From cd557d83d6184a7cec16e435713abf6d12ab7292 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Wed, 4 Oct 1995 18:05:59 +0000 Subject: [PATCH] * config/tc-ppc.c (ppc_frob_symbol): Don't create an aux entry for an absolute symbol. --- gas/ChangeLog | 8 +++ gas/config/tc-ppc.c | 191 ++++++++++++++++++---------------------------------- 2 files changed, 75 insertions(+), 124 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index 844e922..d4182df 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,13 @@ +Wed Oct 4 14:03:39 1995 Ian Lance Taylor + + * config/tc-ppc.c (ppc_frob_symbol): Don't create an aux entry for + an absolute symbol. + Tue Oct 3 12:18:19 1995 Ian Lance Taylor + * config/tc-m68k.c (isbyte): Accept all values from -65536 to + +65535, so ~VAL will not be rejected. + * cond.c (s_endif): Call demand_empty_rest_of_line. In MRI mode, skip characters after the pseudo-op. (s_else): Likewise. diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index bd09149..0aae674 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -29,6 +29,10 @@ #include "elf/ppc.h" #endif +#ifdef TE_PE +#include "coff/pe.h" +#endif + /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */ /* Tell the main code what the endianness is. */ @@ -320,49 +324,6 @@ reg_name_search (name) return -1; } -static void insert_reg PARAMS ( (char *regname, int regnum) ); - -static void -insert_reg (regname, regnum) - char *regname; - int regnum; -{ - char buf[100]; - int i; - - symbol_table_insert ( - symbol_new (regname, - reg_section, - regnum, - &zero_address_frag) - ); - - for (i = 0; regname[i]; i++) - { - buf[i] = islower (regname[i]) ? toupper (regname[i]) : regname[i]; - } - - buf[i] = '\0'; - - symbol_table_insert ( - symbol_new (buf, - reg_section, - regnum, - &zero_address_frag) - ); -} - -static void -init_regtable () -{ - unsigned int i; - - for (i = 0; i < REG_NAME_CNT && pre_defined_registers[i].name ; ++i) - { - insert_reg (pre_defined_registers[i].name, - pre_defined_registers[i].value); - } -} #endif @@ -734,13 +695,6 @@ md_begin () #ifdef TE_PE -#ifndef NO_SYMBOL_NAMES - /* FIXME: currently, if you enable the names, you cannot have variables - with the same names as the symbolic register names. - */ - init_regtable (); -#endif - ppc_current_section = text_section; ppc_previous_section = 0; @@ -961,6 +915,55 @@ ppc_elf_validate_fix (fixp, seg) #endif /* OBJ_ELF */ +#ifdef TE_PE +/* + * Summary of register_name(). + * + * in: Input_line_pointer points to 1st char of operand. + * + * out: A expressionS. + * The operand may have been a register: in this case, X_op == O_register, + * X_add_number is set to the register number, and truth is returned. + * Input_line_pointer->(next non-blank) char after operand, or is in its + * original state. + */ + +static int +register_name (expressionP) + expressionS *expressionP; +{ + int reg_number; + char *name; + char c; + + /* Find the spelling of the operand */ + name = input_line_pointer; + c = get_symbol_end (); + reg_number = reg_name_search (name); + + /* look to see if it's in the register table */ + if (reg_number >= 0) + { + expressionP->X_op = O_register; + expressionP->X_add_number = reg_number; + + /* make the rest nice */ + expressionP->X_add_symbol = NULL; + expressionP->X_op_symbol = NULL; + *input_line_pointer = c; /* put back the delimiting char */ + return 1; + } + else + { + /* reset the line as if we had not done anything */ + *input_line_pointer = c; /* put back the delimiting char */ + input_line_pointer = name; /* reset input_line pointer */ + return 0; + } +} +#endif + + /* We need to keep a list of fixups. We can't simply generate them as we go, because that would require us to first create the frag, and that would screw up references to ``.''. */ @@ -1182,7 +1185,10 @@ md_assemble (str) } else { - expression (&ex); + if (!register_name(&ex)) + { + expression (&ex); + } } str = input_line_pointer; @@ -2371,50 +2377,10 @@ ppc_tc (ignore) } #ifdef TE_PE -/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */ - -/* - * Section characteristics - */ - -#define IMAGE_SCN_TYPE_NO_PAD 0x00000008 /* Reserved. */ -#define IMAGE_SCN_CNT_CODE 0x00000020 /* Section contains code. */ -#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 /* Section contains initialized data. */ -#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 /* Section contains uninitialized data. */ - -#define IMAGE_SCN_LNK_OTHER 0x00000100 /* Reserved. */ -#define IMAGE_SCN_LNK_INFO 0x00000200 /* Section contains comments or some other type of information. */ -#define IMAGE_SCN_LNK_REMOVE 0x00000800 /* Section contents will not become part of image. */ -#define IMAGE_SCN_LNK_COMDAT 0x00001000 /* Section contents comdat. */ - -#define IMAGE_SCN_MEM_FARDATA 0x00008000 - -#define IMAGE_SCN_MEM_PURGEABLE 0x00020000 -#define IMAGE_SCN_MEM_16BIT 0x00020000 -#define IMAGE_SCN_MEM_LOCKED 0x00040000 -#define IMAGE_SCN_MEM_PRELOAD 0x00080000 - -#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 -#define IMAGE_SCN_ALIGN_2BYTES 0x00200000 -#define IMAGE_SCN_ALIGN_4BYTES 0x00300000 -#define IMAGE_SCN_ALIGN_8BYTES 0x00400000 -#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */ -#define IMAGE_SCN_ALIGN_32BYTES 0x00600000 -#define IMAGE_SCN_ALIGN_64BYTES 0x00700000 - - -#define IMAGE_SCN_LNK_NRELOC_OVFL 0x01000000 /* Section contains extended relocations. */ -#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 /* Section can be discarded. */ -#define IMAGE_SCN_MEM_NOT_CACHED 0x04000000 /* Section is not cachable. */ -#define IMAGE_SCN_MEM_NOT_PAGED 0x08000000 /* Section is not pageable. */ -#define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */ -#define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* Section is executable. */ -#define IMAGE_SCN_MEM_READ 0x40000000 /* Section is readable. */ -#define IMAGE_SCN_MEM_WRITE 0x80000000 /* Section is writeable. */ +/* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format */ /* Set the current section. */ - static void ppc_set_current_section (new) segT new; @@ -2758,6 +2724,11 @@ ppc_pe_comm(lcomm) * additions/changes for the moto-pas assembler support. There are three * categories: * + * FIXME: I just noticed this. This doesn't work at all really. It it + * setting bits that bfd probably neither understands or uses. The + * correct approach (?) will have to incorporate extra fields attached + * to the section to hold the system specific stuff. (krk) + * * Section Contents: * 'a' - unknown - referred to in documentation, but no definition supplied * 'c' - section has code @@ -2852,15 +2823,8 @@ ppc_pe_section (ignore) case 'R': /* Remove section at link time */ flags |= SEC_NEVER_LOAD; break; - /* Section Protection */ - -#if 0 -#define IMAGE_SCN_MEM_SHARED 0x10000000 /* Section is shareable. */ -#define IMAGE_SCN_MEM_EXECUTE 0x20000000 /* Section is executable. */ -#define IMAGE_SCN_MEM_READ 0x40000000 /* Section is readable. */ -#define IMAGE_SCN_MEM_WRITE 0x80000000 /* Section is writeable. */ -#endif + /* Section Protection */ case 'r': /* section is readable */ flags |= IMAGE_SCN_MEM_READ; break; @@ -2875,16 +2839,6 @@ ppc_pe_section (ignore) break; /* Section Alignment */ -#if 0 -#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 -#define IMAGE_SCN_ALIGN_2BYTES 0x00200000 -#define IMAGE_SCN_ALIGN_4BYTES 0x00300000 -#define IMAGE_SCN_ALIGN_8BYTES 0x00400000 -#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */ -#define IMAGE_SCN_ALIGN_32BYTES 0x00600000 -#define IMAGE_SCN_ALIGN_64BYTES 0x00700000 -#endif - case '0': /* align to byte boundary */ flags |= IMAGE_SCN_ALIGN_1BYTES; align = 0; @@ -2938,18 +2892,6 @@ ppc_pe_section (ignore) bfd_errmsg (bfd_get_error ())); } - - /* FIXME: Make sure the winnt alignment bits get set */ -#if 0 -#define IMAGE_SCN_ALIGN_1BYTES 0x00100000 -#define IMAGE_SCN_ALIGN_2BYTES 0x00200000 -#define IMAGE_SCN_ALIGN_4BYTES 0x00300000 -#define IMAGE_SCN_ALIGN_8BYTES 0x00400000 -#define IMAGE_SCN_ALIGN_16BYTES 0x00500000 /* Default alignment if no others are specified. */ -#define IMAGE_SCN_ALIGN_32BYTES 0x00600000 -#define IMAGE_SCN_ALIGN_64BYTES 0x00700000 -#endif - bfd_set_section_alignment(stdoutput, sec, align); } @@ -3217,8 +3159,9 @@ ppc_frob_symbol (sym) && S_GET_SEGMENT (sym) != ppc_coff_debug_section) S_SET_STORAGE_CLASS (sym, C_HIDEXT); - if (S_GET_STORAGE_CLASS (sym) == C_EXT - || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) + if ((S_GET_STORAGE_CLASS (sym) == C_EXT + || S_GET_STORAGE_CLASS (sym) == C_HIDEXT) + && S_GET_SEGMENT (sym) != absolute_section) { int i; union internal_auxent *a; -- 2.7.4