diff options
Diffstat (limited to 'gdb/partial-stab.h')
| -rw-r--r-- | gdb/partial-stab.h | 1407 |
1 files changed, 707 insertions, 700 deletions
diff --git a/gdb/partial-stab.h b/gdb/partial-stab.h index ffaaa51..f627c8e 100644 --- a/gdb/partial-stab.h +++ b/gdb/partial-stab.h @@ -2,21 +2,22 @@ Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc. -This file is part of GDB. + This file is part of GDB. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ /* The following need to be defined: SET_NAMESTRING() --Set namestring to name of symbol. @@ -27,9 +28,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ pst - the partial symbol table being built. psymtab_include_list, includes_used, includes_allocated - list of include - file names (N_SOL) seen so far. + file names (N_SOL) seen so far. dependency_list, dependencies_used, dependencies_allocated - list of - N_EXCL stabs seen so far. + N_EXCL stabs seen so far. END_PSYMTAB -- end a partial symbol table. START_PSYMTAB -- start a partial symbol table. @@ -37,776 +38,782 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* End of macro definitions, now let's handle them symbols! */ - switch (CUR_SYMBOL_TYPE) - { - char *p; - /* - * Standard, external, non-debugger, symbols - */ - - case N_TEXT | N_EXT: - case N_NBTEXT | N_EXT: - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); - goto record_it; - - case N_DATA | N_EXT: - case N_NBDATA | N_EXT: - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); - goto record_it; - - case N_BSS: - case N_BSS | N_EXT: - case N_NBBSS | N_EXT: - case N_SETV | N_EXT: /* FIXME, is this in BSS? */ - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_BSS); - goto record_it; - - case N_ABS | N_EXT: - record_it: +switch (CUR_SYMBOL_TYPE) + { + char *p; + /* + * Standard, external, non-debugger, symbols + */ + + case N_TEXT | N_EXT: + case N_NBTEXT | N_EXT: + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); + goto record_it; + + case N_DATA | N_EXT: + case N_NBDATA | N_EXT: + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); + goto record_it; + + case N_BSS: + case N_BSS | N_EXT: + case N_NBBSS | N_EXT: + case N_SETV | N_EXT: /* FIXME, is this in BSS? */ + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_BSS); + goto record_it; + + case N_ABS | N_EXT: + record_it: #ifdef DBXREAD_ONLY - SET_NAMESTRING(); + SET_NAMESTRING (); - bss_ext_symbol: - record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, - CUR_SYMBOL_TYPE, objfile); /* Always */ + bss_ext_symbol: + record_minimal_symbol (namestring, CUR_SYMBOL_VALUE, + CUR_SYMBOL_TYPE, objfile); /* Always */ #endif /* DBXREAD_ONLY */ - continue; + continue; - /* Standard, local, non-debugger, symbols */ + /* Standard, local, non-debugger, symbols */ - case N_NBTEXT: + case N_NBTEXT: - /* We need to be able to deal with both N_FN or N_TEXT, - because we have no way of knowing whether the sys-supplied ld - or GNU ld was used to make the executable. Sequents throw - in another wrinkle -- they renumbered N_FN. */ + /* We need to be able to deal with both N_FN or N_TEXT, + because we have no way of knowing whether the sys-supplied ld + or GNU ld was used to make the executable. Sequents throw + in another wrinkle -- they renumbered N_FN. */ - case N_FN: - case N_FN_SEQ: - case N_TEXT: + case N_FN: + case N_FN_SEQ: + case N_TEXT: #ifdef DBXREAD_ONLY - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); - SET_NAMESTRING(); - if ((namestring[0] == '-' && namestring[1] == 'l') - || (namestring [(nsl = strlen (namestring)) - 1] == 'o' - && namestring [nsl - 2] == '.')) - { - if (objfile -> ei.entry_point < CUR_SYMBOL_VALUE && - objfile -> ei.entry_point >= last_o_file_start) - { - objfile -> ei.entry_file_lowpc = last_o_file_start; - objfile -> ei.entry_file_highpc = CUR_SYMBOL_VALUE; - } - if (past_first_source_file && pst - /* The gould NP1 uses low values for .o and -l symbols - which are not the address. */ - && CUR_SYMBOL_VALUE >= pst->textlow) - { - END_PSYMTAB (pst, psymtab_include_list, includes_used, - symnum * symbol_size, - CUR_SYMBOL_VALUE > pst->texthigh - ? CUR_SYMBOL_VALUE : pst->texthigh, - dependency_list, dependencies_used, textlow_not_set); - pst = (struct partial_symtab *) 0; - includes_used = 0; - dependencies_used = 0; - } - else - past_first_source_file = 1; - last_o_file_start = CUR_SYMBOL_VALUE; - } - else - goto record_it; + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); + SET_NAMESTRING (); + if ((namestring[0] == '-' && namestring[1] == 'l') + || (namestring[(nsl = strlen (namestring)) - 1] == 'o' + && namestring[nsl - 2] == '.')) + { + if (objfile->ei.entry_point < CUR_SYMBOL_VALUE && + objfile->ei.entry_point >= last_o_file_start) + { + objfile->ei.entry_file_lowpc = last_o_file_start; + objfile->ei.entry_file_highpc = CUR_SYMBOL_VALUE; + } + if (past_first_source_file && pst + /* The gould NP1 uses low values for .o and -l symbols + which are not the address. */ + && CUR_SYMBOL_VALUE >= pst->textlow) + { + END_PSYMTAB (pst, psymtab_include_list, includes_used, + symnum * symbol_size, + CUR_SYMBOL_VALUE > pst->texthigh + ? CUR_SYMBOL_VALUE : pst->texthigh, + dependency_list, dependencies_used, textlow_not_set); + pst = (struct partial_symtab *) 0; + includes_used = 0; + dependencies_used = 0; + } + else + past_first_source_file = 1; + last_o_file_start = CUR_SYMBOL_VALUE; + } + else + goto record_it; #endif /* DBXREAD_ONLY */ - continue; + continue; - case N_DATA: - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); - goto record_it; + case N_DATA: + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); + goto record_it; - case N_UNDF | N_EXT: + case N_UNDF | N_EXT: #ifdef DBXREAD_ONLY - if (CUR_SYMBOL_VALUE != 0) { - /* This is a "Fortran COMMON" symbol. See if the target - environment knows where it has been relocated to. */ + if (CUR_SYMBOL_VALUE != 0) + { + /* This is a "Fortran COMMON" symbol. See if the target + environment knows where it has been relocated to. */ - CORE_ADDR reladdr; + CORE_ADDR reladdr; - SET_NAMESTRING(); - if (target_lookup_symbol (namestring, &reladdr)) { - continue; /* Error in lookup; ignore symbol for now. */ - } - CUR_SYMBOL_TYPE ^= (N_BSS^N_UNDF); /* Define it as a bss-symbol */ - CUR_SYMBOL_VALUE = reladdr; - goto bss_ext_symbol; + SET_NAMESTRING (); + if (target_lookup_symbol (namestring, &reladdr)) + { + continue; /* Error in lookup; ignore symbol for now. */ } + CUR_SYMBOL_TYPE ^= (N_BSS ^ N_UNDF); /* Define it as a bss-symbol */ + CUR_SYMBOL_VALUE = reladdr; + goto bss_ext_symbol; + } #endif /* DBXREAD_ONLY */ - continue; /* Just undefined, not COMMON */ + continue; /* Just undefined, not COMMON */ - case N_UNDF: + case N_UNDF: #ifdef DBXREAD_ONLY - if (processing_acc_compilation && CUR_SYMBOL_STRX == 1) { - /* Deal with relative offsets in the string table - used in ELF+STAB under Solaris. If we want to use the - n_strx field, which contains the name of the file, - we must adjust file_string_table_offset *before* calling - SET_NAMESTRING(). */ - past_first_source_file = 1; - file_string_table_offset = next_file_string_table_offset; - next_file_string_table_offset = - file_string_table_offset + CUR_SYMBOL_VALUE; - if (next_file_string_table_offset < file_string_table_offset) - error ("string table offset backs up at %d", symnum); - /* FIXME -- replace error() with complaint. */ - continue; - } + if (processing_acc_compilation && CUR_SYMBOL_STRX == 1) + { + /* Deal with relative offsets in the string table + used in ELF+STAB under Solaris. If we want to use the + n_strx field, which contains the name of the file, + we must adjust file_string_table_offset *before* calling + SET_NAMESTRING(). */ + past_first_source_file = 1; + file_string_table_offset = next_file_string_table_offset; + next_file_string_table_offset = + file_string_table_offset + CUR_SYMBOL_VALUE; + if (next_file_string_table_offset < file_string_table_offset) + error ("string table offset backs up at %d", symnum); + /* FIXME -- replace error() with complaint. */ + continue; + } #endif /* DBXREAD_ONLY */ - continue; - - /* Lots of symbol types we can just ignore. */ - - case N_ABS: - case N_NBDATA: - case N_NBBSS: - continue; - - /* Keep going . . .*/ - - /* - * Special symbol types for GNU - */ - case N_INDR: - case N_INDR | N_EXT: - case N_SETA: - case N_SETA | N_EXT: - case N_SETT: - case N_SETT | N_EXT: - case N_SETD: - case N_SETD | N_EXT: - case N_SETB: - case N_SETB | N_EXT: - case N_SETV: - continue; - - /* - * Debugger symbols - */ - - case N_SO: { - unsigned long valu; - static int prev_so_symnum = -10; - static int first_so_symnum; - char *p; - int prev_textlow_not_set; - - valu = CUR_SYMBOL_VALUE + ANOFFSET (section_offsets, SECT_OFF_TEXT); - - prev_textlow_not_set = textlow_not_set; + continue; + + /* Lots of symbol types we can just ignore. */ + + case N_ABS: + case N_NBDATA: + case N_NBBSS: + continue; + + /* Keep going . . . */ + + /* + * Special symbol types for GNU + */ + case N_INDR: + case N_INDR | N_EXT: + case N_SETA: + case N_SETA | N_EXT: + case N_SETT: + case N_SETT | N_EXT: + case N_SETD: + case N_SETD | N_EXT: + case N_SETB: + case N_SETB | N_EXT: + case N_SETV: + continue; + + /* + * Debugger symbols + */ + + case N_SO: + { + unsigned long valu; + static int prev_so_symnum = -10; + static int first_so_symnum; + char *p; + int prev_textlow_not_set; + + valu = CUR_SYMBOL_VALUE + ANOFFSET (section_offsets, SECT_OFF_TEXT); + + prev_textlow_not_set = textlow_not_set; #ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* A zero value is probably an indication for the SunPRO 3.0 - compiler. end_psymtab explicitly tests for zero, so - don't relocate it. */ + /* A zero value is probably an indication for the SunPRO 3.0 + compiler. end_psymtab explicitly tests for zero, so + don't relocate it. */ - if (CUR_SYMBOL_VALUE == 0) - { - textlow_not_set = 1; - valu = 0; - } - else - textlow_not_set = 0; + if (CUR_SYMBOL_VALUE == 0) + { + textlow_not_set = 1; + valu = 0; + } + else + textlow_not_set = 0; #else - textlow_not_set = 0; + textlow_not_set = 0; #endif - past_first_source_file = 1; + past_first_source_file = 1; - if (prev_so_symnum != symnum - 1) - { /* Here if prev stab wasn't N_SO */ - first_so_symnum = symnum; - - if (pst) - { - END_PSYMTAB (pst, psymtab_include_list, includes_used, - symnum * symbol_size, - valu > pst->texthigh ? valu : pst->texthigh, - dependency_list, dependencies_used, - prev_textlow_not_set); - pst = (struct partial_symtab *) 0; - includes_used = 0; - dependencies_used = 0; - } + if (prev_so_symnum != symnum - 1) + { /* Here if prev stab wasn't N_SO */ + first_so_symnum = symnum; + + if (pst) + { + END_PSYMTAB (pst, psymtab_include_list, includes_used, + symnum * symbol_size, + valu > pst->texthigh ? valu : pst->texthigh, + dependency_list, dependencies_used, + prev_textlow_not_set); + pst = (struct partial_symtab *) 0; + includes_used = 0; + dependencies_used = 0; } + } - prev_so_symnum = symnum; + prev_so_symnum = symnum; - /* End the current partial symtab and start a new one */ + /* End the current partial symtab and start a new one */ - SET_NAMESTRING(); + SET_NAMESTRING (); - /* Null name means end of .o file. Don't start a new one. */ - if (*namestring == '\000') - continue; + /* Null name means end of .o file. Don't start a new one. */ + if (*namestring == '\000') + continue; - /* Some compilers (including gcc) emit a pair of initial N_SOs. - The first one is a directory name; the second the file name. - If pst exists, is empty, and has a filename ending in '/', - we assume the previous N_SO was a directory name. */ - - p = strrchr (namestring, '/'); - if (p && *(p+1) == '\000') - continue; /* Simply ignore directory name SOs */ - - /* Some other compilers (C++ ones in particular) emit useless - SOs for non-existant .c files. We ignore all subsequent SOs that - immediately follow the first. */ - - if (!pst) - pst = START_PSYMTAB (objfile, section_offsets, - namestring, valu, - first_so_symnum * symbol_size, - objfile -> global_psymbols.next, - objfile -> static_psymbols.next); - continue; - } + /* Some compilers (including gcc) emit a pair of initial N_SOs. + The first one is a directory name; the second the file name. + If pst exists, is empty, and has a filename ending in '/', + we assume the previous N_SO was a directory name. */ - case N_BINCL: - { + p = strrchr (namestring, '/'); + if (p && *(p + 1) == '\000') + continue; /* Simply ignore directory name SOs */ + + /* Some other compilers (C++ ones in particular) emit useless + SOs for non-existant .c files. We ignore all subsequent SOs that + immediately follow the first. */ + + if (!pst) + pst = START_PSYMTAB (objfile, section_offsets, + namestring, valu, + first_so_symnum * symbol_size, + objfile->global_psymbols.next, + objfile->static_psymbols.next); + continue; + } + + case N_BINCL: + { #ifdef DBXREAD_ONLY - enum language tmp_language; - /* Add this bincl to the bincl_list for future EXCLs. No - need to save the string; it'll be around until - read_dbx_symtab function returns */ + enum language tmp_language; + /* Add this bincl to the bincl_list for future EXCLs. No + need to save the string; it'll be around until + read_dbx_symtab function returns */ - SET_NAMESTRING(); + SET_NAMESTRING (); - tmp_language = deduce_language_from_filename (namestring); + tmp_language = deduce_language_from_filename (namestring); - /* Only change the psymtab's language if we've learned - something useful (eg. tmp_language is not language_unknown). - In addition, to match what start_subfile does, never change - from C++ to C. */ - if (tmp_language != language_unknown - && (tmp_language != language_c - || psymtab_language != language_cplus)) - psymtab_language = tmp_language; + /* Only change the psymtab's language if we've learned + something useful (eg. tmp_language is not language_unknown). + In addition, to match what start_subfile does, never change + from C++ to C. */ + if (tmp_language != language_unknown + && (tmp_language != language_c + || psymtab_language != language_cplus)) + psymtab_language = tmp_language; - if (pst == NULL) - { - /* FIXME: we should not get here without a PST to work on. - Attempt to recover. */ - complain (&unclaimed_bincl_complaint, namestring, symnum); - continue; - } - add_bincl_to_list (pst, namestring, CUR_SYMBOL_VALUE); + if (pst == NULL) + { + /* FIXME: we should not get here without a PST to work on. + Attempt to recover. */ + complain (&unclaimed_bincl_complaint, namestring, symnum); + continue; + } + add_bincl_to_list (pst, namestring, CUR_SYMBOL_VALUE); - /* Mark down an include file in the current psymtab */ + /* Mark down an include file in the current psymtab */ - goto record_include_file; + goto record_include_file; #else /* DBXREAD_ONLY */ - continue; + continue; #endif - } - - case N_SOL: - { - enum language tmp_language; - /* Mark down an include file in the current psymtab */ - - SET_NAMESTRING(); - - tmp_language = deduce_language_from_filename (namestring); - - /* Only change the psymtab's language if we've learned - something useful (eg. tmp_language is not language_unknown). - In addition, to match what start_subfile does, never change - from C++ to C. */ - if (tmp_language != language_unknown - && (tmp_language != language_c - || psymtab_language != language_cplus)) - psymtab_language = tmp_language; - - /* In C++, one may expect the same filename to come round many - times, when code is coming alternately from the main file - and from inline functions in other files. So I check to see - if this is a file we've seen before -- either the main - source file, or a previously included file. - - This seems to be a lot of time to be spending on N_SOL, but - things like "break c-exp.y:435" need to work (I - suppose the psymtab_include_list could be hashed or put - in a binary tree, if profiling shows this is a major hog). */ - if (pst && STREQ (namestring, pst->filename)) - continue; + } + + case N_SOL: + { + enum language tmp_language; + /* Mark down an include file in the current psymtab */ + + SET_NAMESTRING (); + + tmp_language = deduce_language_from_filename (namestring); + + /* Only change the psymtab's language if we've learned + something useful (eg. tmp_language is not language_unknown). + In addition, to match what start_subfile does, never change + from C++ to C. */ + if (tmp_language != language_unknown + && (tmp_language != language_c + || psymtab_language != language_cplus)) + psymtab_language = tmp_language; + + /* In C++, one may expect the same filename to come round many + times, when code is coming alternately from the main file + and from inline functions in other files. So I check to see + if this is a file we've seen before -- either the main + source file, or a previously included file. + + This seems to be a lot of time to be spending on N_SOL, but + things like "break c-exp.y:435" need to work (I + suppose the psymtab_include_list could be hashed or put + in a binary tree, if profiling shows this is a major hog). */ + if (pst && STREQ (namestring, pst->filename)) + continue; + { + register int i; + for (i = 0; i < includes_used; i++) + if (STREQ (namestring, psymtab_include_list[i])) { - register int i; - for (i = 0; i < includes_used; i++) - if (STREQ (namestring, psymtab_include_list[i])) - { - i = -1; - break; - } - if (i == -1) - continue; + i = -1; + break; } - + if (i == -1) + continue; + } + #ifdef DBXREAD_ONLY - record_include_file: + record_include_file: #endif - - psymtab_include_list[includes_used++] = namestring; - if (includes_used >= includes_allocated) - { - char **orig = psymtab_include_list; - - psymtab_include_list = (char **) - alloca ((includes_allocated *= 2) * - sizeof (char *)); - memcpy ((PTR)psymtab_include_list, (PTR)orig, - includes_used * sizeof (char *)); - } - continue; - } - case N_LSYM: /* Typedef or automatic variable. */ - case N_STSYM: /* Data seg var -- static */ - case N_LCSYM: /* BSS " */ - case N_ROSYM: /* Read-only data seg var -- static. */ - case N_NBSTS: /* Gould nobase. */ - case N_NBLCS: /* symbols. */ - case N_FUN: - case N_GSYM: /* Global (extern) variable; can be + + psymtab_include_list[includes_used++] = namestring; + if (includes_used >= includes_allocated) + { + char **orig = psymtab_include_list; + + psymtab_include_list = (char **) + alloca ((includes_allocated *= 2) * + sizeof (char *)); + memcpy ((PTR) psymtab_include_list, (PTR) orig, + includes_used * sizeof (char *)); + } + continue; + } + case N_LSYM: /* Typedef or automatic variable. */ + case N_STSYM: /* Data seg var -- static */ + case N_LCSYM: /* BSS " */ + case N_ROSYM: /* Read-only data seg var -- static. */ + case N_NBSTS: /* Gould nobase. */ + case N_NBLCS: /* symbols. */ + case N_FUN: + case N_GSYM: /* Global (extern) variable; can be data or bss (sigh FIXME). */ - /* Following may probably be ignored; I'll leave them here - for now (until I do Pascal and Modula 2 extensions). */ + /* Following may probably be ignored; I'll leave them here + for now (until I do Pascal and Modula 2 extensions). */ - case N_PC: /* I may or may not need this; I + case N_PC: /* I may or may not need this; I suspect not. */ - case N_M2C: /* I suspect that I can ignore this here. */ - case N_SCOPE: /* Same. */ + case N_M2C: /* I suspect that I can ignore this here. */ + case N_SCOPE: /* Same. */ - SET_NAMESTRING(); + SET_NAMESTRING (); #ifdef DBXREAD_ONLY - /* See if this is an end of function stab. */ - if (CUR_SYMBOL_TYPE == N_FUN && *namestring == '\000') - { - unsigned long valu; - - /* It's value is the size (in bytes) of the function for - function relative stabs, or the address of the function's - end for old style stabs. */ - valu = CUR_SYMBOL_VALUE + last_function_start; - if (pst->texthigh == 0 || valu > pst->texthigh) - pst->texthigh = valu; - break; - } + /* See if this is an end of function stab. */ + if (CUR_SYMBOL_TYPE == N_FUN && *namestring == '\000') + { + unsigned long valu; + + /* It's value is the size (in bytes) of the function for + function relative stabs, or the address of the function's + end for old style stabs. */ + valu = CUR_SYMBOL_VALUE + last_function_start; + if (pst->texthigh == 0 || valu > pst->texthigh) + pst->texthigh = valu; + break; + } #endif - p = (char *) strchr (namestring, ':'); - if (!p) - continue; /* Not a debugging symbol. */ + p = (char *) strchr (namestring, ':'); + if (!p) + continue; /* Not a debugging symbol. */ - /* Main processing section for debugging symbols which - the initial read through the symbol tables needs to worry - about. If we reach this point, the symbol which we are - considering is definitely one we are interested in. - p must also contain the (valid) index into the namestring - which indicates the debugging type symbol. */ + /* Main processing section for debugging symbols which + the initial read through the symbol tables needs to worry + about. If we reach this point, the symbol which we are + considering is definitely one we are interested in. + p must also contain the (valid) index into the namestring + which indicates the debugging type symbol. */ - switch (p[1]) - { - case 'S': - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); + switch (p[1]) + { + case 'S': + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); #ifdef STATIC_TRANSFORM_NAME - namestring = STATIC_TRANSFORM_NAME (namestring); + namestring = STATIC_TRANSFORM_NAME (namestring); #endif - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_STATIC, - &objfile->static_psymbols, - 0, CUR_SYMBOL_VALUE, - psymtab_language, objfile); - continue; - case 'G': - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); - /* The addresses in these entries are reported to be - wrong. See the code that reads 'G's for symtabs. */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_STATIC, - &objfile->global_psymbols, - 0, CUR_SYMBOL_VALUE, - psymtab_language, objfile); - continue; - - case 'T': - /* When a 'T' entry is defining an anonymous enum, it - may have a name which is the empty string, or a - single space. Since they're not really defining a - symbol, those shouldn't go in the partial symbol - table. We do pick up the elements of such enums at - 'check_enum:', below. */ - if (p >= namestring + 2 - || (p == namestring + 1 - && namestring[0] != ' ')) - { - add_psymbol_to_list (namestring, p - namestring, - STRUCT_NAMESPACE, LOC_TYPEDEF, - &objfile->static_psymbols, - CUR_SYMBOL_VALUE, 0, - psymtab_language, objfile); - if (p[2] == 't') - { - /* Also a typedef with the same name. */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_TYPEDEF, - &objfile->static_psymbols, - CUR_SYMBOL_VALUE, 0, - psymtab_language, objfile); - p += 1; - } - /* The semantics of C++ state that "struct foo { ... }" - also defines a typedef for "foo". Unfortuantely, cfront - never makes the typedef when translating from C++ to C. - We make the typedef here so that "ptype foo" works as - expected for cfront translated code. */ - else if (psymtab_language == language_cplus) - { - /* Also a typedef with the same name. */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_TYPEDEF, - &objfile->static_psymbols, - CUR_SYMBOL_VALUE, 0, - psymtab_language, objfile); - } - } - goto check_enum; - case 't': - if (p != namestring) /* a name is there, not just :T... */ - { - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_TYPEDEF, - &objfile->static_psymbols, - CUR_SYMBOL_VALUE, 0, - psymtab_language, objfile); - } - check_enum: - /* If this is an enumerated type, we need to - add all the enum constants to the partial symbol - table. This does not cover enums without names, e.g. - "enum {a, b} c;" in C, but fortunately those are - rare. There is no way for GDB to find those from the - enum type without spending too much time on it. Thus - to solve this problem, the compiler needs to put out the - enum in a nameless type. GCC2 does this. */ - - /* We are looking for something of the form - <name> ":" ("t" | "T") [<number> "="] "e" - {<constant> ":" <value> ","} ";". */ - - /* Skip over the colon and the 't' or 'T'. */ - p += 2; - /* This type may be given a number. Also, numbers can come - in pairs like (0,26). Skip over it. */ - while ((*p >= '0' && *p <= '9') - || *p == '(' || *p == ',' || *p == ')' - || *p == '=') + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_STATIC, + &objfile->static_psymbols, + 0, CUR_SYMBOL_VALUE, + psymtab_language, objfile); + continue; + case 'G': + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_DATA); + /* The addresses in these entries are reported to be + wrong. See the code that reads 'G's for symtabs. */ + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_STATIC, + &objfile->global_psymbols, + 0, CUR_SYMBOL_VALUE, + psymtab_language, objfile); + continue; + + case 'T': + /* When a 'T' entry is defining an anonymous enum, it + may have a name which is the empty string, or a + single space. Since they're not really defining a + symbol, those shouldn't go in the partial symbol + table. We do pick up the elements of such enums at + 'check_enum:', below. */ + if (p >= namestring + 2 + || (p == namestring + 1 + && namestring[0] != ' ')) + { + add_psymbol_to_list (namestring, p - namestring, + STRUCT_NAMESPACE, LOC_TYPEDEF, + &objfile->static_psymbols, + CUR_SYMBOL_VALUE, 0, + psymtab_language, objfile); + if (p[2] == 't') + { + /* Also a typedef with the same name. */ + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_TYPEDEF, + &objfile->static_psymbols, + CUR_SYMBOL_VALUE, 0, + psymtab_language, objfile); + p += 1; + } + /* The semantics of C++ state that "struct foo { ... }" + also defines a typedef for "foo". Unfortuantely, cfront + never makes the typedef when translating from C++ to C. + We make the typedef here so that "ptype foo" works as + expected for cfront translated code. */ + else if (psymtab_language == language_cplus) + { + /* Also a typedef with the same name. */ + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_TYPEDEF, + &objfile->static_psymbols, + CUR_SYMBOL_VALUE, 0, + psymtab_language, objfile); + } + } + goto check_enum; + case 't': + if (p != namestring) /* a name is there, not just :T... */ + { + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_TYPEDEF, + &objfile->static_psymbols, + CUR_SYMBOL_VALUE, 0, + psymtab_language, objfile); + } + check_enum: + /* If this is an enumerated type, we need to + add all the enum constants to the partial symbol + table. This does not cover enums without names, e.g. + "enum {a, b} c;" in C, but fortunately those are + rare. There is no way for GDB to find those from the + enum type without spending too much time on it. Thus + to solve this problem, the compiler needs to put out the + enum in a nameless type. GCC2 does this. */ + + /* We are looking for something of the form + <name> ":" ("t" | "T") [<number> "="] "e" + {<constant> ":" <value> ","} ";". */ + + /* Skip over the colon and the 't' or 'T'. */ + p += 2; + /* This type may be given a number. Also, numbers can come + in pairs like (0,26). Skip over it. */ + while ((*p >= '0' && *p <= '9') + || *p == '(' || *p == ',' || *p == ')' + || *p == '=') + p++; + + if (*p++ == 'e') + { + /* The aix4 compiler emits extra crud before the members. */ + if (*p == '-') + { + /* Skip over the type (?). */ + while (*p != ':') + p++; + + /* Skip over the colon. */ p++; + } - if (*p++ == 'e') - { - /* The aix4 compiler emits extra crud before the members. */ - if (*p == '-') - { - /* Skip over the type (?). */ - while (*p != ':') - p++; - - /* Skip over the colon. */ - p++; - } - - /* We have found an enumerated type. */ - /* According to comments in read_enum_type - a comma could end it instead of a semicolon. - I don't know where that happens. - Accept either. */ - while (*p && *p != ';' && *p != ',') - { - char *q; - - /* Check for and handle cretinous dbx symbol name - continuation! */ - if (*p == '\\' || (*p == '?' && p[1] == '\0')) - p = next_symbol_text (objfile); - - /* Point to the character after the name - of the enum constant. */ - for (q = p; *q && *q != ':'; q++) - ; - /* Note that the value doesn't matter for - enum constants in psymtabs, just in symtabs. */ - add_psymbol_to_list (p, q - p, - VAR_NAMESPACE, LOC_CONST, - &objfile->static_psymbols, 0, - 0, psymtab_language, objfile); - /* Point past the name. */ - p = q; - /* Skip over the value. */ - while (*p && *p != ',') - p++; - /* Advance past the comma. */ - if (*p) - p++; - } - } - continue; - case 'c': - /* Constant, e.g. from "const" in Pascal. */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_CONST, - &objfile->static_psymbols, CUR_SYMBOL_VALUE, - 0, psymtab_language, objfile); - continue; - - case 'f': - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); + /* We have found an enumerated type. */ + /* According to comments in read_enum_type + a comma could end it instead of a semicolon. + I don't know where that happens. + Accept either. */ + while (*p && *p != ';' && *p != ',') + { + char *q; + + /* Check for and handle cretinous dbx symbol name + continuation! */ + if (*p == '\\' || (*p == '?' && p[1] == '\0')) + p = next_symbol_text (objfile); + + /* Point to the character after the name + of the enum constant. */ + for (q = p; *q && *q != ':'; q++) + ; + /* Note that the value doesn't matter for + enum constants in psymtabs, just in symtabs. */ + add_psymbol_to_list (p, q - p, + VAR_NAMESPACE, LOC_CONST, + &objfile->static_psymbols, 0, + 0, psymtab_language, objfile); + /* Point past the name. */ + p = q; + /* Skip over the value. */ + while (*p && *p != ',') + p++; + /* Advance past the comma. */ + if (*p) + p++; + } + } + continue; + case 'c': + /* Constant, e.g. from "const" in Pascal. */ + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_CONST, + &objfile->static_psymbols, CUR_SYMBOL_VALUE, + 0, psymtab_language, objfile); + continue; + + case 'f': + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); #ifdef DBXREAD_ONLY - /* Keep track of the start of the last function so we - can handle end of function symbols. */ - last_function_start = CUR_SYMBOL_VALUE; - /* Kludges for ELF/STABS with Sun ACC */ - last_function_name = namestring; + /* Keep track of the start of the last function so we + can handle end of function symbols. */ + last_function_start = CUR_SYMBOL_VALUE; + /* Kludges for ELF/STABS with Sun ACC */ + last_function_name = namestring; #ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit - value for the bottom of the text seg in those cases. */ - if (pst && textlow_not_set) - { - pst->textlow = - find_stab_function_addr (namestring, pst, objfile); - textlow_not_set = 0; - } + /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit + value for the bottom of the text seg in those cases. */ + if (pst && textlow_not_set) + { + pst->textlow = + find_stab_function_addr (namestring, pst, objfile); + textlow_not_set = 0; + } #endif - /* End kludge. */ - - /* In reordered executables this function may lie outside - the bounds created by N_SO symbols. If that's the case - use the address of this function as the low bound for - the partial symbol table. */ - if (textlow_not_set - || (CUR_SYMBOL_VALUE < pst->textlow - && CUR_SYMBOL_VALUE - != ANOFFSET (section_offsets, SECT_OFF_TEXT))) - { - pst->textlow = CUR_SYMBOL_VALUE; - textlow_not_set = 0; - } + /* End kludge. */ + + /* In reordered executables this function may lie outside + the bounds created by N_SO symbols. If that's the case + use the address of this function as the low bound for + the partial symbol table. */ + if (textlow_not_set + || (CUR_SYMBOL_VALUE < pst->textlow + && CUR_SYMBOL_VALUE + != ANOFFSET (section_offsets, SECT_OFF_TEXT))) + { + pst->textlow = CUR_SYMBOL_VALUE; + textlow_not_set = 0; + } #endif /* DBXREAD_ONLY */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_BLOCK, - &objfile->static_psymbols, - 0, CUR_SYMBOL_VALUE, - psymtab_language, objfile); - continue; - - /* Global functions were ignored here, but now they - are put into the global psymtab like one would expect. - They're also in the minimal symbol table. */ - case 'F': - CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_BLOCK, + &objfile->static_psymbols, + 0, CUR_SYMBOL_VALUE, + psymtab_language, objfile); + continue; + + /* Global functions were ignored here, but now they + are put into the global psymtab like one would expect. + They're also in the minimal symbol table. */ + case 'F': + CUR_SYMBOL_VALUE += ANOFFSET (section_offsets, SECT_OFF_TEXT); #ifdef DBXREAD_ONLY - /* Keep track of the start of the last function so we - can handle end of function symbols. */ - last_function_start = CUR_SYMBOL_VALUE; - /* Kludges for ELF/STABS with Sun ACC */ - last_function_name = namestring; + /* Keep track of the start of the last function so we + can handle end of function symbols. */ + last_function_start = CUR_SYMBOL_VALUE; + /* Kludges for ELF/STABS with Sun ACC */ + last_function_name = namestring; #ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit - value for the bottom of the text seg in those cases. */ - if (pst && textlow_not_set) - { - pst->textlow = - find_stab_function_addr (namestring, pst, objfile); - textlow_not_set = 0; - } + /* Do not fix textlow==0 for .o or NLM files, as 0 is a legit + value for the bottom of the text seg in those cases. */ + if (pst && textlow_not_set) + { + pst->textlow = + find_stab_function_addr (namestring, pst, objfile); + textlow_not_set = 0; + } #endif - /* End kludge. */ - /* In reordered executables this function may lie outside - the bounds created by N_SO symbols. If that's the case - use the address of this function as the low bound for - the partial symbol table. */ - if (textlow_not_set - || (CUR_SYMBOL_VALUE < pst->textlow - && CUR_SYMBOL_VALUE - != ANOFFSET (section_offsets, SECT_OFF_TEXT))) - { - pst->textlow = CUR_SYMBOL_VALUE; - textlow_not_set = 0; - } + /* End kludge. */ + /* In reordered executables this function may lie outside + the bounds created by N_SO symbols. If that's the case + use the address of this function as the low bound for + the partial symbol table. */ + if (textlow_not_set + || (CUR_SYMBOL_VALUE < pst->textlow + && CUR_SYMBOL_VALUE + != ANOFFSET (section_offsets, SECT_OFF_TEXT))) + { + pst->textlow = CUR_SYMBOL_VALUE; + textlow_not_set = 0; + } #endif /* DBXREAD_ONLY */ - add_psymbol_to_list (namestring, p - namestring, - VAR_NAMESPACE, LOC_BLOCK, - &objfile->global_psymbols, - 0, CUR_SYMBOL_VALUE, - psymtab_language, objfile); - continue; - - /* Two things show up here (hopefully); static symbols of - local scope (static used inside braces) or extensions - of structure symbols. We can ignore both. */ - case 'V': - case '(': - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - case '-': - case '#': /* for symbol identification (used in live ranges) */ - /* added to support cfront stabs strings */ - case 'Z': /* for definition continuations */ - case 'P': /* for prototypes */ - continue; - - case ':': - /* It is a C++ nested symbol. We don't need to record it - (I don't think); if we try to look up foo::bar::baz, - then symbols for the symtab containing foo should get - read in, I think. */ - /* Someone says sun cc puts out symbols like - /foo/baz/maclib::/usr/local/bin/maclib, - which would get here with a symbol type of ':'. */ - continue; - - default: - /* Unexpected symbol descriptor. The second and subsequent stabs - of a continued stab can show up here. The question is - whether they ever can mimic a normal stab--it would be - nice if not, since we certainly don't want to spend the - time searching to the end of every string looking for - a backslash. */ - - complain (&unknown_symchar_complaint, p[1]); - - /* Ignore it; perhaps it is an extension that we don't - know about. */ - continue; - } - - case N_EXCL: + add_psymbol_to_list (namestring, p - namestring, + VAR_NAMESPACE, LOC_BLOCK, + &objfile->global_psymbols, + 0, CUR_SYMBOL_VALUE, + psymtab_language, objfile); + continue; + + /* Two things show up here (hopefully); static symbols of + local scope (static used inside braces) or extensions + of structure symbols. We can ignore both. */ + case 'V': + case '(': + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + case '-': + case '#': /* for symbol identification (used in live ranges) */ + /* added to support cfront stabs strings */ + case 'Z': /* for definition continuations */ + case 'P': /* for prototypes */ + continue; + + case ':': + /* It is a C++ nested symbol. We don't need to record it + (I don't think); if we try to look up foo::bar::baz, + then symbols for the symtab containing foo should get + read in, I think. */ + /* Someone says sun cc puts out symbols like + /foo/baz/maclib::/usr/local/bin/maclib, + which would get here with a symbol type of ':'. */ + continue; + + default: + /* Unexpected symbol descriptor. The second and subsequent stabs + of a continued stab can show up here. The question is + whether they ever can mimic a normal stab--it would be + nice if not, since we certainly don't want to spend the + time searching to the end of every string looking for + a backslash. */ + + complain (&unknown_symchar_complaint, p[1]); + + /* Ignore it; perhaps it is an extension that we don't + know about. */ + continue; + } + + case N_EXCL: #ifdef DBXREAD_ONLY - SET_NAMESTRING(); + SET_NAMESTRING (); - /* Find the corresponding bincl and mark that psymtab on the - psymtab dependency list */ - { - struct partial_symtab *needed_pst = - find_corresponding_bincl_psymtab (namestring, CUR_SYMBOL_VALUE); + /* Find the corresponding bincl and mark that psymtab on the + psymtab dependency list */ + { + struct partial_symtab *needed_pst = + find_corresponding_bincl_psymtab (namestring, CUR_SYMBOL_VALUE); - /* If this include file was defined earlier in this file, - leave it alone. */ - if (needed_pst == pst) continue; + /* If this include file was defined earlier in this file, + leave it alone. */ + if (needed_pst == pst) + continue; - if (needed_pst) + if (needed_pst) + { + int i; + int found = 0; + + for (i = 0; i < dependencies_used; i++) + if (dependency_list[i] == needed_pst) { - int i; - int found = 0; - - for (i = 0; i < dependencies_used; i++) - if (dependency_list[i] == needed_pst) - { - found = 1; - break; - } - - /* If it's already in the list, skip the rest. */ - if (found) continue; - - dependency_list[dependencies_used++] = needed_pst; - if (dependencies_used >= dependencies_allocated) - { - struct partial_symtab **orig = dependency_list; - dependency_list = - (struct partial_symtab **) - alloca ((dependencies_allocated *= 2) - * sizeof (struct partial_symtab *)); - memcpy ((PTR)dependency_list, (PTR)orig, - (dependencies_used - * sizeof (struct partial_symtab *))); + found = 1; + break; + } + + /* If it's already in the list, skip the rest. */ + if (found) + continue; + + dependency_list[dependencies_used++] = needed_pst; + if (dependencies_used >= dependencies_allocated) + { + struct partial_symtab **orig = dependency_list; + dependency_list = + (struct partial_symtab **) + alloca ((dependencies_allocated *= 2) + * sizeof (struct partial_symtab *)); + memcpy ((PTR) dependency_list, (PTR) orig, + (dependencies_used + * sizeof (struct partial_symtab *))); #ifdef DEBUG_INFO - fprintf_unfiltered (gdb_stderr, "Had to reallocate dependency list.\n"); - fprintf_unfiltered (gdb_stderr, "New dependencies allocated: %d\n", - dependencies_allocated); + fprintf_unfiltered (gdb_stderr, "Had to reallocate dependency list.\n"); + fprintf_unfiltered (gdb_stderr, "New dependencies allocated: %d\n", + dependencies_allocated); #endif - } - } - } + } + } + } #endif /* DBXREAD_ONLY */ - continue; + continue; - case N_ENDM: + case N_ENDM: #ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* Solaris 2 end of module, finish current partial symbol table. - END_PSYMTAB will set pst->texthigh to the proper value, which - is necessary if a module compiled without debugging info - follows this module. */ - if (pst) - { - END_PSYMTAB (pst, psymtab_include_list, includes_used, - symnum * symbol_size, - (CORE_ADDR) 0, - dependency_list, dependencies_used, textlow_not_set); - pst = (struct partial_symtab *) 0; - includes_used = 0; - dependencies_used = 0; - } + /* Solaris 2 end of module, finish current partial symbol table. + END_PSYMTAB will set pst->texthigh to the proper value, which + is necessary if a module compiled without debugging info + follows this module. */ + if (pst) + { + END_PSYMTAB (pst, psymtab_include_list, includes_used, + symnum * symbol_size, + (CORE_ADDR) 0, + dependency_list, dependencies_used, textlow_not_set); + pst = (struct partial_symtab *) 0; + includes_used = 0; + dependencies_used = 0; + } #endif - continue; + continue; - case N_RBRAC: + case N_RBRAC: #ifdef HANDLE_RBRAC - HANDLE_RBRAC(CUR_SYMBOL_VALUE); - continue; + HANDLE_RBRAC (CUR_SYMBOL_VALUE); + continue; #endif - case N_EINCL: - case N_DSLINE: - case N_BSLINE: - case N_SSYM: /* Claim: Structure or union element. + case N_EINCL: + case N_DSLINE: + case N_BSLINE: + case N_SSYM: /* Claim: Structure or union element. Hopefully, I can ignore this. */ - case N_ENTRY: /* Alternate entry point; can ignore. */ - case N_MAIN: /* Can definitely ignore this. */ - case N_CATCH: /* These are GNU C++ extensions */ - case N_EHDECL: /* that can safely be ignored here. */ - case N_LENG: - case N_BCOMM: - case N_ECOMM: - case N_ECOML: - case N_FNAME: - case N_SLINE: - case N_RSYM: - case N_PSYM: - case N_LBRAC: - case N_NSYMS: /* Ultrix 4.0: symbol count */ - case N_DEFD: /* GNU Modula-2 */ - case N_ALIAS: /* SunPro F77: alias name, ignore for now. */ - - case N_OBJ: /* useless types from Solaris */ - case N_OPT: - /* These symbols aren't interesting; don't worry about them */ - - continue; - - default: - /* If we haven't found it yet, ignore it. It's probably some - new type we don't know about yet. */ - complain (&unknown_symtype_complaint, - local_hex_string (CUR_SYMBOL_TYPE)); - continue; - } + case N_ENTRY: /* Alternate entry point; can ignore. */ + case N_MAIN: /* Can definitely ignore this. */ + case N_CATCH: /* These are GNU C++ extensions */ + case N_EHDECL: /* that can safely be ignored here. */ + case N_LENG: + case N_BCOMM: + case N_ECOMM: + case N_ECOML: + case N_FNAME: + case N_SLINE: + case N_RSYM: + case N_PSYM: + case N_LBRAC: + case N_NSYMS: /* Ultrix 4.0: symbol count */ + case N_DEFD: /* GNU Modula-2 */ + case N_ALIAS: /* SunPro F77: alias name, ignore for now. */ + + case N_OBJ: /* useless types from Solaris */ + case N_OPT: + /* These symbols aren't interesting; don't worry about them */ + + continue; + + default: + /* If we haven't found it yet, ignore it. It's probably some + new type we don't know about yet. */ + complain (&unknown_symtype_complaint, + local_hex_string (CUR_SYMBOL_TYPE)); + continue; + } |