diff options
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/dbxread.c | 81 | ||||
| -rw-r--r-- | gdb/mdebugread.c | 79 |
3 files changed, 64 insertions, 103 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 118e13d..3b53382 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2002-09-18 Jim Blandy <jimb@redhat.com> + + * dbxread.c, mdebugread.c: Revert my change of 2001-10-23. Moving + texthigh and textlow to reader-specific structs caused + objfile_relocate to miss them. This is fixable, but the work that + the change was supposed to prepare GDB for never got done anyway. + 2002-09-18 David Carlton <carlton@math.stanford.edu> * MAINTAINERS: Alphabetize Write After Approval list. diff --git a/gdb/dbxread.c b/gdb/dbxread.c index 1d6024a..6592b74 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -76,14 +76,6 @@ struct symloc { - /* The start (inclusive) and end (exclusive) addresses for this - partial symtab's text. STABS doesn't reliably give us nice - start and end addresses for each function. Instead, we are - told the addresses of various boundary points, and we have to - gather those together to build ranges. These are our running - best guess as to the range of text addresses for this psymtab. */ - CORE_ADDR textlow, texthigh; - /* Offset within the file symbol table of first local symbol for this file. */ @@ -112,8 +104,6 @@ struct symloc #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff) #define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen) #define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private)) -#define TEXTLOW(p) (SYMLOC(p)->textlow) -#define TEXTHIGH(p) (SYMLOC(p)->texthigh) #define SYMBOL_SIZE(p) (SYMLOC(p)->symbol_size) #define SYMBOL_OFFSET(p) (SYMLOC(p)->symbol_offset) #define STRING_OFFSET(p) (SYMLOC(p)->string_offset) @@ -607,19 +597,6 @@ dbx_symfile_read (struct objfile *objfile, int mainline) read_dbx_dynamic_symtab (objfile); - /* Take the text ranges the STABS partial symbol scanner computed - for each of the psymtabs and convert it into the canonical form - for psymtabs. */ - { - struct partial_symtab *p; - - ALL_OBJFILE_PSYMTABS (objfile, p) - { - p->textlow = TEXTLOW (p); - p->texthigh = TEXTHIGH (p); - } - } - /* Install any minimal symbols that have been collected as the current minimal symbols for this objfile. */ @@ -1445,12 +1422,12 @@ read_dbx_symtab (struct objfile *objfile) if (past_first_source_file && pst /* The gould NP1 uses low values for .o and -l symbols which are not the address. */ - && nlist.n_value >= TEXTLOW (pst)) + && nlist.n_value >= pst->textlow) { end_psymtab (pst, psymtab_include_list, includes_used, symnum * symbol_size, - nlist.n_value > TEXTHIGH (pst) - ? nlist.n_value : TEXTHIGH (pst), + nlist.n_value > pst->texthigh + ? nlist.n_value : pst->texthigh, dependency_list, dependencies_used, textlow_not_set); pst = (struct partial_symtab *) 0; includes_used = 0; @@ -1572,7 +1549,7 @@ read_dbx_symtab (struct objfile *objfile) { end_psymtab (pst, psymtab_include_list, includes_used, symnum * symbol_size, - valu > TEXTHIGH (pst) ? valu : TEXTHIGH (pst), + valu > pst->texthigh ? valu : pst->texthigh, dependency_list, dependencies_used, prev_textlow_not_set); pst = (struct partial_symtab *) 0; @@ -1731,8 +1708,8 @@ read_dbx_symtab (struct objfile *objfile) function relative stabs, or the address of the function's end for old style stabs. */ valu = nlist.n_value + last_function_start; - if (TEXTHIGH (pst) == 0 || valu > TEXTHIGH (pst)) - TEXTHIGH (pst) = valu; + if (pst->texthigh == 0 || valu > pst->texthigh) + pst->texthigh = valu; break; } @@ -1934,7 +1911,7 @@ read_dbx_symtab (struct objfile *objfile) } if (pst && textlow_not_set) { - TEXTLOW (pst) = nlist.n_value; + pst->textlow = nlist.n_value; textlow_not_set = 0; } #endif @@ -1950,12 +1927,12 @@ read_dbx_symtab (struct objfile *objfile) the partial symbol table. */ if (pst && (textlow_not_set - || (nlist.n_value < TEXTLOW (pst) + || (nlist.n_value < pst->textlow && (nlist.n_value != ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile)))))) { - TEXTLOW (pst) = nlist.n_value; + pst->textlow = nlist.n_value; textlow_not_set = 0; } add_psymbol_to_list (namestring, p - namestring, @@ -1999,7 +1976,7 @@ read_dbx_symtab (struct objfile *objfile) } if (pst && textlow_not_set) { - TEXTLOW (pst) = nlist.n_value; + pst->textlow = nlist.n_value; textlow_not_set = 0; } #endif @@ -2015,12 +1992,12 @@ read_dbx_symtab (struct objfile *objfile) the partial symbol table. */ if (pst && (textlow_not_set - || (nlist.n_value < TEXTLOW (pst) + || (nlist.n_value < pst->textlow && (nlist.n_value != ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile)))))) { - TEXTLOW (pst) = nlist.n_value; + pst->textlow = nlist.n_value; textlow_not_set = 0; } add_psymbol_to_list (namestring, p - namestring, @@ -2132,7 +2109,7 @@ read_dbx_symtab (struct objfile *objfile) case N_ENDM: #ifdef SOFUN_ADDRESS_MAYBE_MISSING /* Solaris 2 end of module, finish current partial symbol table. - end_psymtab will set TEXTHIGH (pst) to the proper value, which + 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) @@ -2212,7 +2189,7 @@ read_dbx_symtab (struct objfile *objfile) end_psymtab (pst, psymtab_include_list, includes_used, symnum * symbol_size, - text_end > TEXTHIGH (pst) ? text_end : TEXTHIGH (pst), + text_end > pst->texthigh ? text_end : pst->texthigh, dependency_list, dependencies_used, textlow_not_set); } @@ -2238,8 +2215,6 @@ start_psymtab (struct objfile *objfile, char *filename, CORE_ADDR textlow, result->read_symtab_private = (char *) obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc)); - TEXTLOW (result) = result->textlow; - TEXTHIGH (result) = result->texthigh; LDSYMOFF (result) = ldsymoff; result->read_symtab = dbx_psymtab_to_symtab; SYMBOL_SIZE (result) = symbol_size; @@ -2275,7 +2250,7 @@ end_psymtab (struct partial_symtab *pst, char **include_list, int num_includes, if (capping_symbol_offset != -1) LDSYMLEN (pst) = capping_symbol_offset - LDSYMOFF (pst); - TEXTHIGH (pst) = capping_text; + pst->texthigh = capping_text; #ifdef SOFUN_ADDRESS_MAYBE_MISSING /* Under Solaris, the N_SO symbols always have a value of 0, @@ -2293,7 +2268,7 @@ end_psymtab (struct partial_symtab *pst, char **include_list, int num_includes, a reliable texthigh by taking the address plus size of the last function in the file. */ - if (TEXTHIGH (pst) == 0 && last_function_name) + if (pst->texthigh == 0 && last_function_name) { char *p; int n; @@ -2319,14 +2294,14 @@ end_psymtab (struct partial_symtab *pst, char **include_list, int num_includes, } if (minsym) - TEXTHIGH (pst) = SYMBOL_VALUE_ADDRESS (minsym) + MSYMBOL_SIZE (minsym); + pst->texthigh = SYMBOL_VALUE_ADDRESS (minsym) + MSYMBOL_SIZE (minsym); last_function_name = NULL; } /* this test will be true if the last .o file is only data */ if (textlow_not_set) - TEXTLOW (pst) = TEXTHIGH (pst); + pst->textlow = pst->texthigh; else { struct partial_symtab *p1; @@ -2339,12 +2314,12 @@ end_psymtab (struct partial_symtab *pst, char **include_list, int num_includes, ALL_OBJFILE_PSYMTABS (objfile, p1) { - if (TEXTHIGH (p1) == 0 && TEXTLOW (p1) != 0 && p1 != pst) + if (p1->texthigh == 0 && p1->textlow != 0 && p1 != pst) { - TEXTHIGH (p1) = TEXTLOW (pst); + p1->texthigh = pst->textlow; /* if this file has only data, then make textlow match texthigh */ - if (TEXTLOW (p1) == 0) - TEXTLOW (p1) = TEXTHIGH (p1); + if (p1->textlow == 0) + p1->textlow = p1->texthigh; } } } @@ -2381,8 +2356,8 @@ end_psymtab (struct partial_symtab *pst, char **include_list, int num_includes, sizeof (struct symloc)); LDSYMOFF (subpst) = LDSYMLEN (subpst) = - TEXTLOW (subpst) = - TEXTHIGH (subpst) = 0; + subpst->textlow = + subpst->texthigh = 0; /* We could save slight bits of space by only making one of these, shared by the entire set of include files. FIXME-someday. */ @@ -2550,8 +2525,8 @@ read_ofile_symtab (struct partial_symtab *pst) objfile = pst->objfile; sym_offset = LDSYMOFF (pst); sym_size = LDSYMLEN (pst); - text_offset = TEXTLOW (pst); - text_size = TEXTHIGH (pst) - TEXTLOW (pst); + text_offset = pst->textlow; + text_size = pst->texthigh - pst->textlow; /* This cannot be simply objfile->section_offsets because of elfstab_offset_sections() which initializes the psymtab section offsets information in a special way, and that is different from @@ -2696,13 +2671,13 @@ read_ofile_symtab (struct partial_symtab *pst) /* In a Solaris elf file, this variable, which comes from the value of the N_SO symbol, will still be 0. Luckily, text_offset, - which comes from TEXTLOW (pst) is correct. */ + which comes from pst->textlow is correct. */ if (last_source_start_addr == 0) last_source_start_addr = text_offset; /* In reordered executables last_source_start_addr may not be the lower bound for this symtab, instead use text_offset which comes - from TEXTLOW (pst) which is correct. */ + from pst->textlow which is correct. */ if (last_source_start_addr > text_offset) last_source_start_addr = text_offset; diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c index d920f8d..1695afd 100644 --- a/gdb/mdebugread.c +++ b/gdb/mdebugread.c @@ -106,11 +106,6 @@ extern void _initialize_mdebugread (void); struct symloc { - /* Our running best guess as to the range of text addresses for - this psymtab. After we've read everything in, we use this to - build pst->text_addrs. */ - CORE_ADDR textlow, texthigh; - /* Index of the FDR that this psymtab represents. */ int fdr_idx; /* The BFD that the psymtab was created from. */ @@ -126,8 +121,6 @@ struct symloc }; #define PST_PRIVATE(p) ((struct symloc *)(p)->read_symtab_private) -#define TEXTLOW(p) (PST_PRIVATE(p)->textlow) -#define TEXTHIGH(p) (PST_PRIVATE(p)->texthigh) #define FDR_IDX(p) (PST_PRIVATE(p)->fdr_idx) #define CUR_BFD(p) (PST_PRIVATE(p)->cur_bfd) #define DEBUG_SWAP(p) (PST_PRIVATE(p)->debug_swap) @@ -497,19 +490,6 @@ mdebug_build_psymtabs (struct objfile *objfile, parse_partial_symbols (objfile); - /* Take the text ranges the partial symbol scanner computed for each - of the psymtabs and convert it into the canonical form for - psymtabs. */ - { - struct partial_symtab *p; - - ALL_OBJFILE_PSYMTABS (objfile, p) - { - p->textlow = TEXTLOW (p); - p->texthigh = TEXTHIGH (p); - } - } - #if 0 /* Check to make sure file was compiled with -g. If not, warn the user of this limitation. */ @@ -2169,7 +2149,7 @@ parse_lines (FDR *fh, PDR *pr, struct linetable *lt, int maxlines, halt = base + fh->cbLine; base += pr->cbLineOffset; - adr = TEXTLOW (pst) + pr->adr - lowest_pdr_addr; + adr = pst->textlow + pr->adr - lowest_pdr_addr; l = adr >> 2; /* in words */ for (lineno = pr->lnLow; base < halt;) @@ -2550,8 +2530,6 @@ parse_partial_symbols (struct objfile *objfile) memset (pst->read_symtab_private, 0, sizeof (struct symloc)); save_pst = pst; - TEXTLOW (pst) = pst->textlow; - TEXTHIGH (pst) = pst->texthigh; FDR_IDX (pst) = f_idx; CUR_BFD (pst) = cur_bfd; DEBUG_SWAP (pst) = debug_swap; @@ -2587,7 +2565,7 @@ parse_partial_symbols (struct objfile *objfile) psymtab_language = prev_language; PST_PRIVATE (pst)->pst_language = psymtab_language; - TEXTHIGH (pst) = TEXTLOW (pst); + pst->texthigh = pst->textlow; /* For stabs-in-ecoff files, the second symbol must be @stab. This symbol is emitted by mips-tfile to signal that the @@ -2654,10 +2632,10 @@ parse_partial_symbols (struct objfile *objfile) /* Kludge for Irix 5.2 zero fh->adr. */ if (!relocatable - && (TEXTLOW (pst) == 0 || procaddr < TEXTLOW (pst))) - TEXTLOW (pst) = procaddr; - if (high > TEXTHIGH (pst)) - TEXTHIGH (pst) = high; + && (pst->textlow == 0 || procaddr < pst->textlow)) + pst->textlow = procaddr; + if (high > pst->texthigh) + pst->texthigh = high; } } else if (sh.st == stStatic) @@ -3231,10 +3209,11 @@ parse_partial_symbols (struct objfile *objfile) case N_ENDM: #ifdef SOFUN_ADDRESS_MAYBE_MISSING - /* Solaris 2 end of module, finish current partial symbol table. - END_PSYMTAB will set TEXTHIGH (pst) to the proper value, which - is necessary if a module compiled without debugging info - follows this module. */ + /* 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) { pst = (struct partial_symtab *) 0; @@ -3245,8 +3224,8 @@ parse_partial_symbols (struct objfile *objfile) continue; case N_RBRAC: - if (sh.value > TEXTHIGH (save_pst)) - TEXTHIGH (save_pst) = sh.value; + if (sh.value > save_pst->texthigh) + save_pst->texthigh = sh.value; continue; case N_EINCL: case N_DSLINE: @@ -3413,12 +3392,12 @@ parse_partial_symbols (struct objfile *objfile) /* Kludge for Irix 5.2 zero fh->adr. */ if (!relocatable - && (TEXTLOW (pst) == 0 || procaddr < TEXTLOW (pst))) - TEXTLOW (pst) = procaddr; + && (pst->textlow == 0 || procaddr < pst->textlow)) + pst->textlow = procaddr; high = procaddr + sh.value; - if (high > TEXTHIGH (pst)) - TEXTHIGH (pst) = high; + if (high > pst->texthigh) + pst->texthigh = high; continue; case stStatic: /* Variable */ @@ -3592,16 +3571,16 @@ parse_partial_symbols (struct objfile *objfile) empty and put on the free list. */ fdr_to_pst[f_idx].pst = end_psymtab (save_pst, psymtab_include_list, includes_used, - -1, TEXTHIGH (save_pst), + -1, save_pst->texthigh, dependency_list, dependencies_used, textlow_not_set); includes_used = 0; dependencies_used = 0; - if (objfile->ei.entry_point >= TEXTLOW (save_pst) && - objfile->ei.entry_point < TEXTHIGH (save_pst)) + if (objfile->ei.entry_point >= save_pst->textlow && + objfile->ei.entry_point < save_pst->texthigh) { - objfile->ei.entry_file_lowpc = TEXTLOW (save_pst); - objfile->ei.entry_file_highpc = TEXTHIGH (save_pst); + objfile->ei.entry_file_lowpc = save_pst->textlow; + objfile->ei.entry_file_highpc = save_pst->texthigh; } /* The objfile has its functions reordered if this partial symbol @@ -3617,15 +3596,15 @@ parse_partial_symbols (struct objfile *objfile) other cases. */ save_pst = fdr_to_pst[f_idx].pst; if (save_pst != NULL - && TEXTLOW (save_pst) != 0 + && save_pst->textlow != 0 && !(objfile->flags & OBJF_REORDERED)) { ALL_OBJFILE_PSYMTABS (objfile, pst) { if (save_pst != pst - && TEXTLOW (save_pst) >= TEXTLOW (pst) - && TEXTLOW (save_pst) < TEXTHIGH (pst) - && TEXTHIGH (save_pst) > TEXTHIGH (pst)) + && save_pst->textlow >= pst->textlow + && save_pst->textlow < pst->texthigh + && save_pst->texthigh > pst->texthigh) { objfile->flags |= OBJF_REORDERED; break; @@ -3829,7 +3808,7 @@ psymtab_to_symtab_1 (struct partial_symtab *pst, char *filename) /* Do nothing if this is a dummy psymtab. */ if (pst->n_global_syms == 0 && pst->n_static_syms == 0 - && TEXTLOW (pst) == 0 && TEXTHIGH (pst) == 0) + && pst->textlow == 0 && pst->texthigh == 0) return; /* Now read the symbols for this symtab */ @@ -3977,7 +3956,7 @@ psymtab_to_symtab_1 (struct partial_symtab *pst, char *filename) if (! last_symtab_ended) { - st = end_symtab (TEXTHIGH (pst), pst->objfile, SECT_OFF_TEXT (pst->objfile)); + st = end_symtab (pst->texthigh, pst->objfile, SECT_OFF_TEXT (pst->objfile)); end_stabs (); } @@ -4067,7 +4046,7 @@ psymtab_to_symtab_1 (struct partial_symtab *pst, char *filename) top_stack->cur_st = st; top_stack->cur_block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (st), STATIC_BLOCK); - BLOCK_START (top_stack->cur_block) = TEXTLOW (pst); + BLOCK_START (top_stack->cur_block) = pst->textlow; BLOCK_END (top_stack->cur_block) = 0; top_stack->blocktype = stFile; top_stack->maxsyms = 2 * f_max; |