diff options
author | Steve Chamberlain <sac@cygnus> | 1991-12-04 18:25:37 +0000 |
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committer | Steve Chamberlain <sac@cygnus> | 1991-12-04 18:25:37 +0000 |
commit | 4fed881829cd666ccc3602c2f9c5b52707eead76 (patch) | |
tree | c2d0b39bbac95b59b723eb4218b3873c2e607047 /gas/config | |
parent | 4e41b5aa4004cce7343ee96a5830bc9e73f78041 (diff) | |
download | gdb-4fed881829cd666ccc3602c2f9c5b52707eead76.zip gdb-4fed881829cd666ccc3602c2f9c5b52707eead76.tar.gz gdb-4fed881829cd666ccc3602c2f9c5b52707eead76.tar.bz2 |
*** empty log message ***
Diffstat (limited to 'gas/config')
-rwxr-xr-x | gas/config/obj-coff-bfd.c | 556 |
1 files changed, 282 insertions, 274 deletions
diff --git a/gas/config/obj-coff-bfd.c b/gas/config/obj-coff-bfd.c index 6648f08..b2cb035 100755 --- a/gas/config/obj-coff-bfd.c +++ b/gas/config/obj-coff-bfd.c @@ -156,10 +156,10 @@ const pseudo_typeS obj_pseudo_table[] = { { "type", obj_coff_type, 0 }, { "val", obj_coff_val, 0 }, { "section", obj_coff_section, 0 }, - { "text", obj_coff_text, 0 }, - { "data", obj_coff_data, 0 }, - - { "ident", s_ignore, 0 }, /* we don't yet handle this. */ + { "text", obj_coff_text, 0 }, + { "data", obj_coff_data, 0 }, + /* we don't yet handle this. */ + { "ident", s_ignore, 0 }, { "ABORT", s_abort, 0 }, { "lcomm", obj_coff_lcomm, 0}, { NULL} /* end sentinel */ @@ -419,74 +419,75 @@ static void DEFUN(fill_section,(abfd, filehdr, file_cursor), unsigned long *file_cursor) { - unsigned int i; - unsigned int paddr = 0; + unsigned int i; + unsigned int paddr = 0; - for (i = SEG_E0; i < SEG_UNKNOWN; i++) { - unsigned int offset = 0; - + for (i = SEG_E0; i < SEG_UNKNOWN; i++) + { + unsigned int offset = 0; - struct internal_scnhdr *s = &( segment_info[i].scnhdr); + struct internal_scnhdr *s = &( segment_info[i].scnhdr); - if (s->s_name[0]) { - fragS *frag = segment_info[i].frchainP->frch_root; - char *buffer = malloc(s->s_size); - s->s_scnptr = *file_cursor; - s->s_paddr = paddr; - s->s_vaddr = paddr; - - s->s_flags = STYP_REG; - if (strcmp(s->s_name,".text")==0) - s->s_flags |= STYP_TEXT; - else if (strcmp(s->s_name,".data")==0) - s->s_flags |= STYP_DATA; - else if (strcmp(s->s_name,".bss")==0) - s->s_flags |= STYP_BSS | STYP_NOLOAD; - - while (frag) { - unsigned int fill_size; - switch (frag->fr_type) { - - case rs_fill: - case rs_align: - case rs_org: - if(frag->fr_fix) - { - memcpy(buffer + frag->fr_address, - frag->fr_literal, - frag->fr_fix); - offset += frag->fr_fix; - } + if (s->s_name[0]) + { + fragS *frag = segment_info[i].frchainP->frch_root; + char *buffer = malloc(s->s_size); + s->s_scnptr = *file_cursor; + s->s_paddr = paddr; + s->s_vaddr = paddr; + + s->s_flags = STYP_REG; + if (strcmp(s->s_name,".text")==0) + s->s_flags |= STYP_TEXT; + else if (strcmp(s->s_name,".data")==0) + s->s_flags |= STYP_DATA; + else if (strcmp(s->s_name,".bss")==0) + s->s_flags |= STYP_BSS | STYP_NOLOAD; + + while (frag) { + unsigned int fill_size; + switch (frag->fr_type) { + + case rs_fill: + case rs_align: + case rs_org: + if(frag->fr_fix) + { + memcpy(buffer + frag->fr_address, + frag->fr_literal, + frag->fr_fix); + offset += frag->fr_fix; + } - fill_size = frag->fr_var; - if (fill_size) - { - unsigned int count ; - unsigned int off = frag->fr_fix; - for (count = frag->fr_offset; count; count--) - { - memcpy(buffer + frag->fr_address + off, - frag->fr_literal + frag->fr_fix, - fill_size); - off += fill_size; - offset += fill_size; + fill_size = frag->fr_var; + if (fill_size) + { + unsigned int count ; + unsigned int off = frag->fr_fix; + for (count = frag->fr_offset; count; count--) + { + memcpy(buffer + frag->fr_address + off, + frag->fr_literal + frag->fr_fix, + fill_size); + off += fill_size; + offset += fill_size; - } + } - } - break; - default: - abort(); + } + break; + default: + abort(); + } + frag = frag->fr_next; } - frag = frag->fr_next; - } - bfd_write(buffer, s->s_size,1,abfd); - free(buffer); + bfd_write(buffer, s->s_size,1,abfd); + free(buffer); - *file_cursor += s->s_size; - paddr += s->s_size; + *file_cursor += s->s_size; + paddr += s->s_size; } } @@ -703,22 +704,23 @@ static void obj_coff_ln() { *input_line_pointer == '\t') \ input_line_pointer++; -static void obj_coff_def(what) -int what; +static void +DEFUN(obj_coff_def,(what), + int what) { - char name_end; /* Char after the end of name */ - char *symbol_name; /* Name of the debug symbol */ - char *symbol_name_copy; /* Temporary copy of the name */ + char name_end; /* Char after the end of name */ + char *symbol_name; /* Name of the debug symbol */ + char *symbol_name_copy; /* Temporary copy of the name */ unsigned int symbol_name_length; /*$char* directiveP;$ */ /* Name of the pseudo opcode */ /*$char directive[MAX_DIRECTIVE];$ */ /* Backup of the directive */ /*$char end = 0;$ */ /* If 1, stop parsing */ if (def_symbol_in_progress != NULL) { - as_warn(".def pseudo-op used inside of .def/.endef: ignored."); - demand_empty_rest_of_line(); - return; - } /* if not inside .def/.endef */ + as_warn(".def pseudo-op used inside of .def/.endef: ignored."); + demand_empty_rest_of_line(); + return; + } /* if not inside .def/.endef */ SKIP_WHITESPACES(); @@ -736,123 +738,125 @@ int what; S_SET_NAME(def_symbol_in_progress, (*symbol_name_copy == '_' ? symbol_name_copy + 1 : symbol_name_copy)); -#else /* STRIP_UNDERSCORE */ +#else /* STRIP_UNDERSCORE */ S_SET_NAME(def_symbol_in_progress, symbol_name_copy); -#endif /* STRIP_UNDERSCORE */ +#endif /* STRIP_UNDERSCORE */ /* free(symbol_name_copy); */ def_symbol_in_progress->sy_name_offset = ~0; def_symbol_in_progress->sy_number = ~0; def_symbol_in_progress->sy_frag = &zero_address_frag; if (S_IS_STRING(def_symbol_in_progress)) { - SF_SET_STRING(def_symbol_in_progress); - } /* "long" name */ + SF_SET_STRING(def_symbol_in_progress); + } /* "long" name */ *input_line_pointer = name_end; demand_empty_rest_of_line(); return; -} /* obj_coff_def() */ +} /* obj_coff_def() */ unsigned int dim_index; -static void obj_coff_endef() { - symbolS *symbolP = 0; -/* DIM BUG FIX sac@cygnus.com */ - dim_index =0; - if (def_symbol_in_progress == NULL) { - as_warn(".endef pseudo-op used outside of .def/.endef: ignored."); - demand_empty_rest_of_line(); - return; - } /* if not inside .def/.endef */ +static void +DEFUN_VOID(obj_coff_endef) +{ + symbolS *symbolP = 0; + /* DIM BUG FIX sac@cygnus.com */ + dim_index =0; + if (def_symbol_in_progress == NULL) { + as_warn(".endef pseudo-op used outside of .def/.endef: ignored."); + demand_empty_rest_of_line(); + return; + } /* if not inside .def/.endef */ + + /* Set the section number according to storage class. */ + switch (S_GET_STORAGE_CLASS(def_symbol_in_progress)) { + case C_STRTAG: + case C_ENTAG: + case C_UNTAG: + SF_SET_TAG(def_symbol_in_progress); + /* intentional fallthrough */ + case C_FILE: + case C_TPDEF: + SF_SET_DEBUG(def_symbol_in_progress); + S_SET_SEGMENT(def_symbol_in_progress, SEG_DEBUG); + break; - /* Set the section number according to storage class. */ - switch (S_GET_STORAGE_CLASS(def_symbol_in_progress)) { - case C_STRTAG: - case C_ENTAG: - case C_UNTAG: - SF_SET_TAG(def_symbol_in_progress); - /* intentional fallthrough */ - case C_FILE: - case C_TPDEF: - SF_SET_DEBUG(def_symbol_in_progress); - S_SET_SEGMENT(def_symbol_in_progress, SEG_DEBUG); - break; - - case C_EFCN: - SF_SET_LOCAL(def_symbol_in_progress); /* Do not emit this symbol. */ - /* intentional fallthrough */ - case C_BLOCK: - SF_SET_PROCESS(def_symbol_in_progress); /* Will need processing before writing */ - /* intentional fallthrough */ - case C_FCN: - S_SET_SEGMENT(def_symbol_in_progress, SEG_E0); - - if (def_symbol_in_progress->sy_symbol.ost_entry.n_name[1] == 'b') { /* .bf */ - if (function_lineoff < 0) { - fprintf(stderr, "`.bf' symbol without preceding function\n"); - } /* missing function symbol */ - SA_GET_SYM_LNNOPTR(def_symbol_in_progress) = function_lineoff; - SF_SET_PROCESS(def_symbol_in_progress); /* Will need relocating */ - function_lineoff = -1; + case C_EFCN: + SF_SET_LOCAL(def_symbol_in_progress); /* Do not emit this symbol. */ + /* intentional fallthrough */ + case C_BLOCK: + SF_SET_PROCESS(def_symbol_in_progress); /* Will need processing before writing */ + /* intentional fallthrough */ + case C_FCN: + S_SET_SEGMENT(def_symbol_in_progress, SEG_E0); + + if (def_symbol_in_progress->sy_symbol.ost_entry.n_name[1] == 'b') { /* .bf */ + if (function_lineoff < 0) { + fprintf(stderr, "`.bf' symbol without preceding function\n"); + } /* missing function symbol */ + SA_GET_SYM_LNNOPTR(def_symbol_in_progress) = function_lineoff; + SF_SET_PROCESS(def_symbol_in_progress); /* Will need relocating */ + function_lineoff = -1; } - break; + break; #ifdef C_AUTOARG - case C_AUTOARG: -#endif /* C_AUTOARG */ - case C_AUTO: - case C_REG: - case C_MOS: - case C_MOE: - case C_MOU: - case C_ARG: - case C_REGPARM: - case C_FIELD: - case C_EOS: - SF_SET_DEBUG(def_symbol_in_progress); - S_SET_SEGMENT(def_symbol_in_progress, SEG_ABSOLUTE); - break; - - case C_EXT: - case C_STAT: - case C_LABEL: - /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ - break; - - case C_USTATIC: - case C_EXTDEF: - case C_ULABEL: - as_warn("unexpected storage class %d", S_GET_STORAGE_CLASS(def_symbol_in_progress)); - break; - } /* switch on storage class */ - - /* Now that we have built a debug symbol, try to - find if we should merge with an existing symbol - or not. If a symbol is C_EFCN or SEG_ABSOLUTE or - untagged SEG_DEBUG it never merges. */ - - /* Two cases for functions. Either debug followed - by definition or definition followed by debug. - For definition first, we will merge the debug - symbol into the definition. For debug first, the - lineno entry MUST point to the definition - function or else it will point off into space - when crawl_symbols() merges the debug - symbol into the real symbol. Therefor, let's - presume the debug symbol is a real function - reference. */ - - /* FIXME-SOON If for some reason the definition - label/symbol is never seen, this will probably - leave an undefined symbol at link time. */ - - if (S_GET_STORAGE_CLASS(def_symbol_in_progress) == C_EFCN - || (S_GET_SEGMENT(def_symbol_in_progress) == SEG_DEBUG - && !SF_GET_TAG(def_symbol_in_progress)) - || S_GET_SEGMENT(def_symbol_in_progress) == SEG_ABSOLUTE - || (symbolP = symbol_find_base(S_GET_NAME(def_symbol_in_progress), DO_NOT_STRIP)) == NULL) { - - symbol_append(def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); + case C_AUTOARG: +#endif /* C_AUTOARG */ + case C_AUTO: + case C_REG: + case C_MOS: + case C_MOE: + case C_MOU: + case C_ARG: + case C_REGPARM: + case C_FIELD: + case C_EOS: + SF_SET_DEBUG(def_symbol_in_progress); + S_SET_SEGMENT(def_symbol_in_progress, SEG_ABSOLUTE); + break; + + case C_EXT: + case C_STAT: + case C_LABEL: + /* Valid but set somewhere else (s_comm, s_lcomm, colon) */ + break; + + case C_USTATIC: + case C_EXTDEF: + case C_ULABEL: + as_warn("unexpected storage class %d", S_GET_STORAGE_CLASS(def_symbol_in_progress)); + break; + } /* switch on storage class */ + + /* Now that we have built a debug symbol, try to + find if we should merge with an existing symbol + or not. If a symbol is C_EFCN or SEG_ABSOLUTE or + untagged SEG_DEBUG it never merges. */ + + /* Two cases for functions. Either debug followed + by definition or definition followed by debug. + For definition first, we will merge the debug + symbol into the definition. For debug first, the + lineno entry MUST point to the definition + function or else it will point off into space + when crawl_symbols() merges the debug + symbol into the real symbol. Therefor, let's + presume the debug symbol is a real function + reference. */ + + /* FIXME-SOON If for some reason the definition + label/symbol is never seen, this will probably + leave an undefined symbol at link time. */ + + if (S_GET_STORAGE_CLASS(def_symbol_in_progress) == C_EFCN + || (S_GET_SEGMENT(def_symbol_in_progress) == SEG_DEBUG + && !SF_GET_TAG(def_symbol_in_progress)) + || S_GET_SEGMENT(def_symbol_in_progress) == SEG_ABSOLUTE + || (symbolP = symbol_find_base(S_GET_NAME(def_symbol_in_progress), DO_NOT_STRIP)) == NULL) { + + symbol_append(def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); } else { /* This symbol already exists, merge the @@ -878,72 +882,76 @@ static void obj_coff_endef() { if (def_symbol_in_progress != symbol_lastP) { symbol_remove(def_symbol_in_progress, &symbol_rootP, &symbol_lastP); symbol_append(def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP); - } /* if not already in place */ - } /* if function */ - } /* normal or mergable */ + } /* if not already in place */ + } /* if function */ + } /* normal or mergable */ - if (SF_GET_TAG(def_symbol_in_progress) - && symbol_find_base(S_GET_NAME(def_symbol_in_progress), DO_NOT_STRIP) == NULL) { - tag_insert(S_GET_NAME(def_symbol_in_progress), def_symbol_in_progress); - } /* If symbol is a {structure,union} tag, associate symbol to its name. */ + if (SF_GET_TAG(def_symbol_in_progress) + && symbol_find_base(S_GET_NAME(def_symbol_in_progress), DO_NOT_STRIP) == NULL) { + tag_insert(S_GET_NAME(def_symbol_in_progress), def_symbol_in_progress); + } /* If symbol is a {structure,union} tag, associate symbol to its name. */ - if (SF_GET_FUNCTION(def_symbol_in_progress)) { - know(sizeof(def_symbol_in_progress) <= sizeof(long)); - function_lineoff - = c_line_new((long) - def_symbol_in_progress,0, 0, &zero_address_frag); + if (SF_GET_FUNCTION(def_symbol_in_progress)) { + know(sizeof(def_symbol_in_progress) <= sizeof(long)); + function_lineoff + = c_line_new((long) + def_symbol_in_progress,0, 0, &zero_address_frag); - SF_SET_PROCESS(def_symbol_in_progress); + SF_SET_PROCESS(def_symbol_in_progress); - if (symbolP == NULL) { - /* That is, if this is the first - time we've seen the function... */ - symbol_table_insert(def_symbol_in_progress); - } /* definition follows debug */ - } /* Create the line number entry pointing to the function being defined */ + if (symbolP == NULL) { + /* That is, if this is the first + time we've seen the function... */ + symbol_table_insert(def_symbol_in_progress); + } /* definition follows debug */ + } /* Create the line number entry pointing to the function being defined */ - def_symbol_in_progress = NULL; - demand_empty_rest_of_line(); - return; -} /* obj_coff_endef() */ + def_symbol_in_progress = NULL; + demand_empty_rest_of_line(); + return; +} /* obj_coff_endef() */ -static void obj_coff_dim() +static void +DEFUN_VOID(obj_coff_dim) { register int dim_index; - if (def_symbol_in_progress == NULL) { + if (def_symbol_in_progress == NULL) + { as_warn(".dim pseudo-op used outside of .def/.endef: ignored."); demand_empty_rest_of_line(); return; - } /* if not inside .def/.endef */ + } /* if not inside .def/.endef */ S_SET_NUMBER_AUXILIARY(def_symbol_in_progress, 1); - for (dim_index = 0; dim_index < DIMNUM; dim_index++) { + for (dim_index = 0; dim_index < DIMNUM; dim_index++) + { SKIP_WHITESPACES(); SA_SET_SYM_DIMEN(def_symbol_in_progress, dim_index, get_absolute_expression()); - switch (*input_line_pointer) { + switch (*input_line_pointer) + { - case ',': + case ',': input_line_pointer++; break; - default: + default: as_warn("badly formed .dim directive ignored"); /* intentional fallthrough */ - case '\n': - case ';': + case '\n': + case ';': dim_index = DIMNUM; break; - } /* switch on following character */ - } /* for each dimension */ + } /* switch on following character */ + } /* for each dimension */ demand_empty_rest_of_line(); return; -} /* obj_coff_dim() */ +} /* obj_coff_dim() */ static void obj_coff_line() { if (def_symbol_in_progress == NULL) { @@ -1269,10 +1277,12 @@ static unsigned int DEFUN_VOID(yank_symbols) /* next pointer remains valid */ symbol_remove(symbolP, &symbol_rootP, &symbol_lastP); - } else if (!S_IS_DEFINED(symbolP) - && !S_IS_DEBUG(symbolP) - && !SF_GET_STATICS(symbolP)) { - /* S_GET_STORAGE_CLASS(symbolP) == C_EXT && !SF_GET_FUNCTION(symbolP)) { */ + } + else if (!S_IS_DEFINED(symbolP) + && !S_IS_DEBUG(symbolP) + && !SF_GET_STATICS(symbolP) && + S_GET_STORAGE_CLASS(symbolP) == C_EXT) + { /* C_EXT && !SF_GET_FUNCTION(symbolP)) */ /* if external, Remove from the list */ symbolS *hold = symbol_previous(symbolP); @@ -1348,81 +1358,85 @@ static unsigned int DEFUN_VOID(tie_tags) } -static void DEFUN(crawl_symbols,(headers, abfd), - struct internal_filehdr *headers AND - bfd *abfd) +static void +DEFUN(crawl_symbols,(headers, abfd), + struct internal_filehdr *headers AND + bfd *abfd) { - unsigned int i; - unsigned int ptr = 0; + unsigned int i; + unsigned int ptr = 0; - symbolS *symbolP; - - /* Initialize the stack used to keep track of the matching .bb .be */ + symbolS *symbolP; - block_stack = stack_init(512, sizeof(symbolS*)); - /* JF deal with forward references first... */ - for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next(symbolP)) { + /* Initialize the stack used to keep track of the matching .bb .be */ - if (symbolP->sy_forward) { - S_SET_VALUE(symbolP, (S_GET_VALUE(symbolP) - + S_GET_VALUE(symbolP->sy_forward) - + symbolP->sy_forward->sy_frag->fr_address)); - - if (SF_GET_GET_SEGMENT(symbolP)) { - S_SET_SEGMENT(symbolP, S_GET_SEGMENT(symbolP->sy_forward)); - } /* forward segment also */ - - symbolP->sy_forward=0; - } /* if it has a forward reference */ - } /* walk the symbol chain */ - - - /* The symbol list should be ordered according to the following sequence - * order : - * . .file symbol - * . debug entries for functions - * . fake symbols for the sections, including.text .data and .bss - * . defined symbols - * . undefined symbols - * But this is not mandatory. The only important point is to put the - * undefined symbols at the end of the list. - */ + block_stack = stack_init(512, sizeof(symbolS*)); + /* JF deal with forward references first... */ + for (symbolP = symbol_rootP; + symbolP; + symbolP = symbol_next(symbolP)) + { - if (symbol_rootP == NULL - || S_GET_STORAGE_CLASS(symbol_rootP) != C_FILE) { - c_dot_file_symbol("fake"); - } - /* Is there a .file symbol ? If not insert one at the beginning. */ + if (symbolP->sy_forward) { + S_SET_VALUE(symbolP, (S_GET_VALUE(symbolP) + + S_GET_VALUE(symbolP->sy_forward) + + symbolP->sy_forward->sy_frag->fr_address)); + + if (SF_GET_GET_SEGMENT(symbolP)) { + S_SET_SEGMENT(symbolP, S_GET_SEGMENT(symbolP->sy_forward)); + } /* forward segment also */ + + symbolP->sy_forward=0; + } /* if it has a forward reference */ + } /* walk the symbol chain */ + + + /* The symbol list should be ordered according to the following sequence + * order : + * . .file symbol + * . debug entries for functions + * . fake symbols for the sections, including.text .data and .bss + * . defined symbols + * . undefined symbols + * But this is not mandatory. The only important point is to put the + * undefined symbols at the end of the list. + */ + + if (symbol_rootP == NULL + || S_GET_STORAGE_CLASS(symbol_rootP) != C_FILE) { + c_dot_file_symbol("fake"); + } + /* Is there a .file symbol ? If not insert one at the beginning. */ - /* - * Build up static symbols for the sections, they are filled in later - */ + /* + * Build up static symbols for the sections, they are filled in later + */ - for (i = SEG_E0; i < SEG_E9; i++) + for (i = SEG_E0; i < SEG_E9; i++) + { + if (segment_info[i].scnhdr.s_name[0]) { - if (segment_info[i].scnhdr.s_name[0]) - { - segment_info[i].dot = - c_section_symbol(segment_info[i].scnhdr.s_name, - i-SEG_E0+1); + segment_info[i].dot = + c_section_symbol(segment_info[i].scnhdr.s_name, + i-SEG_E0+1); - } } + } - /* Take all the externals out and put them into another chain */ - headers->f_nsyms = yank_symbols(); - /* Take the externals and glue them onto the end.*/ - headers->f_nsyms += glue_symbols(); + /* Take all the externals out and put them into another chain */ + headers->f_nsyms = yank_symbols(); + /* Take the externals and glue them onto the end.*/ + headers->f_nsyms += glue_symbols(); - headers->f_nsyms = tie_tags(); - know(symbol_externP == NULL); - know(symbol_extern_lastP == NULL); + headers->f_nsyms = tie_tags(); + know(symbol_externP == NULL); + know(symbol_extern_lastP == NULL); - return; + return; } /* @@ -1505,14 +1519,7 @@ DEFUN(do_linenos_for,(abfd, file_cursor), } } -/* - * Local Variables: - * comment-column: 0 - * fill-column: 131 - * End: - */ -/* end of obj-coff.c */ /* Now we run through the list of frag chains in a segment and make all the subsegment frags appear at the end of the list, as if the seg 0 was extra long */ @@ -2104,3 +2111,4 @@ segT this_segment_type) + |