if (cpu_history == NULL)
4135 cpu_history = xmalloc (MAX_HISTORY * sizeof (*cpu_history));
4137 if (curr_hist >= MAX_HISTORY)
4138 as_bad (_(".machine stack overflow"));
4140 cpu_history[curr_hist++] = ppc_cpu;
4142 else if (strcmp (cpu_string, "pop") == 0)
4145 as_bad (_(".machine stack underflow"));
4147 ppc_cpu = cpu_history[--curr_hist];
4149 else if (parse_cpu (cpu_string))
4152 as_bad (_("invalid machine `%s'"), cpu_string);
4154 if (ppc_cpu != old_cpu)
4155 ppc_setup_opcodes ();
4158 demand_empty_rest_of_line ();
4161 /* See whether a symbol is in the TOC section. */
4164 ppc_is_toc_sym (sym)
4168 return symbol_get_tc (sym)->class == XMC_TC;
4171 const char *sname = segment_name (S_GET_SEGMENT (sym));
4173 return strcmp (sname, ".toc") == 0;
4175 return strcmp (sname, ".got") == 0;
4178 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
4182 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
4184 /* Set the current section. */
4186 ppc_set_current_section (new)
4189 ppc_previous_section = ppc_current_section;
4190 ppc_current_section = new;
4193 /* pseudo-op: .previous
4194 behaviour: toggles the current section with the previous section.
4196 warnings: "No previous section" */
4199 ppc_previous (ignore)
4200 int ignore ATTRIBUTE_UNUSED;
4204 if (ppc_previous_section == NULL)
4206 as_warn (_("No previous section to return to. Directive ignored."));
4210 subseg_set (ppc_previous_section, 0);
4212 ppc_set_current_section (ppc_previous_section);
4215 /* pseudo-op: .pdata
4216 behaviour: predefined read only data section
4220 initial: .section .pdata "adr3"
4221 a - don't know -- maybe a misprint
4222 d - initialized data
4224 3 - double word aligned (that would be 4 byte boundary)
4227 Tag index tables (also known as the function table) for exception
4228 handling, debugging, etc. */
4232 int ignore ATTRIBUTE_UNUSED;
4234 if (pdata_section == 0)
4236 pdata_section = subseg_new (".pdata", 0);
4238 bfd_set_section_flags (stdoutput, pdata_section,
4239 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4240 | SEC_READONLY | SEC_DATA ));
4242 bfd_set_section_alignment (stdoutput, pdata_section, 2);
4246 pdata_section = subseg_new (".pdata", 0);
4248 ppc_set_current_section (pdata_section);
4251 /* pseudo-op: .ydata
4252 behaviour: predefined read only data section
4256 initial: .section .ydata "drw3"
4257 a - don't know -- maybe a misprint
4258 d - initialized data
4260 3 - double word aligned (that would be 4 byte boundary)
4262 Tag tables (also known as the scope table) for exception handling,
4267 int ignore ATTRIBUTE_UNUSED;
4269 if (ydata_section == 0)
4271 ydata_section = subseg_new (".ydata", 0);
4272 bfd_set_section_flags (stdoutput, ydata_section,
4273 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4274 | SEC_READONLY | SEC_DATA ));
4276 bfd_set_section_alignment (stdoutput, ydata_section, 3);
4280 ydata_section = subseg_new (".ydata", 0);
4282 ppc_set_current_section (ydata_section);
4285 /* pseudo-op: .reldata
4286 behaviour: predefined read write data section
4287 double word aligned (4-byte)
4288 FIXME: relocation is applied to it
4289 FIXME: what's the difference between this and .data?
4292 initial: .section .reldata "drw3"
4293 d - initialized data
4296 3 - double word aligned (that would be 8 byte boundary)
4299 Like .data, but intended to hold data subject to relocation, such as
4300 function descriptors, etc. */
4303 ppc_reldata (ignore)
4304 int ignore ATTRIBUTE_UNUSED;
4306 if (reldata_section == 0)
4308 reldata_section = subseg_new (".reldata", 0);
4310 bfd_set_section_flags (stdoutput, reldata_section,
4311 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4314 bfd_set_section_alignment (stdoutput, reldata_section, 2);
4318 reldata_section = subseg_new (".reldata", 0);
4320 ppc_set_current_section (reldata_section);
4323 /* pseudo-op: .rdata
4324 behaviour: predefined read only data section
4328 initial: .section .rdata "dr3"
4329 d - initialized data
4331 3 - double word aligned (that would be 4 byte boundary) */
4335 int ignore ATTRIBUTE_UNUSED;
4337 if (rdata_section == 0)
4339 rdata_section = subseg_new (".rdata", 0);
4340 bfd_set_section_flags (stdoutput, rdata_section,
4341 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4342 | SEC_READONLY | SEC_DATA ));
4344 bfd_set_section_alignment (stdoutput, rdata_section, 2);
4348 rdata_section = subseg_new (".rdata", 0);
4350 ppc_set_current_section (rdata_section);
4353 /* pseudo-op: .ualong
4354 behaviour: much like .int, with the exception that no alignment is
4356 FIXME: test the alignment statement
4362 int ignore ATTRIBUTE_UNUSED;
4368 /* pseudo-op: .znop <symbol name>
4369 behaviour: Issue a nop instruction
4370 Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
4371 the supplied symbol name.
4373 warnings: Missing symbol name */
4377 int ignore ATTRIBUTE_UNUSED;
4380 const struct powerpc_opcode *opcode;
4391 /* Strip out the symbol name. */
4392 symbol_name = input_line_pointer;
4393 c = get_symbol_end ();
4395 name = xmalloc (input_line_pointer - symbol_name + 1);
4396 strcpy (name, symbol_name);
4398 sym = symbol_find_or_make (name);
4400 *input_line_pointer = c;
4404 /* Look up the opcode in the hash table. */
4405 opcode = (const struct powerpc_opcode *) hash_find (ppc_hash, "nop");
4407 /* Stick in the nop. */
4408 insn = opcode->opcode;
4410 /* Write out the instruction. */
4412 md_number_to_chars (f, insn, 4);
4414 f - frag_now->fr_literal,
4419 BFD_RELOC_16_GOT_PCREL);
4432 register char *name;
4436 register symbolS *symbolP;
4439 name = input_line_pointer;
4440 c = get_symbol_end ();
4442 /* just after name is now '\0'. */
4443 p = input_line_pointer;
4446 if (*input_line_pointer != ',')
4448 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
4449 ignore_rest_of_line ();
4453 input_line_pointer++; /* skip ',' */
4454 if ((temp = get_absolute_expression ()) < 0)
4456 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp);
4457 ignore_rest_of_line ();
4463 /* The third argument to .comm is the alignment. */
4464 if (*input_line_pointer != ',')
4468 ++input_line_pointer;
4469 align = get_absolute_expression ();
4472 as_warn (_("ignoring bad alignment"));
4479 symbolP = symbol_find_or_make (name);
4482 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
4484 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
4485 S_GET_NAME (symbolP));
4486 ignore_rest_of_line ();
4490 if (S_GET_VALUE (symbolP))
4492 if (S_GET_VALUE (symbolP) != (valueT) temp)
4493 as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
4494 S_GET_NAME (symbolP),
4495 (long) S_GET_VALUE (symbolP),
4500 S_SET_VALUE (symbolP, (valueT) temp);
4501 S_SET_EXTERNAL (symbolP);
4502 S_SET_SEGMENT (symbolP, bfd_com_section_ptr);
4505 demand_empty_rest_of_line ();
4509 * implement the .section pseudo op:
4510 * .section name {, "flags"}
4512 * | +--- optional flags: 'b' for bss
4514 * +-- section name 'l' for lib
4518 * 'd' (apparently m88k for data)
4520 * But if the argument is not a quoted string, treat it as a
4521 * subsegment number.
4523 * FIXME: this is a copy of the section processing from obj-coff.c, with
4524 * additions/changes for the moto-pas assembler support. There are three
4527 * FIXME: I just noticed this. This doesn't work at all really. It it
4528 * setting bits that bfd probably neither understands or uses. The
4529 * correct approach (?) will have to incorporate extra fields attached
4530 * to the section to hold the system specific stuff. (krk)
4533 * 'a' - unknown - referred to in documentation, but no definition supplied
4534 * 'c' - section has code
4535 * 'd' - section has initialized data
4536 * 'u' - section has uninitialized data
4537 * 'i' - section contains directives (info)
4538 * 'n' - section can be discarded
4539 * 'R' - remove section at link time
4541 * Section Protection:
4542 * 'r' - section is readable
4543 * 'w' - section is writeable
4544 * 'x' - section is executable
4545 * 's' - section is sharable
4547 * Section Alignment:
4548 * '0' - align to byte boundary
4549 * '1' - align to halfword undary
4550 * '2' - align to word boundary
4551 * '3' - align to doubleword boundary
4552 * '4' - align to quadword boundary
4553 * '5' - align to 32 byte boundary
4554 * '6' - align to 64 byte boundary
4559 ppc_pe_section (ignore)
4560 int ignore ATTRIBUTE_UNUSED;
4562 /* Strip out the section name. */
4571 section_name = input_line_pointer;
4572 c = get_symbol_end ();
4574 name = xmalloc (input_line_pointer - section_name + 1);
4575 strcpy (name, section_name);
4577 *input_line_pointer = c;
4582 flags = SEC_NO_FLAGS;
4584 if (strcmp (name, ".idata$2") == 0)
4588 else if (strcmp (name, ".idata$3") == 0)
4592 else if (strcmp (name, ".idata$4") == 0)
4596 else if (strcmp (name, ".idata$5") == 0)
4600 else if (strcmp (name, ".idata$6") == 0)
4605 /* Default alignment to 16 byte boundary. */
4608 if (*input_line_pointer == ',')
4610 ++input_line_pointer;
4612 if (*input_line_pointer != '"')
4613 exp = get_absolute_expression ();
4616 ++input_line_pointer;
4617 while (*input_line_pointer != '"'
4618 && ! is_end_of_line[(unsigned char) *input_line_pointer])
4620 switch (*input_line_pointer)
4622 /* Section Contents */
4623 case 'a': /* unknown */
4624 as_bad (_("Unsupported section attribute -- 'a'"));
4626 case 'c': /* code section */
4629 case 'd': /* section has initialized data */
4632 case 'u': /* section has uninitialized data */
4633 /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
4637 case 'i': /* section contains directives (info) */
4638 /* FIXME: This is IMAGE_SCN_LNK_INFO
4640 flags |= SEC_HAS_CONTENTS;
4642 case 'n': /* section can be discarded */
4645 case 'R': /* Remove section at link time */
4646 flags |= SEC_NEVER_LOAD;
4649 /* Section Protection */
4650 case 'r': /* section is readable */
4651 flags |= IMAGE_SCN_MEM_READ;
4653 case 'w': /* section is writeable */
4654 flags |= IMAGE_SCN_MEM_WRITE;
4656 case 'x': /* section is executable */
4657 flags |= IMAGE_SCN_MEM_EXECUTE;
4659 case 's': /* section is sharable */
4660 flags |= IMAGE_SCN_MEM_SHARED;
4663 /* Section Alignment */
4664 case '0': /* align to byte boundary */
4665 flags |= IMAGE_SCN_ALIGN_1BYTES;
4668 case '1': /* align to halfword boundary */
4669 flags |= IMAGE_SCN_ALIGN_2BYTES;
4672 case '2': /* align to word boundary */
4673 flags |= IMAGE_SCN_ALIGN_4BYTES;
4676 case '3': /* align to doubleword boundary */
4677 flags |= IMAGE_SCN_ALIGN_8BYTES;
4680 case '4': /* align to quadword boundary */
4681 flags |= IMAGE_SCN_ALIGN_16BYTES;
4684 case '5': /* align to 32 byte boundary */
4685 flags |= IMAGE_SCN_ALIGN_32BYTES;
4688 case '6': /* align to 64 byte boundary */
4689 flags |= IMAGE_SCN_ALIGN_64BYTES;
4694 as_bad (_("unknown section attribute '%c'"),
4695 *input_line_pointer);
4698 ++input_line_pointer;
4700 if (*input_line_pointer == '"')
4701 ++input_line_pointer;
4705 sec = subseg_new (name, (subsegT) exp);
4707 ppc_set_current_section (sec);
4709 if (flags != SEC_NO_FLAGS)
4711 if (! bfd_set_section_flags (stdoutput, sec, flags))
4712 as_bad (_("error setting flags for \"%s\": %s"),
4713 bfd_section_name (stdoutput, sec),
4714 bfd_errmsg (bfd_get_error ()));
4717 bfd_set_section_alignment (stdoutput, sec, align);
4722 ppc_pe_function (ignore)
4723 int ignore ATTRIBUTE_UNUSED;
4729 name = input_line_pointer;
4730 endc = get_symbol_end ();
4732 ext_sym = symbol_find_or_make (name);
4734 *input_line_pointer = endc;
4736 S_SET_DATA_TYPE (ext_sym, DT_FCN << N_BTSHFT);
4737 SF_SET_FUNCTION (ext_sym);
4738 SF_SET_PROCESS (ext_sym);
4739 coff_add_linesym (ext_sym);
4741 demand_empty_rest_of_line ();
4745 ppc_pe_tocd (ignore)
4746 int ignore ATTRIBUTE_UNUSED;
4748 if (tocdata_section == 0)
4750 tocdata_section = subseg_new (".tocd", 0);
4751 /* FIXME: section flags won't work. */
4752 bfd_set_section_flags (stdoutput, tocdata_section,
4753 (SEC_ALLOC | SEC_LOAD | SEC_RELOC
4754 | SEC_READONLY | SEC_DATA));
4756 bfd_set_section_alignment (stdoutput, tocdata_section, 2);
4760 rdata_section = subseg_new (".tocd", 0);
4763 ppc_set_current_section (tocdata_section);
4765 demand_empty_rest_of_line ();
4768 /* Don't adjust TOC relocs to use the section symbol. */
4771 ppc_pe_fix_adjustable (fix)
4774 return fix->fx_r_type != BFD_RELOC_PPC_TOC16;
4781 /* XCOFF specific symbol and file handling. */
4783 /* Canonicalize the symbol name. We use the to force the suffix, if
4784 any, to use square brackets, and to be in upper case. */
4787 ppc_canonicalize_symbol_name (name)
4792 if (ppc_stab_symbol)
4795 for (s = name; *s != '\0' && *s != '{' && *s != '['; s++)
4809 for (s++; *s != '\0' && *s != brac; s++)
4812 if (*s == '\0' || s[1] != '\0')
4813 as_bad (_("bad symbol suffix"));
4821 /* Set the class of a symbol based on the suffix, if any. This is
4822 called whenever a new symbol is created. */
4825 ppc_symbol_new_hook (sym)
4828 struct ppc_tc_sy *tc;
4831 tc = symbol_get_tc (sym);
4835 tc->real_name = NULL;
4841 if (ppc_stab_symbol)
4844 s = strchr (S_GET_NAME (sym), '[');
4845 if (s == (const char *) NULL)
4847 /* There is no suffix. */
4856 if (strcmp (s, "BS]") == 0)
4860 if (strcmp (s, "DB]") == 0)
4862 else if (strcmp (s, "DS]") == 0)
4866 if (strcmp (s, "GL]") == 0)
4870 if (strcmp (s, "PR]") == 0)
4874 if (strcmp (s, "RO]") == 0)
4876 else if (strcmp (s, "RW]") == 0)
4880 if (strcmp (s, "SV]") == 0)
4884 if (strcmp (s, "TC]") == 0)
4886 else if (strcmp (s, "TI]") == 0)
4888 else if (strcmp (s, "TB]") == 0)
4890 else if (strcmp (s, "TC0]") == 0 || strcmp (s, "T0]") == 0)
4891 tc->class = XMC_TC0;
4894 if (strcmp (s, "UA]") == 0)
4896 else if (strcmp (s, "UC]") == 0)
4900 if (strcmp (s, "XO]") == 0)
4905 if (tc->class == -1)
4906 as_bad (_("Unrecognized symbol suffix"));
4909 /* Set the class of a label based on where it is defined. This
4910 handles symbols without suffixes. Also, move the symbol so that it
4911 follows the csect symbol. */
4914 ppc_frob_label (sym)
4917 if (ppc_current_csect != (symbolS *) NULL)
4919 if (symbol_get_tc (sym)->class == -1)
4920 symbol_get_tc (sym)->class = symbol_get_tc (ppc_current_csect)->class;
4922 symbol_remove (sym, &symbol_rootP, &symbol_lastP);
4923 symbol_append (sym, symbol_get_tc (ppc_current_csect)->within,
4924 &symbol_rootP, &symbol_lastP);
4925 symbol_get_tc (ppc_current_csect)->within = sym;
4929 dwarf2_emit_label (sym);
4933 /* This variable is set by ppc_frob_symbol if any absolute symbols are
4934 seen. It tells ppc_adjust_symtab whether it needs to look through
4937 static bfd_boolean ppc_saw_abs;
4939 /* Change the name of a symbol just before writing it out. Set the
4940 real name if the .rename pseudo-op was used. Otherwise, remove any
4941 class suffix. Return 1 if the symbol should not be included in the
4945 ppc_frob_symbol (sym)
4948 static symbolS *ppc_last_function;
4949 static symbolS *set_end;
4951 /* Discard symbols that should not be included in the output symbol
4953 if (! symbol_used_in_reloc_p (sym)
4954 && ((symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) != 0
4955 || (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
4956 && ! symbol_get_tc (sym)->output
4957 && S_GET_STORAGE_CLASS (sym) != C_FILE)))
4960 /* This one will disappear anyway. Don't make a csect sym for it. */
4961 if (sym == abs_section_sym)
4964 if (symbol_get_tc (sym)->real_name != (char *) NULL)
4965 S_SET_NAME (sym, symbol_get_tc (sym)->real_name);
4971 name = S_GET_NAME (sym);
4972 s = strchr (name, '[');
4973 if (s != (char *) NULL)
4979 snew = xmalloc (len + 1);
4980 memcpy (snew, name, len);
4983 S_SET_NAME (sym, snew);
4987 if (set_end != (symbolS *) NULL)
4989 SA_SET_SYM_ENDNDX (set_end, sym);
4993 if (SF_GET_FUNCTION (sym))
4995 if (ppc_last_function != (symbolS *) NULL)
4996 as_bad (_("two .function pseudo-ops with no intervening .ef"));
4997 ppc_last_function = sym;
4998 if (symbol_get_tc (sym)->size != (symbolS *) NULL)
5000 resolve_symbol_value (symbol_get_tc (sym)->size);
5001 SA_SET_SYM_FSIZE (sym,
5002 (long) S_GET_VALUE (symbol_get_tc (sym)->size));
5005 else if (S_GET_STORAGE_CLASS (sym) == C_FCN
5006 && strcmp (S_GET_NAME (sym), ".ef") == 0)
5008 if (ppc_last_function == (symbolS *) NULL)
5009 as_bad (_(".ef with no preceding .function"));
5012 set_end = ppc_last_function;
5013 ppc_last_function = NULL;
5015 /* We don't have a C_EFCN symbol, but we need to force the
5016 COFF backend to believe that it has seen one. */
5017 coff_last_function = NULL;
5021 if (! (S_IS_EXTERNAL (sym) || S_IS_WEAK (sym))
5022 && (symbol_get_bfdsym (sym)->flags & BSF_SECTION_SYM) == 0
5023 && S_GET_STORAGE_CLASS (sym) != C_FILE
5024 && S_GET_STORAGE_CLASS (sym) != C_FCN
5025 && S_GET_STORAGE_CLASS (sym) != C_BLOCK
5026 && S_GET_STORAGE_CLASS (sym) != C_BSTAT
5027 && S_GET_STORAGE_CLASS (sym) != C_ESTAT
5028 && S_GET_STORAGE_CLASS (sym) != C_BINCL
5029 && S_GET_STORAGE_CLASS (sym) != C_EINCL
5030 && S_GET_SEGMENT (sym) != ppc_coff_debug_section)
5031 S_SET_STORAGE_CLASS (sym, C_HIDEXT);
5033 if (S_GET_STORAGE_CLASS (sym) == C_EXT
5034 || S_GET_STORAGE_CLASS (sym) == C_HIDEXT)
5037 union internal_auxent *a;
5039 /* Create a csect aux. */
5040 i = S_GET_NUMBER_AUXILIARY (sym);
5041 S_SET_NUMBER_AUXILIARY (sym, i + 1);
5042 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].u.auxent;
5043 if (symbol_get_tc (sym)->class == XMC_TC0)
5045 /* This is the TOC table. */
5046 know (strcmp (S_GET_NAME (sym), "TOC") == 0);
5047 a->x_csect.x_scnlen.l = 0;
5048 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
5050 else if (symbol_get_tc (sym)->subseg != 0)
5052 /* This is a csect symbol. x_scnlen is the size of the
5054 if (symbol_get_tc (sym)->next == (symbolS *) NULL)
5055 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
5056 S_GET_SEGMENT (sym))
5057 - S_GET_VALUE (sym));
5060 resolve_symbol_value (symbol_get_tc (sym)->next);
5061 a->x_csect.x_scnlen.l = (S_GET_VALUE (symbol_get_tc (sym)->next)
5062 - S_GET_VALUE (sym));
5064 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_SD;
5066 else if (S_GET_SEGMENT (sym) == bss_section)
5068 /* This is a common symbol. */
5069 a->x_csect.x_scnlen.l = symbol_get_frag (sym)->fr_offset;
5070 a->x_csect.x_smtyp = (symbol_get_tc (sym)->align << 3) | XTY_CM;
5071 if (S_IS_EXTERNAL (sym))
5072 symbol_get_tc (sym)->class = XMC_RW;
5074 symbol_get_tc (sym)->class = XMC_BS;
5076 else if (S_GET_SEGMENT (sym) == absolute_section)
5078 /* This is an absolute symbol. The csect will be created by
5079 ppc_adjust_symtab. */
5081 a->x_csect.x_smtyp = XTY_LD;
5082 if (symbol_get_tc (sym)->class == -1)
5083 symbol_get_tc (sym)->class = XMC_XO;
5085 else if (! S_IS_DEFINED (sym))
5087 /* This is an external symbol. */
5088 a->x_csect.x_scnlen.l = 0;
5089 a->x_csect.x_smtyp = XTY_ER;
5091 else if (symbol_get_tc (sym)->class == XMC_TC)
5095 /* This is a TOC definition. x_scnlen is the size of the
5097 next = symbol_next (sym);
5098 while (symbol_get_tc (next)->class == XMC_TC0)
5099 next = symbol_next (next);
5100 if (next == (symbolS *) NULL
5101 || symbol_get_tc (next)->class != XMC_TC)
5103 if (ppc_after_toc_frag == (fragS *) NULL)
5104 a->x_csect.x_scnlen.l = (bfd_section_size (stdoutput,
5106 - S_GET_VALUE (sym));
5108 a->x_csect.x_scnlen.l = (ppc_after_toc_frag->fr_address
5109 - S_GET_VALUE (sym));
5113 resolve_symbol_value (next);
5114 a->x_csect.x_scnlen.l = (S_GET_VALUE (next)
5115 - S_GET_VALUE (sym));
5117 a->x_csect.x_smtyp = (2 << 3) | XTY_SD;
5123 /* This is a normal symbol definition. x_scnlen is the
5124 symbol index of the containing csect. */
5125 if (S_GET_SEGMENT (sym) == text_section)
5126 csect = ppc_text_csects;
5127 else if (S_GET_SEGMENT (sym) == data_section)
5128 csect = ppc_data_csects;
5132 /* Skip the initial dummy symbol. */
5133 csect = symbol_get_tc (csect)->next;
5135 if (csect == (symbolS *) NULL)
5137 as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym));
5138 a->x_csect.x_scnlen.l = 0;
5142 while (symbol_get_tc (csect)->next != (symbolS *) NULL)
5144 resolve_symbol_value (symbol_get_tc (csect)->next);
5145 if (S_GET_VALUE (symbol_get_tc (csect)->next)
5146 > S_GET_VALUE (sym))
5148 csect = symbol_get_tc (csect)->next;
5151 a->x_csect.x_scnlen.p =
5152 coffsymbol (symbol_get_bfdsym (csect))->native;
5153 coffsymbol (symbol_get_bfdsym (sym))->native[i + 1].fix_scnlen =
5156 a->x_csect.x_smtyp = XTY_LD;
5159 a->x_csect.x_parmhash = 0;
5160 a->x_csect.x_snhash = 0;
5161 if (symbol_get_tc (sym)->class == -1)
5162 a->x_csect.x_smclas = XMC_PR;
5164 a->x_csect.x_smclas = symbol_get_tc (sym)->class;
5165 a->x_csect.x_stab = 0;
5166 a->x_csect.x_snstab = 0;
5168 /* Don't let the COFF backend resort these symbols. */
5169 symbol_get_bfdsym (sym)->flags |= BSF_NOT_AT_END;
5171 else if (S_GET_STORAGE_CLASS (sym) == C_BSTAT)
5173 /* We want the value to be the symbol index of the referenced
5174 csect symbol. BFD will do that for us if we set the right
5176 asymbol *bsym = symbol_get_bfdsym (symbol_get_tc (sym)->within);
5177 combined_entry_type *c = coffsymbol (bsym)->native;
5179 S_SET_VALUE (sym, (valueT) (size_t) c);
5180 coffsymbol (symbol_get_bfdsym (sym))->native->fix_value = 1;
5182 else if (S_GET_STORAGE_CLASS (sym) == C_STSYM)
5187 /* The value is the offset from the enclosing csect. */
5188 block = symbol_get_tc (sym)->within;
5189 csect = symbol_get_tc (block)->within;
5190 resolve_symbol_value (csect);
5191 S_SET_VALUE (sym, S_GET_VALUE (sym) - S_GET_VALUE (csect));
5193 else if (S_GET_STORAGE_CLASS (sym) == C_BINCL
5194 || S_GET_STORAGE_CLASS (sym) == C_EINCL)
5196 /* We want the value to be a file offset into the line numbers.
5197 BFD will do that for us if we set the right flags. We have
5198 already set the value correctly. */
5199 coffsymbol (symbol_get_bfdsym (sym))->native->fix_line = 1;
5205 /* Adjust the symbol table. This creates csect symbols for all
5206 absolute symbols. */
5209 ppc_adjust_symtab ()
5216 for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
5220 union internal_auxent *a;
5222 if (S_GET_SEGMENT (sym) != absolute_section)
5225 csect = symbol_create (".abs[XO]", absolute_section,
5226 S_GET_VALUE (sym), &zero_address_frag);
5227 symbol_get_bfdsym (csect)->value = S_GET_VALUE (sym);
5228 S_SET_STORAGE_CLASS (csect, C_HIDEXT);
5229 i = S_GET_NUMBER_AUXILIARY (csect);
5230 S_SET_NUMBER_AUXILIARY (csect, i + 1);
5231 a = &coffsymbol (symbol_get_bfdsym (csect))->native[i + 1].u.auxent;
5232 a->x_csect.x_scnlen.l = 0;
5233 a->x_csect.x_smtyp = XTY_SD;
5234 a->x_csect.x_parmhash = 0;
5235 a->x_csect.x_snhash = 0;
5236 a->x_csect.x_smclas = XMC_XO;
5237 a->x_csect.x_stab = 0;
5238 a->x_csect.x_snstab = 0;
5240 symbol_insert (csect, sym, &symbol_rootP, &symbol_lastP);
5242 i = S_GET_NUMBER_AUXILIARY (sym);
5243 a = &coffsymbol (symbol_get_bfdsym (sym))->native[i].u.auxent;
5244 a->x_csect.x_scnlen.p = coffsymbol (symbol_get_bfdsym (csect))->native;
5245 coffsymbol (symbol_get_bfdsym (sym))->native[i].fix_scnlen = 1;
5248 ppc_saw_abs = FALSE;
5251 /* Set the VMA for a section. This is called on all the sections in
5255 ppc_frob_section (sec)
5258 static bfd_vma vma = 0;
5260 vma = md_section_align (sec, vma);
5261 bfd_set_section_vma (stdoutput, sec, vma);
5262 vma += bfd_section_size (stdoutput, sec);
5265 #endif /* OBJ_XCOFF */
5267 /* Turn a string in input_line_pointer into a floating point constant
5268 of type TYPE, and store the appropriate bytes in *LITP. The number
5269 of LITTLENUMS emitted is stored in *SIZEP. An error message is
5270 returned, or NULL on OK. */
5273 md_atof (type, litp, sizep)
5279 LITTLENUM_TYPE words[4];
5295 return _("bad call to md_atof");
5298 t = atof_ieee (input_line_pointer, type, words);
5300 input_line_pointer = t;
5304 if (target_big_endian)
5306 for (i = 0; i < prec; i++)
5308 md_number_to_chars (litp, (valueT) words[i], 2);
5314 for (i = prec - 1; i >= 0; i--)
5316 md_number_to_chars (litp, (valueT) words[i], 2);
5324 /* Write a value out to the object file, using the appropriate
5328 md_number_to_chars (buf, val, n)
5333 if (target_big_endian)
5334 number_to_chars_bigendian (buf, val, n);
5336 number_to_chars_littleendian (buf, val, n);
5339 /* Align a section (I don't know why this is machine dependent). */
5342 md_section_align (asection *seg ATTRIBUTE_UNUSED, valueT addr)
5347 int align = bfd_get_section_alignment (stdoutput, seg);
5349 return ((addr + (1 << align) - 1) & (-1 << align));
5353 /* We don't have any form of relaxing. */
5356 md_estimate_size_before_relax (fragp, seg)
5357 fragS *fragp ATTRIBUTE_UNUSED;
5358 asection *seg ATTRIBUTE_UNUSED;
5364 /* Convert a machine dependent frag. We never generate these. */
5367 md_convert_frag (abfd, sec, fragp)
5368 bfd *abfd ATTRIBUTE_UNUSED;
5369 asection *sec ATTRIBUTE_UNUSED;
5370 fragS *fragp ATTRIBUTE_UNUSED;
5375 /* We have no need to default values of symbols. */
5378 md_undefined_symbol (name)
5379 char *name ATTRIBUTE_UNUSED;
5384 /* Functions concerning relocs. */
5386 /* The location from which a PC relative jump should be calculated,
5387 given a PC relative reloc. */
5390 md_pcrel_from_section (fixp, sec)
5392 segT sec ATTRIBUTE_UNUSED;
5394 return fixp->fx_frag->fr_address + fixp->fx_where;
5399 /* This is called to see whether a fixup should be adjusted to use a
5400 section symbol. We take the opportunity to change a fixup against
5401 a symbol in the TOC subsegment into a reloc against the
5402 corresponding .tc symbol. */
5405 ppc_fix_adjustable (fix)
5408 valueT val = resolve_symbol_value (fix->fx_addsy);
5409 segT symseg = S_GET_SEGMENT (fix->fx_addsy);
5410 TC_SYMFIELD_TYPE *tc;
5412 if (symseg == absolute_section)
5415 if (ppc_toc_csect != (symbolS *) NULL
5416 && fix->fx_addsy != ppc_toc_csect
5417 && symseg == data_section
5418 && val >= ppc_toc_frag->fr_address
5419 && (ppc_after_toc_frag == (fragS *) NULL
5420 || val < ppc_after_toc_frag->fr_address))
5424 for (sy = symbol_next (ppc_toc_csect);
5425 sy != (symbolS *) NULL;
5426 sy = symbol_next (sy))
5428 TC_SYMFIELD_TYPE *sy_tc = symbol_get_tc (sy);
5430 if (sy_tc->class == XMC_TC0)
5432 if (sy_tc->class != XMC_TC)
5434 if (val == resolve_symbol_value (sy))
5437 fix->fx_addnumber = val - ppc_toc_frag->fr_address;
5442 as_bad_where (fix->fx_file, fix->fx_line,
5443 _("symbol in .toc does not match any .tc"));
5446 /* Possibly adjust the reloc to be against the csect. */
5447 tc = symbol_get_tc (fix->fx_addsy);
5449 && tc->class != XMC_TC0
5450 && tc->class != XMC_TC
5451 && symseg != bss_section
5452 /* Don't adjust if this is a reloc in the toc section. */
5453 && (symseg != data_section
5454 || ppc_toc_csect == NULL
5455 || val < ppc_toc_frag->fr_address
5456 || (ppc_after_toc_frag != NULL
5457 && val >= ppc_after_toc_frag->fr_address)))
5460 symbolS *next_csect;
5462 if (symseg == text_section)
5463 csect = ppc_text_csects;
5464 else if (symseg == data_section)
5465 csect = ppc_data_csects;
5469 /* Skip the initial dummy symbol. */
5470 csect = symbol_get_tc (csect)->next;
5472 if (csect != (symbolS *) NULL)
5474 while ((next_csect = symbol_get_tc (csect)->next) != (symbolS *) NULL
5475 && (symbol_get_frag (next_csect)->fr_address <= val))
5477 /* If the csect address equals the symbol value, then we
5478 have to look through the full symbol table to see
5479 whether this is the csect we want. Note that we will
5480 only get here if the csect has zero length. */
5481 if (symbol_get_frag (csect)->fr_address == val
5482 && S_GET_VALUE (csect) == val)
5486 for (scan = symbol_next (csect);
5488 scan = symbol_next (scan))
5490 if (symbol_get_tc (scan)->subseg != 0)
5492 if (scan == fix->fx_addsy)
5496 /* If we found the symbol before the next csect
5497 symbol, then this is the csect we want. */
5498 if (scan == fix->fx_addsy)
5505 fix->fx_offset += val - symbol_get_frag (csect)->fr_address;
5506 fix->fx_addsy = csect;
5511 /* Adjust a reloc against a .lcomm symbol to be against the base
5513 if (symseg == bss_section
5514 && ! S_IS_EXTERNAL (fix->fx_addsy))
5516 symbolS *sy = symbol_get_frag (fix->fx_addsy)->fr_symbol;
5518 fix->fx_offset += val - resolve_symbol_value (sy);
5525 /* A reloc from one csect to another must be kept. The assembler
5526 will, of course, keep relocs between sections, and it will keep
5527 absolute relocs, but we need to force it to keep PC relative relocs
5528 between two csects in the same section. */
5531 ppc_force_relocation (fix)
5534 /* At this point fix->fx_addsy should already have been converted to
5535 a csect symbol. If the csect does not include the fragment, then
5536 we need to force the relocation. */
5538 && fix->fx_addsy != NULL
5539 && symbol_get_tc (fix->fx_addsy)->subseg != 0
5540 && ((symbol_get_frag (fix->fx_addsy)->fr_address
5541 > fix->fx_frag->fr_address)
5542 || (symbol_get_tc (fix->fx_addsy)->next != NULL
5543 && (symbol_get_frag (symbol_get_tc (fix->fx_addsy)->next)->fr_address
5544 <= fix->fx_frag->fr_address))))
5547 return generic_force_reloc (fix);
5550 #endif /* OBJ_XCOFF */
5553 /* If this function returns non-zero, it guarantees that a relocation
5554 will be emitted for a fixup. */
5557 ppc_force_relocation (fix)
5560 /* Branch prediction relocations must force a relocation, as must
5561 the vtable description relocs. */
5562 switch (fix->fx_r_type)
5564 case BFD_RELOC_PPC_B16_BRTAKEN:
5565 case BFD_RELOC_PPC_B16_BRNTAKEN:
5566 case BFD_RELOC_PPC_BA16_BRTAKEN:
5567 case BFD_RELOC_PPC_BA16_BRNTAKEN:
5568 case BFD_RELOC_24_PLT_PCREL:
5569 case BFD_RELOC_PPC64_TOC:
5575 if (fix->fx_r_type >= BFD_RELOC_PPC_TLS
5576 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA)
5579 return generic_force_reloc (fix);
5583 ppc_fix_adjustable (fix)
5586 return (fix->fx_r_type != BFD_RELOC_16_GOTOFF
5587 && fix->fx_r_type != BFD_RELOC_LO16_GOTOFF
5588 && fix->fx_r_type != BFD_RELOC_HI16_GOTOFF
5589 && fix->fx_r_type != BFD_RELOC_HI16_S_GOTOFF
5590 && fix->fx_r_type != BFD_RELOC_GPREL16
5591 && fix->fx_r_type != BFD_RELOC_VTABLE_INHERIT
5592 && fix->fx_r_type != BFD_RELOC_VTABLE_ENTRY
5593 && !(fix->fx_r_type >= BFD_RELOC_PPC_TLS
5594 && fix->fx_r_type <= BFD_RELOC_PPC64_DTPREL16_HIGHESTA));
5598 /* Implement HANDLE_ALIGN. This writes the NOP pattern into an
5599 rs_align_code frag. */
5602 ppc_handle_align (struct frag *fragP)
5604 valueT count = (fragP->fr_next->fr_address
5605 - (fragP->fr_address + fragP->fr_fix));
5607 if (count != 0 && (count & 3) == 0)
5609 char *dest = fragP->fr_literal + fragP->fr_fix;
5612 md_number_to_chars (dest, 0x60000000, 4);
5614 if ((ppc_cpu & PPC_OPCODE_POWER6) != 0)
5616 /* For power6, we want the last nop to be a group terminating
5617 one, "ori 1,1,0". Do this by inserting an rs_fill frag
5618 immediately after this one, with its address set to the last
5619 nop location. This will automatically reduce the number of
5620 nops in the current frag by one. */
5623 struct frag *group_nop = xmalloc (SIZEOF_STRUCT_FRAG + 4);
5625 memcpy (group_nop, fragP, SIZEOF_STRUCT_FRAG);
5626 group_nop->fr_address = group_nop->fr_next->fr_address - 4;
5627 group_nop->fr_fix = 0;
5628 group_nop->fr_offset = 1;
5629 group_nop->fr_type = rs_fill;
5630 fragP->fr_next = group_nop;
5631 dest = group_nop->fr_literal;
5634 md_number_to_chars (dest, 0x60210000, 4);
5639 /* Apply a fixup to the object code. This is called for all the
5640 fixups we generated by the call to fix_new_exp, above. In the call
5641 above we used a reloc code which was the largest legal reloc code
5642 plus the operand index. Here we undo that to recover the operand
5643 index. At this point all symbol values should be fully resolved,
5644 and we attempt to completely resolve the reloc. If we can not do
5645 that, we determine the correct reloc code and put it back in the
5649 md_apply_fix (fixP, valP, seg)
5652 segT seg ATTRIBUTE_UNUSED;
5654 valueT value = * valP;
5657 if (fixP->fx_addsy != NULL)
5659 /* Hack around bfd_install_relocation brain damage. */
5661 value += fixP->fx_frag->fr_address + fixP->fx_where;
5666 /* FIXME FIXME FIXME: The value we are passed in *valP includes
5667 the symbol values. If we are doing this relocation the code in
5668 write.c is going to call bfd_install_relocation, which is also
5669 going to use the symbol value. That means that if the reloc is
5670 fully resolved we want to use *valP since bfd_install_relocation is
5672 However, if the reloc is not fully resolved we do not want to use
5673 *valP, and must use fx_offset instead. However, if the reloc
5674 is PC relative, we do want to use *valP since it includes the
5675 result of md_pcrel_from. This is confusing. */
5676 if (fixP->fx_addsy == (symbolS *) NULL)
5679 else if (fixP->fx_pcrel)
5683 value = fixP->fx_offset;
5686 if (fixP->fx_subsy != (symbolS *) NULL)
5688 /* We can't actually support subtracting a symbol. */
5689 as_bad_where (fixP->fx_file, fixP->fx_line, _("expression too complex"));
5692 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
5695 const struct powerpc_operand *operand;
5699 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
5701 operand = &powerpc_operands[opindex];
5704 /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
5705 does not generate a reloc. It uses the offset of `sym' within its
5706 csect. Other usages, such as `.long sym', generate relocs. This
5707 is the documented behaviour of non-TOC symbols. */
5708 if ((operand->flags & PPC_OPERAND_PARENS) != 0
5709 && (operand->bitm & 0xfff0) == 0xfff0
5710 && operand->shift == 0
5711 && (operand->insert == NULL || ppc_obj64)
5712 && fixP->fx_addsy != NULL
5713 && symbol_get_tc (fixP->fx_addsy)->subseg != 0
5714 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC
5715 && symbol_get_tc (fixP->fx_addsy)->class != XMC_TC0
5716 && S_GET_SEGMENT (fixP->fx_addsy) != bss_section)
5718 value = fixP->fx_offset;
5723 /* Fetch the instruction, insert the fully resolved operand
5724 value, and stuff the instruction back again. */
5725 where = fixP->fx_frag->fr_literal + fixP->fx_where;
5726 if (target_big_endian)
5727 insn = bfd_getb32 ((unsigned char *) where);
5729 insn = bfd_getl32 ((unsigned char *) where);
5730 insn = ppc_insert_operand (insn, operand, (offsetT) value,
5731 fixP->fx_file, fixP->fx_line);
5732 if (target_big_endian)
5733 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
5735 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
5738 /* Nothing else to do here. */
5741 assert (fixP->fx_addsy != NULL);
5743 /* Determine a BFD reloc value based on the operand information.
5744 We are only prepared to turn a few of the operands into
5746 if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5747 && operand->bitm == 0x3fffffc
5748 && operand->shift == 0)
5749 fixP->fx_r_type = BFD_RELOC_PPC_B26;
5750 else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0
5751 && operand->bitm == 0xfffc
5752 && operand->shift == 0)
5754 fixP->fx_r_type = BFD_RELOC_PPC_B16;
5757 if (target_big_endian)
5758 fixP->fx_where += 2;
5761 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5762 && operand->bitm == 0x3fffffc
5763 && operand->shift == 0)
5764 fixP->fx_r_type = BFD_RELOC_PPC_BA26;
5765 else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0
5766 && operand->bitm == 0xfffc
5767 && operand->shift == 0)
5769 fixP->fx_r_type = BFD_RELOC_PPC_BA16;
5772 if (target_big_endian)
5773 fixP->fx_where += 2;
5776 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
5777 else if ((operand->flags & PPC_OPERAND_PARENS) != 0
5778 && (operand->bitm & 0xfff0) == 0xfff0
5779 && operand->shift == 0)
5781 if (ppc_is_toc_sym (fixP->fx_addsy))
5783 fixP->fx_r_type = BFD_RELOC_PPC_TOC16;
5786 && (operand->flags & PPC_OPERAND_DS) != 0)
5787 fixP->fx_r_type = BFD_RELOC_PPC64_TOC16_DS;
5792 fixP->fx_r_type = BFD_RELOC_16;
5795 && (operand->flags & PPC_OPERAND_DS) != 0)
5796 fixP->fx_r_type = BFD_RELOC_PPC64_ADDR16_DS;
5800 if (target_big_endian)
5801 fixP->fx_where += 2;
5803 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
5809 /* Use expr_symbol_where to see if this is an expression
5811 if (expr_symbol_where (fixP->fx_addsy, &sfile, &sline))
5812 as_bad_where (fixP->fx_file, fixP->fx_line,
5813 _("unresolved expression that must be resolved"));
5815 as_bad_where (fixP->fx_file, fixP->fx_line,
5816 _("unsupported relocation against %s"),
5817 S_GET_NAME (fixP->fx_addsy));
5825 ppc_elf_validate_fix (fixP, seg);
5827 switch (fixP->fx_r_type)
5829 case BFD_RELOC_CTOR:
5836 fixP->fx_r_type = BFD_RELOC_32_PCREL;
5840 case BFD_RELOC_32_PCREL:
5841 case BFD_RELOC_PPC_EMB_NADDR32:
5842 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5849 fixP->fx_r_type = BFD_RELOC_64_PCREL;
5852 case BFD_RELOC_64_PCREL:
5853 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5857 case BFD_RELOC_GPREL16:
5858 case BFD_RELOC_16_GOT_PCREL:
5859 case BFD_RELOC_16_GOTOFF:
5860 case BFD_RELOC_LO16_GOTOFF:
5861 case BFD_RELOC_HI16_GOTOFF:
5862 case BFD_RELOC_HI16_S_GOTOFF:
5863 case BFD_RELOC_16_BASEREL:
5864 case BFD_RELOC_LO16_BASEREL:
5865 case BFD_RELOC_HI16_BASEREL:
5866 case BFD_RELOC_HI16_S_BASEREL:
5867 case BFD_RELOC_PPC_EMB_NADDR16:
5868 case BFD_RELOC_PPC_EMB_NADDR16_LO:
5869 case BFD_RELOC_PPC_EMB_NADDR16_HI:
5870 case BFD_RELOC_PPC_EMB_NADDR16_HA:
5871 case BFD_RELOC_PPC_EMB_SDAI16:
5872 case BFD_RELOC_PPC_EMB_SDA2REL:
5873 case BFD_RELOC_PPC_EMB_SDA2I16:
5874 case BFD_RELOC_PPC_EMB_RELSEC16:
5875 case BFD_RELOC_PPC_EMB_RELST_LO:
5876 case BFD_RELOC_PPC_EMB_RELST_HI:
5877 case BFD_RELOC_PPC_EMB_RELST_HA:
5878 case BFD_RELOC_PPC_EMB_RELSDA:
5879 case BFD_RELOC_PPC_TOC16:
5881 case BFD_RELOC_PPC64_TOC16_LO:
5882 case BFD_RELOC_PPC64_TOC16_HI:
5883 case BFD_RELOC_PPC64_TOC16_HA:
5887 if (fixP->fx_addsy != NULL)
5888 as_bad_where (fixP->fx_file, fixP->fx_line,
5889 _("cannot emit PC relative %s relocation against %s"),
5890 bfd_get_reloc_code_name (fixP->fx_r_type),
5891 S_GET_NAME (fixP->fx_addsy));
5893 as_bad_where (fixP->fx_file, fixP->fx_line,
5894 _("cannot emit PC relative %s relocation"),
5895 bfd_get_reloc_code_name (fixP->fx_r_type));
5898 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5904 fixP->fx_r_type = BFD_RELOC_16_PCREL;
5907 case BFD_RELOC_16_PCREL:
5908 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5912 case BFD_RELOC_LO16:
5914 fixP->fx_r_type = BFD_RELOC_LO16_PCREL;
5917 case BFD_RELOC_LO16_PCREL:
5918 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5922 /* This case happens when you write, for example,
5924 where L1 and L2 are defined later. */
5925 case BFD_RELOC_HI16:
5927 fixP->fx_r_type = BFD_RELOC_HI16_PCREL;
5930 case BFD_RELOC_HI16_PCREL:
5931 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5935 case BFD_RELOC_HI16_S:
5937 fixP->fx_r_type = BFD_RELOC_HI16_S_PCREL;
5940 case BFD_RELOC_HI16_S_PCREL:
5941 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5946 case BFD_RELOC_PPC64_HIGHER:
5949 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5950 PPC_HIGHER (value), 2);
5953 case BFD_RELOC_PPC64_HIGHER_S:
5956 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5957 PPC_HIGHERA (value), 2);
5960 case BFD_RELOC_PPC64_HIGHEST:
5963 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5964 PPC_HIGHEST (value), 2);
5967 case BFD_RELOC_PPC64_HIGHEST_S:
5970 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
5971 PPC_HIGHESTA (value), 2);
5974 case BFD_RELOC_PPC64_ADDR16_DS:
5975 case BFD_RELOC_PPC64_ADDR16_LO_DS:
5976 case BFD_RELOC_PPC64_GOT16_DS:
5977 case BFD_RELOC_PPC64_GOT16_LO_DS:
5978 case BFD_RELOC_PPC64_PLT16_LO_DS:
5979 case BFD_RELOC_PPC64_SECTOFF_DS:
5980 case BFD_RELOC_PPC64_SECTOFF_LO_DS:
5981 case BFD_RELOC_PPC64_TOC16_DS:
5982 case BFD_RELOC_PPC64_TOC16_LO_DS:
5983 case BFD_RELOC_PPC64_PLTGOT16_DS:
5984 case BFD_RELOC_PPC64_PLTGOT16_LO_DS:
5988 char *where = fixP->fx_frag->fr_literal + fixP->fx_where;
5989 unsigned long val, mask;
5991 if (target_big_endian)
5992 val = bfd_getb32 (where - 2);
5994 val = bfd_getl32 (where);
5996 /* lq insns reserve the four lsbs. */
5997 if ((ppc_cpu & PPC_OPCODE_POWER4) != 0
5998 && (val & (0x3f << 26)) == (56u << 26))
6000 val |= value & mask;
6001 if (target_big_endian)
6002 bfd_putb16 ((bfd_vma) val, where);
6004 bfd_putl16 ((bfd_vma) val, where);
6008 case BFD_RELOC_PPC_B16_BRTAKEN:
6009 case BFD_RELOC_PPC_B16_BRNTAKEN:
6010 case BFD_RELOC_PPC_BA16_BRTAKEN:
6011 case BFD_RELOC_PPC_BA16_BRNTAKEN:
6014 case BFD_RELOC_PPC_TLS:
6017 case BFD_RELOC_PPC_DTPMOD:
6018 case BFD_RELOC_PPC_TPREL16:
6019 case BFD_RELOC_PPC_TPREL16_LO:
6020 case BFD_RELOC_PPC_TPREL16_HI:
6021 case BFD_RELOC_PPC_TPREL16_HA:
6022 case BFD_RELOC_PPC_TPREL:
6023 case BFD_RELOC_PPC_DTPREL16:
6024 case BFD_RELOC_PPC_DTPREL16_LO:
6025 case BFD_RELOC_PPC_DTPREL16_HI:
6026 case BFD_RELOC_PPC_DTPREL16_HA:
6027 case BFD_RELOC_PPC_DTPREL:
6028 case BFD_RELOC_PPC_GOT_TLSGD16:
6029 case BFD_RELOC_PPC_GOT_TLSGD16_LO:
6030 case BFD_RELOC_PPC_GOT_TLSGD16_HI:
6031 case BFD_RELOC_PPC_GOT_TLSGD16_HA:
6032 case BFD_RELOC_PPC_GOT_TLSLD16:
6033 case BFD_RELOC_PPC_GOT_TLSLD16_LO:
6034 case BFD_RELOC_PPC_GOT_TLSLD16_HI:
6035 case BFD_RELOC_PPC_GOT_TLSLD16_HA:
6036 case BFD_RELOC_PPC_GOT_TPREL16:
6037 case BFD_RELOC_PPC_GOT_TPREL16_LO:
6038 case BFD_RELOC_PPC_GOT_TPREL16_HI:
6039 case BFD_RELOC_PPC_GOT_TPREL16_HA:
6040 case BFD_RELOC_PPC_GOT_DTPREL16:
6041 case BFD_RELOC_PPC_GOT_DTPREL16_LO:
6042 case BFD_RELOC_PPC_GOT_DTPREL16_HI:
6043 case BFD_RELOC_PPC_GOT_DTPREL16_HA:
6044 case BFD_RELOC_PPC64_TPREL16_DS:
6045 case BFD_RELOC_PPC64_TPREL16_LO_DS:
6046 case BFD_RELOC_PPC64_TPREL16_HIGHER:
6047 case BFD_RELOC_PPC64_TPREL16_HIGHERA:
6048 case BFD_RELOC_PPC64_TPREL16_HIGHEST:
6049 case BFD_RELOC_PPC64_TPREL16_HIGHESTA:
6050 case BFD_RELOC_PPC64_DTPREL16_DS:
6051 case BFD_RELOC_PPC64_DTPREL16_LO_DS:
6052 case BFD_RELOC_PPC64_DTPREL16_HIGHER:
6053 case BFD_RELOC_PPC64_DTPREL16_HIGHERA:
6054 case BFD_RELOC_PPC64_DTPREL16_HIGHEST:
6055 case BFD_RELOC_PPC64_DTPREL16_HIGHESTA:
6056 S_SET_THREAD_LOCAL (fixP->fx_addsy);
6059 /* Because SDA21 modifies the register field, the size is set to 4
6060 bytes, rather than 2, so offset it here appropriately. */
6061 case BFD_RELOC_PPC_EMB_SDA21:
6065 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where
6066 + ((target_big_endian) ? 2 : 0),
6073 /* This can occur if there is a bug in the input assembler, eg:
6074 ".byte <undefined_symbol> - ." */
6076 as_bad (_("Unable to handle reference to symbol %s"),
6077 S_GET_NAME (fixP->fx_addsy));
6079 as_bad (_("Unable to resolve expression"));
6083 md_number_to_chars (fixP->fx_frag->fr_literal + fixP->fx_where,
6087 case BFD_RELOC_24_PLT_PCREL:
6088 case BFD_RELOC_PPC_LOCAL24PC:
6089 if (!fixP->fx_pcrel && !fixP->fx_done)
6097 /* Fetch the instruction, insert the fully resolved operand
6098 value, and stuff the instruction back again. */
6099 where = fixP->fx_frag->fr_literal + fixP->fx_where;
6100 if (target_big_endian)
6101 insn = bfd_getb32 ((unsigned char *) where);
6103 insn = bfd_getl32 ((unsigned char *) where);
6104 if ((value & 3) != 0)
6105 as_bad_where (fixP->fx_file, fixP->fx_line,
6106 _("must branch to an address a multiple of 4"));
6107 if ((offsetT) value < -0x40000000
6108 || (offsetT) value >= 0x40000000)
6109 as_bad_where (fixP->fx_file, fixP->fx_line,
6110 _("@local or @plt branch destination is too far away, %ld bytes"),
6112 insn = insn | (value & 0x03fffffc);
6113 if (target_big_endian)
6114 bfd_putb32 ((bfd_vma) insn, (unsigned char *) where);
6116 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
6120 case BFD_RELOC_VTABLE_INHERIT:
6123 && !S_IS_DEFINED (fixP->fx_addsy)
6124 && !S_IS_WEAK (fixP->fx_addsy))
6125 S_SET_WEAK (fixP->fx_addsy);
6128 case BFD_RELOC_VTABLE_ENTRY:
6133 /* Generated by reference to `sym@tocbase'. The sym is
6134 ignored by the linker. */
6135 case BFD_RELOC_PPC64_TOC:
6141 _("Gas failure, reloc value %d\n"), fixP->fx_r_type);
6148 fixP->fx_addnumber = value;
6150 /* PowerPC uses RELA relocs, ie. the reloc addend is stored separately
6151 from the section contents. If we are going to be emitting a reloc
6152 then the section contents are immaterial, so don't warn if they
6153 happen to overflow. Leave such warnings to ld. */
6155 fixP->fx_no_overflow = 1;
6157 if (fixP->fx_r_type != BFD_RELOC_PPC_TOC16)
6158 fixP->fx_addnumber = 0;
6162 fixP->fx_addnumber = 0;
6164 /* We want to use the offset within the data segment of the
6165 symbol, not the actual VMA of the symbol. */
6166 fixP->fx_addnumber =
6167 - bfd_get_section_vma (stdoutput, S_GET_SEGMENT (fixP->fx_addsy));
6173 /* Generate a reloc for a fixup. */
6176 tc_gen_reloc (seg, fixp)
6177 asection *seg ATTRIBUTE_UNUSED;
6182 reloc = (arelent *) xmalloc (sizeof (arelent));
6184 reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
6185 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
6186 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
6187 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
6188 if (reloc->howto == (reloc_howto_type *) NULL)
6190 as_bad_where (fixp->fx_file, fixp->fx_line,
6191 _("reloc %d not supported by object file format"),
6192 (int) fixp->fx_r_type);
6195 reloc->addend = fixp->fx_addnumber;
6201 ppc_cfi_frame_initial_instructions ()
6203 cfi_add_CFA_def_cfa (1, 0);
6207 tc_ppc_regname_to_dw2regnum (char *regname)
6209 unsigned int regnum = -1;
6213 static struct { char *name; int dw2regnum; } regnames[] =
6215 { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
6216 { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
6217 { "cr", 70 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
6218 { "spe_acc", 111 }, { "spefscr", 112 }
6221 for (i = 0; i < ARRAY_SIZE (regnames); ++i)
6222 if (strcmp (regnames[i].name, regname) == 0)
6223 return regnames[i].dw2regnum;
6225 if (regname[0] == 'r' || regname[0] == 'f' || regname[0] == 'v')
6227 p = regname + 1 + (regname[1] == '.');
6228 regnum = strtoul (p, &q, 10);
6229 if (p == q || *q || regnum >= 32)
6231 if (regname[0] == 'f')
6233 else if (regname[0] == 'v')
6236 else if (regname[0] == 'c' && regname[1] == 'r')
6238 p = regname + 2 + (regname[2] == '.');
6239 if (p[0] < '0' || p[0] > '7' || p[1])
6241 regnum = p[0] - '0' + 68;