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* config/vax/tm-vax.h (BELIEVE_PCC_PROMOTION): Define.
* mipsread.c (parse_symbol, parse_type, cross_ref): Handle corrupt file indirect entries with complaints instead of core dumps. Remove complaint for stTypedef within aggregates.
This commit is contained in:
parent
486c47b94f
commit
6ac14d259e
@ -1,3 +1,10 @@
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Thu Aug 19 22:08:09 1993 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
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* config/vax/tm-vax.h (BELIEVE_PCC_PROMOTION): Define.
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* mipsread.c (parse_symbol, parse_type, cross_ref): Handle corrupt
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file indirect entries with complaints instead of core dumps. Remove
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complaint for stTypedef within aggregates.
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Thu Aug 19 17:58:39 1993 Jim Kingdon (kingdon@lioth.cygnus.com)
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* coffread.c (process_coff_symbol): Ignore tagnames like .0fake.
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512
gdb/mipsread.c
512
gdb/mipsread.c
@ -89,8 +89,7 @@ typedef struct mips_extra_func_info {
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#include "bfd.h"
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#include "coff/internal.h"
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#include "coff/mips.h" /* COFF-like aspects of ecoff files */
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#include "coff/ecoff-ext.h" /* External forms of ecoff sym structures */
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#include "coff/ecoff.h" /* COFF-like aspects of ecoff files */
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/* FIXME: coff/internal.h and aout/aout64.h both define N_ABS. We
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want the definition from aout/aout64.h. */
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@ -195,6 +194,15 @@ struct complaint pdr_static_symbol_complaint =
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struct complaint bad_setjmp_pdr_complaint =
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{"fixing bad setjmp PDR from libc", 0, 0};
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struct complaint bad_fbitfield_complaint =
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{"can't handle TIR fBitfield", 0, 0};
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struct complaint bad_rfd_entry_complaint =
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{"bad rfd entry for file %d, index %d", 0, 0};
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struct complaint unexpected_type_code_complaint =
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{"unexpected type code for %s", 0, 0};
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/* Macros and extra defs */
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/* Already-parsed symbols are marked specially */
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@ -367,8 +375,10 @@ mipscoff_symfile_read (objfile, section_offsets, mainline)
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struct section_offsets *section_offsets;
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int mainline;
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{
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struct cleanup * back_to;
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init_minimal_symbol_collection ();
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make_cleanup (discard_minimal_symbols, 0);
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back_to = make_cleanup (discard_minimal_symbols, 0);
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/* Now that the executable file is positioned at symbol table,
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process it and define symbols accordingly. */
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@ -379,6 +389,8 @@ mipscoff_symfile_read (objfile, section_offsets, mainline)
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minimal symbols for this objfile. */
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install_minimal_symbols (objfile);
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do_cleanups (back_to);
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}
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/* Perform any local cleanups required when we are done with a particular
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@ -480,9 +492,11 @@ get_rfd (cf, rf)
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/* Object files do not have the RFD table, all refs are absolute */
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if (f->rfdBase == 0)
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return fdrs + rf;
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ecoff_swap_rfd_in (cur_bfd,
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ecoff_data (cur_bfd)->external_rfd + f->rfdBase + rf,
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&rfd);
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(*ecoff_backend (cur_bfd)->swap_rfd_in)
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(cur_bfd,
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((char *) ecoff_data (cur_bfd)->external_rfd
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+ (f->rfdBase + rf) * ecoff_backend (cur_bfd)->external_rfd_size),
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&rfd);
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return fdrs + rfd;
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}
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@ -606,7 +620,7 @@ pop_parse_stack ()
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static struct mips_pending
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{
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struct mips_pending *next; /* link */
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struct sym_ext *s; /* the symbol */
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char *s; /* the unswapped symbol */
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struct type *t; /* its partial type descriptor */
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} **pending_list;
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@ -616,7 +630,7 @@ static struct mips_pending
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static struct mips_pending *
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is_pending_symbol (fh, sh)
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FDR *fh;
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struct sym_ext *sh;
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char *sh;
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{
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int f_idx = fh - ecoff_data (cur_bfd)->fdr;
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register struct mips_pending *p;
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@ -633,7 +647,7 @@ is_pending_symbol (fh, sh)
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static void
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add_pending (fh, sh, t)
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FDR *fh;
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struct sym_ext *sh;
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char *sh;
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struct type *t;
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{
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int f_idx = fh - ecoff_data (cur_bfd)->fdr;
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@ -691,9 +705,13 @@ static int
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parse_symbol (sh, ax, ext_sh, bigend)
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SYMR *sh;
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union aux_ext *ax;
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struct sym_ext *ext_sh;
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char *ext_sh;
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int bigend;
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{
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const bfd_size_type external_sym_size
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= ecoff_backend (cur_bfd)->external_sym_size;
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void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) =
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ecoff_backend (cur_bfd)->swap_sym_in;
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char *name;
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struct symbol *s;
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struct block *b;
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@ -704,7 +722,7 @@ parse_symbol (sh, ax, ext_sh, bigend)
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enum address_class class;
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TIR tir;
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if (ext_sh == (struct sym_ext *) NULL)
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if (ext_sh == (char *) NULL)
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name = ecoff_data (cur_bfd)->ssext + sh->iss;
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else
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name = ecoff_data (cur_bfd)->ss + cur_fdr->issBase + sh->iss;
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@ -817,14 +835,8 @@ parse_symbol (sh, ax, ext_sh, bigend)
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add_symbol (s, top_stack->cur_block);
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break;
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case stStaticProc:
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/* I believe this is used only for file-local functions.
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The comment in symconst.h ("load time only static procs") isn't
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particularly clear on this point. */
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prim_record_minimal_symbol (name, sh->value, mst_file_text);
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/* FALLTHROUGH */
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case stProc: /* Procedure, usually goes into global block */
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case stStaticProc: /* Static procedure, goes into current block */
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s = new_symbol (name);
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SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
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SYMBOL_CLASS (s) = LOC_BLOCK;
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@ -877,13 +889,14 @@ parse_symbol (sh, ax, ext_sh, bigend)
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top_stack->numargs = 0;
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sh->value = (long) SYMBOL_TYPE (s);
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sh->st = stParsed;
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break;
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/* Beginning of code for structure, union, and enum definitions.
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They all share a common set of local variables, defined here. */
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{
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enum type_code type_code;
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struct sym_ext *ext_tsym;
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char *ext_tsym;
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int nfields;
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long max_value;
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struct field *f;
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@ -922,11 +935,13 @@ parse_symbol (sh, ax, ext_sh, bigend)
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/* First count the number of fields and the highest value. */
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nfields = 0;
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max_value = 0;
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for (ext_tsym = ext_sh + 1; ; ext_tsym++)
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for (ext_tsym = ext_sh + external_sym_size;
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;
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ext_tsym += external_sym_size)
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{
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SYMR tsym;
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ecoff_swap_sym_in (cur_bfd, ext_tsym, &tsym);
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(*swap_sym_in) (cur_bfd, ext_tsym, &tsym);
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switch (tsym.st)
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{
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@ -954,20 +969,6 @@ parse_symbol (sh, ax, ext_sh, bigend)
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max_value = tsym.value;
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break;
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#if 0
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/* This does not fix the bug which it intended to fix,
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and makes GDB hang when reading its own symbol table on
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the SGI, when compiled with the SGI compiler. */
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case stTypedef:
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case stConstant:
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case stStaticProc:
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complain (&block_member_complaint, tsym.st);
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/* These are said to show up in cfront-generated programs.
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Apparently processing them like the following prevents
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core dumps. */
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/* FALLTHROUGH */
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#endif
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case stBlock:
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case stUnion:
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case stEnum:
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@ -985,14 +986,20 @@ parse_symbol (sh, ax, ext_sh, bigend)
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struct. Skip over the fields of the inner
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struct. The -1 is because the for loop will
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increment ext_tsym. */
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ext_tsym = (ecoff_data (cur_bfd)->external_sym
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+ cur_fdr->isymBase
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+ tsym.index
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- 1);
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ext_tsym = ((char *) ecoff_data (cur_bfd)->external_sym
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+ ((cur_fdr->isymBase + tsym.index - 1)
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* external_sym_size));
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}
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}
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break;
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case stTypedef:
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/* mips cc puts out a typedef for struct x if it is not yet
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defined when it encounters
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struct y { struct x *xp; };
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Just ignore it. */
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break;
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default:
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complain (&block_member_complaint, tsym.st);
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}
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@ -1053,16 +1060,24 @@ parse_symbol (sh, ax, ext_sh, bigend)
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TYPE_FIELDS (t) = f = ((struct field *)
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TYPE_ALLOC (t,
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nfields * sizeof (struct field)));
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/* Handle opaque struct definitions. */
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if (TYPE_NFIELDS (t) == 0)
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{
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TYPE_FLAGS (t) |= TYPE_FLAG_STUB;
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SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
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}
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if (type_code == TYPE_CODE_ENUM)
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{
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/* This is a non-empty enum. */
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for (ext_tsym = ext_sh + 1; ; ext_tsym++)
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for (ext_tsym = ext_sh + external_sym_size;
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;
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ext_tsym += external_sym_size)
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{
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SYMR tsym;
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struct symbol *enum_sym;
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ecoff_swap_sym_in (cur_bfd, ext_tsym, &tsym);
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(*swap_sym_in) (cur_bfd, ext_tsym, &tsym);
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if (tsym.st != stMember)
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break;
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@ -1096,6 +1111,7 @@ parse_symbol (sh, ax, ext_sh, bigend)
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top_stack->cur_field = 0;
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/* Mark that symbol has a type, and say which one */
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sh->value = (long) t;
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sh->st = stParsed;
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break;
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/* End of local variables shared by struct, union, enum, and
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@ -1197,6 +1213,44 @@ parse_symbol (sh, ax, ext_sh, bigend)
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add_symbol (s, top_stack->cur_block);
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SYMBOL_TYPE (s) = parse_type (ax + sh->index, 0, bigend);
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sh->value = (long) SYMBOL_TYPE (s);
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sh->st = stParsed;
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if (TYPE_TAG_NAME (SYMBOL_TYPE (s)) != NULL
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&& STREQ (TYPE_TAG_NAME (SYMBOL_TYPE (s)), "<undefined>"))
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{
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/* mips cc puts out a stTypedef for opaque struct definitions. */
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TYPE_FLAGS (SYMBOL_TYPE (s)) |= TYPE_FLAG_STUB;
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}
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/* Incomplete definitions of structs should not get a name. */
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if (TYPE_NAME (SYMBOL_TYPE (s)) == NULL
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&& (TYPE_NFIELDS (SYMBOL_TYPE (s)) != 0
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|| (TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_STRUCT
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&& TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_UNION)))
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{
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if (TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_PTR
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|| TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_FUNC)
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{
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/* If we are giving a name to a type such as "pointer to
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foo" or "function returning foo", we better not set
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the TYPE_NAME. If the program contains "typedef char
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*caddr_t;", we don't want all variables of type char
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* to print as caddr_t. This is not just a
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consequence of GDB's type management; CC and GCC (at
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least through version 2.4) both output variables of
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either type char * or caddr_t with the type
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refering to the stTypedef symbol for caddr_t. If a future
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compiler cleans this up it GDB is not ready for it
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yet, but if it becomes ready we somehow need to
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disable this check (without breaking the PCC/GCC2.4
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case).
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Sigh.
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Fortunately, this check seems not to be necessary
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for anything except pointers or functions. */
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}
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else
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TYPE_NAME (SYMBOL_TYPE (s)) = SYMBOL_NAME (s);
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}
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break;
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case stFile: /* file name */
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@ -1216,8 +1270,6 @@ parse_symbol (sh, ax, ext_sh, bigend)
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break;
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}
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sh->st = stParsed;
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return count;
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}
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@ -1268,7 +1320,6 @@ parse_type (ax, bs, bigend)
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TIR t[1];
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struct type *tp = 0;
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char *fmt;
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union aux_ext *tax;
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enum type_code type_code = TYPE_CODE_UNDEF;
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@ -1333,6 +1384,13 @@ parse_type (ax, bs, bigend)
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if (t->fBitfield)
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{
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/* Inhibit core dumps with some cfront generated objects that
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corrupt the TIR. */
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if (bs == (int *)NULL)
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{
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complain (&bad_fbitfield_complaint, t->bt);
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return builtin_type_int;
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}
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*bs = AUX_GET_WIDTH (bigend, ax);
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ax++;
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}
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@ -1357,25 +1415,41 @@ parse_type (ax, bs, bigend)
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tp = init_type (type_code, 0, 0, (char *) NULL,
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(struct objfile *) NULL);
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/* Usually, TYPE_CODE(tp) is already type_code. The main
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exception is if we guessed wrong re struct/union/enum. */
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if (TYPE_CODE (tp) != type_code)
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/* Make sure that TYPE_CODE(tp) has an expected type code.
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Any type may be returned from cross_ref if file indirect entries
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are corrupted. */
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if (TYPE_CODE (tp) != TYPE_CODE_STRUCT
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&& TYPE_CODE (tp) != TYPE_CODE_UNION
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&& TYPE_CODE (tp) != TYPE_CODE_ENUM)
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{
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complain (&bad_tag_guess_complaint, name);
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TYPE_CODE (tp) = type_code;
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complain (&unexpected_type_code_complaint, name);
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}
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else
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{
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/* Usually, TYPE_CODE(tp) is already type_code. The main
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exception is if we guessed wrong re struct/union/enum. */
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if (TYPE_CODE (tp) != type_code)
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{
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complain (&bad_tag_guess_complaint, name);
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TYPE_CODE (tp) = type_code;
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}
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/* Do not set the tag name if it is a compiler generated tag name
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(.Fxx or .xxfake or empty) for unnamed struct/union/enums. */
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if (name[0] == '.' || name[0] == '\0')
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TYPE_TAG_NAME (tp) = NULL;
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else if (TYPE_TAG_NAME (tp) == NULL
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|| !STREQ (TYPE_TAG_NAME (tp), name))
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TYPE_TAG_NAME (tp) = obsavestring (name, strlen (name),
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¤t_objfile->type_obstack);
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}
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/* Do not set the tag name if it is a compiler generated tag name
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(.Fxx or .xxfake) for unnamed struct/union/enums. */
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if (name[0] == '.')
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TYPE_TAG_NAME (tp) = NULL;
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else if (TYPE_TAG_NAME (tp) == NULL || !STREQ (TYPE_TAG_NAME (tp), name))
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TYPE_TAG_NAME (tp) = obsavestring (name, strlen (name),
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¤t_objfile->type_obstack);
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}
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/* All these types really point to some (common) MIPS type
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definition, and only the type-qualifiers fully identify
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them. We'll make the same effort at sharing. */
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them. We'll make the same effort at sharing.
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FIXME: btIndirect cannot happen here as it is handled by the
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switch t->bt above. And we are not doing any guessing on range types. */
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if (t->bt == btIndirect ||
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t->bt == btRange)
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{
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@ -1388,16 +1462,26 @@ parse_type (ax, bs, bigend)
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tp = init_type (type_code, 0, 0, (char *) NULL,
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(struct objfile *) NULL);
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/* Usually, TYPE_CODE(tp) is already type_code. The main
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exception is if we guessed wrong re struct/union/enum. */
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if (TYPE_CODE (tp) != type_code)
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/* Make sure that TYPE_CODE(tp) has an expected type code.
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Any type may be returned from cross_ref if file indirect entries
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are corrupted. */
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if (TYPE_CODE (tp) != TYPE_CODE_RANGE)
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{
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complain (&bad_tag_guess_complaint, name);
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TYPE_CODE (tp) = type_code;
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complain (&unexpected_type_code_complaint, name);
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}
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else
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{
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/* Usually, TYPE_CODE(tp) is already type_code. The main
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exception is if we guessed wrong re struct/union/enum. */
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if (TYPE_CODE (tp) != type_code)
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{
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complain (&bad_tag_guess_complaint, name);
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TYPE_CODE (tp) = type_code;
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}
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if (TYPE_NAME (tp) == NULL || !STREQ (TYPE_NAME (tp), name))
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TYPE_NAME (tp) = obsavestring (name, strlen (name),
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¤t_objfile->type_obstack);
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}
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if (TYPE_NAME (tp) == NULL || !STREQ (TYPE_NAME (tp), name))
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TYPE_NAME (tp) = obsavestring (name, strlen (name),
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¤t_objfile->type_obstack);
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}
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/* Deal with range types */
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@ -1580,9 +1664,11 @@ parse_procedure (pr, search_symtab, first_off)
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/* external */
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EXTR she;
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ecoff_swap_ext_in (cur_bfd,
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ecoff_data (cur_bfd)->external_ext + pr->isym,
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&she);
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(*ecoff_backend (cur_bfd)->swap_ext_in)
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(cur_bfd,
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((char *) ecoff_data (cur_bfd)->external_ext
|
||||
+ pr->isym * ecoff_backend (cur_bfd)->external_ext_size),
|
||||
&she);
|
||||
sh_name = ecoff_data (cur_bfd)->ssext + she.asym.iss;
|
||||
}
|
||||
}
|
||||
@ -1591,11 +1677,12 @@ parse_procedure (pr, search_symtab, first_off)
|
||||
/* Full symbols */
|
||||
SYMR sh;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ cur_fdr->isymBase
|
||||
+ pr->isym),
|
||||
&sh);
|
||||
(*ecoff_backend (cur_bfd)->swap_sym_in)
|
||||
(cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ ((cur_fdr->isymBase + pr->isym)
|
||||
* ecoff_backend (cur_bfd)->external_sym_size)),
|
||||
&sh);
|
||||
sh_name = ecoff_data (cur_bfd)->ss + cur_fdr->issBase + sh.iss;
|
||||
}
|
||||
|
||||
@ -1752,7 +1839,7 @@ parse_external (es, skip_procedures, bigend)
|
||||
case stLabel:
|
||||
/* Note that the case of a symbol with indexNil must be handled
|
||||
anyways by parse_symbol(). */
|
||||
parse_symbol (&es->asym, ax, (struct sym_ext *) NULL, bigend);
|
||||
parse_symbol (&es->asym, ax, (char *) NULL, bigend);
|
||||
/* Note that parse_symbol changed es->asym. */
|
||||
break;
|
||||
default:
|
||||
@ -1840,12 +1927,22 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
struct objfile *objfile;
|
||||
struct section_offsets *section_offsets;
|
||||
{
|
||||
const struct ecoff_backend_data * const backend = ecoff_backend (cur_bfd);
|
||||
const bfd_size_type external_sym_size = backend->external_sym_size;
|
||||
const bfd_size_type external_rfd_size = backend->external_rfd_size;
|
||||
const bfd_size_type external_ext_size = backend->external_ext_size;
|
||||
void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
|
||||
= backend->swap_ext_in;
|
||||
void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
|
||||
= backend->swap_sym_in;
|
||||
void (* const swap_rfd_in) PARAMS ((bfd *, PTR, RFDT *))
|
||||
= backend->swap_rfd_in;
|
||||
int f_idx, s_idx;
|
||||
HDRR *hdr = &ecoff_data (cur_bfd)->symbolic_header;
|
||||
/* Running pointers */
|
||||
FDR *fh;
|
||||
struct ext_ext *ext_out;
|
||||
struct ext_ext *ext_out_end;
|
||||
char *ext_out;
|
||||
char *ext_out_end;
|
||||
EXTR *ext_block;
|
||||
register EXTR *ext_in;
|
||||
EXTR *ext_in_end;
|
||||
@ -1911,11 +2008,11 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
ext_block = (EXTR *) xmalloc (hdr->iextMax * sizeof (EXTR));
|
||||
make_cleanup (free, ext_block);
|
||||
|
||||
ext_out = ecoff_data (cur_bfd)->external_ext;
|
||||
ext_out_end = ext_out + hdr->iextMax;
|
||||
ext_out = (char *) ecoff_data (cur_bfd)->external_ext;
|
||||
ext_out_end = ext_out + hdr->iextMax * external_ext_size;
|
||||
ext_in = ext_block;
|
||||
for (; ext_out < ext_out_end; ext_out++, ext_in++)
|
||||
ecoff_swap_ext_in (cur_bfd, ext_out, ext_in);
|
||||
for (; ext_out < ext_out_end; ext_out += external_ext_size, ext_in++)
|
||||
(*swap_ext_in) (cur_bfd, ext_out, ext_in);
|
||||
|
||||
/* Pass 1 over external syms: Presize and partition the list */
|
||||
ext_in = ext_block;
|
||||
@ -1951,9 +2048,24 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
case stProc:
|
||||
break;
|
||||
case stGlobal:
|
||||
ms_type = mst_data;
|
||||
if (ext_in->asym.sc == scData
|
||||
|| ext_in->asym.sc == scSData
|
||||
|| ext_in->asym.sc == scRData)
|
||||
ms_type = mst_data;
|
||||
else
|
||||
ms_type = mst_bss;
|
||||
break;
|
||||
case stLabel:
|
||||
if (ext_in->asym.sc == scAbs)
|
||||
ms_type = mst_abs;
|
||||
else if (ext_in->asym.sc == scText)
|
||||
ms_type = mst_text;
|
||||
else if (ext_in->asym.sc == scData
|
||||
|| ext_in->asym.sc == scSData
|
||||
|| ext_in->asym.sc == scRData)
|
||||
ms_type = mst_data;
|
||||
else
|
||||
ms_type = mst_bss;
|
||||
break;
|
||||
default:
|
||||
ms_type = mst_unknown;
|
||||
@ -2009,11 +2121,10 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
processing_gcc_compilation = 0;
|
||||
if (fh->csym >= 2)
|
||||
{
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ 1),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ (fh->isymBase + 1) * external_sym_size),
|
||||
&sh);
|
||||
if (STREQ (ecoff_data (cur_bfd)->ss + fh->issBase + sh.iss,
|
||||
stabs_symbol))
|
||||
processing_gcc_compilation = 2;
|
||||
@ -2026,13 +2137,12 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
int type_code;
|
||||
char *namestring;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ cur_sdx),
|
||||
&sh);
|
||||
type_code = MIPS_UNMARK_STAB (sh.index);
|
||||
if (!MIPS_IS_STAB (&sh))
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ (fh->isymBase + cur_sdx) * external_sym_size),
|
||||
&sh);
|
||||
type_code = ECOFF_UNMARK_STAB (sh.index);
|
||||
if (!ECOFF_IS_STAB (&sh))
|
||||
{
|
||||
if (sh.st == stProc || sh.st == stStaticProc)
|
||||
{
|
||||
@ -2044,12 +2154,12 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
(ecoff_data (cur_bfd)->external_aux
|
||||
+ fh->iauxBase
|
||||
+ sh.index));
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ isym
|
||||
- 1),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
(((char *)
|
||||
ecoff_data (cur_bfd)->external_sym)
|
||||
+ ((fh->isymBase + isym - 1)
|
||||
* external_sym_size)),
|
||||
&sh);
|
||||
if (sh.st == stEnd)
|
||||
{
|
||||
long high = procaddr + sh.value;
|
||||
@ -2078,20 +2188,22 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
char *name;
|
||||
enum address_class class;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ cur_sdx),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ ((fh->isymBase + cur_sdx)
|
||||
* external_sym_size)),
|
||||
&sh);
|
||||
|
||||
if (MIPS_IS_STAB (&sh))
|
||||
if (ECOFF_IS_STAB (&sh))
|
||||
{
|
||||
cur_sdx++;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (sh.sc == scUndefined || sh.sc == scNil ||
|
||||
sh.index == 0xfffff)
|
||||
/* Non absolute static symbols go into the minimal table. */
|
||||
if (sh.sc == scUndefined || sh.sc == scNil
|
||||
|| (sh.index == indexNil
|
||||
&& (sh.st != stStatic || sh.sc == scAbs)))
|
||||
{
|
||||
/* FIXME, premature? */
|
||||
cur_sdx++;
|
||||
@ -2106,8 +2218,14 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
long procaddr;
|
||||
int new_sdx;
|
||||
|
||||
case stProc: /* Asm labels apparently */
|
||||
case stStaticProc: /* Function */
|
||||
/* I believe this is used only for file-local functions.
|
||||
The comment in symconst.h ("load time only static procs")
|
||||
isn't particularly clear on this point. */
|
||||
prim_record_minimal_symbol (name, sh.value, mst_file_text);
|
||||
/* FALLTHROUGH */
|
||||
|
||||
case stProc: /* Asm labels apparently */
|
||||
ADD_PSYMBOL_TO_LIST (name, strlen (name),
|
||||
VAR_NAMESPACE, LOC_BLOCK,
|
||||
objfile->static_psymbols, sh.value,
|
||||
@ -2135,12 +2253,11 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
}
|
||||
|
||||
cur_sdx = new_sdx;
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ cur_sdx
|
||||
- 1),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ ((fh->isymBase + cur_sdx - 1)
|
||||
* external_sym_size)),
|
||||
&sh);
|
||||
if (sh.st != stEnd)
|
||||
continue;
|
||||
high = procaddr + sh.value;
|
||||
@ -2149,6 +2266,10 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
continue;
|
||||
|
||||
case stStatic: /* Variable */
|
||||
if (sh.sc == scData || sh.sc == scSData || sh.sc == scRData)
|
||||
prim_record_minimal_symbol (name, sh.value, mst_file_data);
|
||||
else
|
||||
prim_record_minimal_symbol (name, sh.value, mst_file_bss);
|
||||
class = LOC_STATIC;
|
||||
break;
|
||||
|
||||
@ -2218,7 +2339,6 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
PST_PRIVATE (save_pst)->extern_tab = ext_ptr;
|
||||
for (; --cur_sdx >= 0; ext_ptr++)
|
||||
{
|
||||
register struct partial_symbol *psym;
|
||||
enum address_class class;
|
||||
SYMR *psh;
|
||||
char *name;
|
||||
@ -2279,11 +2399,10 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
{
|
||||
RFDT rh;
|
||||
|
||||
ecoff_swap_rfd_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_rfd
|
||||
+ fh->rfdBase
|
||||
+ s_id0),
|
||||
&rh);
|
||||
(*swap_rfd_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_rfd
|
||||
+ (fh->rfdBase + s_id0) * external_rfd_size),
|
||||
&rh);
|
||||
if (rh == f_idx)
|
||||
{
|
||||
s_id0++; /* Skip self-dependency */
|
||||
@ -2301,11 +2420,10 @@ parse_partial_symbols (objfile, section_offsets)
|
||||
{
|
||||
RFDT rh;
|
||||
|
||||
ecoff_swap_rfd_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_rfd
|
||||
+ fh->rfdBase
|
||||
+ s_idx),
|
||||
&rh);
|
||||
(*swap_rfd_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_rfd
|
||||
+ (fh->rfdBase + s_idx) * external_rfd_size),
|
||||
&rh);
|
||||
if (rh < 0 || rh >= hdr->ifdMax)
|
||||
complain (&bad_file_number_complaint, rh);
|
||||
else
|
||||
@ -2328,6 +2446,10 @@ parse_fdr (f_idx, lev, objfile)
|
||||
int lev;
|
||||
struct objfile *objfile;
|
||||
{
|
||||
const bfd_size_type external_rfd_size
|
||||
= ecoff_backend (cur_bfd)->external_rfd_size;
|
||||
void (* const swap_rfd_in) PARAMS ((bfd *, PTR, RFDT *))
|
||||
= ecoff_backend (cur_bfd)->swap_rfd_in;
|
||||
register FDR *fh;
|
||||
register struct partial_symtab *pst;
|
||||
int s_idx, s_id0;
|
||||
@ -2372,11 +2494,10 @@ parse_fdr (f_idx, lev, objfile)
|
||||
{
|
||||
RFDT rh;
|
||||
|
||||
ecoff_swap_rfd_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_rfd
|
||||
+ fh->rfdBase
|
||||
+ s_id0),
|
||||
&rh);
|
||||
(*swap_rfd_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_rfd
|
||||
+ (fh->rfdBase + s_id0) * external_rfd_size),
|
||||
&rh);
|
||||
if (rh == f_idx)
|
||||
{
|
||||
s_id0++; /* Skip self-dependency */
|
||||
@ -2393,11 +2514,10 @@ parse_fdr (f_idx, lev, objfile)
|
||||
{
|
||||
RFDT rh;
|
||||
|
||||
ecoff_swap_rfd_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_rfd
|
||||
+ fh->rfdBase
|
||||
+ s_idx),
|
||||
&rh);
|
||||
(*swap_rfd_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_rfd
|
||||
+ (fh->rfdBase + s_idx) * external_rfd_size),
|
||||
&rh);
|
||||
pst->dependencies[s_idx - s_id0] = parse_fdr (rh, lev + 1, objfile);
|
||||
}
|
||||
|
||||
@ -2412,11 +2532,12 @@ mips_next_symbol_text ()
|
||||
SYMR sh;
|
||||
|
||||
cur_sdx++;
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ cur_fdr->isymBase
|
||||
+ cur_sdx),
|
||||
&sh);
|
||||
(*ecoff_backend (cur_bfd)->swap_sym_in)
|
||||
(cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ ((cur_fdr->isymBase + cur_sdx)
|
||||
* ecoff_backend (cur_bfd)->external_sym_size)),
|
||||
&sh);
|
||||
return ecoff_data (cur_bfd)->ss + cur_fdr->issBase + sh.iss;
|
||||
}
|
||||
|
||||
@ -2435,6 +2556,16 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
struct partial_symtab *pst;
|
||||
char *filename;
|
||||
{
|
||||
const bfd_size_type external_sym_size
|
||||
= ecoff_backend (cur_bfd)->external_sym_size;
|
||||
const bfd_size_type external_pdr_size
|
||||
= ecoff_backend (cur_bfd)->external_pdr_size;
|
||||
void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
|
||||
= ecoff_backend (cur_bfd)->swap_sym_in;
|
||||
void (* const swap_sym_out) PARAMS ((bfd *, const SYMR *, PTR))
|
||||
= ecoff_backend (cur_bfd)->swap_sym_out;
|
||||
void (* const swap_pdr_in) PARAMS ((bfd *, PTR, PDR *))
|
||||
= ecoff_backend (cur_bfd)->swap_pdr_in;
|
||||
int i;
|
||||
struct symtab *st;
|
||||
FDR *fh;
|
||||
@ -2488,11 +2619,10 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
{
|
||||
SYMR sh;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ 1),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ (fh->isymBase + 1) * external_sym_size),
|
||||
&sh);
|
||||
if (STREQ (ecoff_data (cur_bfd)->ss + fh->issBase + sh.iss,
|
||||
stabs_symbol))
|
||||
{
|
||||
@ -2504,8 +2634,8 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
|
||||
if (processing_gcc_compilation != 0)
|
||||
{
|
||||
struct pdr_ext *pdr_ptr;
|
||||
struct pdr_ext *pdr_end;
|
||||
char *pdr_ptr;
|
||||
char *pdr_end;
|
||||
int first_pdr;
|
||||
unsigned long first_off;
|
||||
|
||||
@ -2524,16 +2654,15 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
char *name;
|
||||
CORE_ADDR valu;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd,
|
||||
(ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase
|
||||
+ cur_sdx),
|
||||
&sh);
|
||||
(*swap_sym_in) (cur_bfd,
|
||||
((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ (fh->isymBase + cur_sdx) * external_sym_size),
|
||||
&sh);
|
||||
name = ecoff_data (cur_bfd)->ss + fh->issBase + sh.iss;
|
||||
valu = sh.value;
|
||||
if (MIPS_IS_STAB (&sh))
|
||||
if (ECOFF_IS_STAB (&sh))
|
||||
{
|
||||
int type_code = MIPS_UNMARK_STAB (sh.index);
|
||||
int type_code = ECOFF_UNMARK_STAB (sh.index);
|
||||
process_one_symbol (type_code, 0, valu, name,
|
||||
pst->section_offsets, pst->objfile);
|
||||
if (type_code == N_FUN)
|
||||
@ -2575,13 +2704,14 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
|
||||
/* Fill in procedure info next. */
|
||||
first_pdr = 1;
|
||||
pdr_ptr = ecoff_data (cur_bfd)->external_pdr + fh->ipdFirst;
|
||||
pdr_end = pdr_ptr + fh->cpd;
|
||||
for (; pdr_ptr < pdr_end; pdr_ptr++)
|
||||
pdr_ptr = ((char *) ecoff_data (cur_bfd)->external_pdr
|
||||
+ fh->ipdFirst * external_pdr_size);
|
||||
pdr_end = pdr_ptr + fh->cpd * external_pdr_size;
|
||||
for (; pdr_ptr < pdr_end; pdr_ptr += external_pdr_size)
|
||||
{
|
||||
PDR pr;
|
||||
|
||||
ecoff_swap_pdr_in (cur_bfd, pdr_ptr, &pr);
|
||||
(*swap_pdr_in) (cur_bfd, pdr_ptr, &pr);
|
||||
if (first_pdr)
|
||||
{
|
||||
first_off = pr.adr;
|
||||
@ -2641,26 +2771,27 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
|
||||
if (fh)
|
||||
{
|
||||
struct sym_ext *sym_ptr;
|
||||
struct sym_ext *sym_end;
|
||||
char *sym_ptr;
|
||||
char *sym_end;
|
||||
|
||||
/* Parse local symbols first */
|
||||
sym_ptr = ecoff_data (cur_bfd)->external_sym + fh->isymBase;
|
||||
sym_end = sym_ptr + fh->csym;
|
||||
sym_ptr = ((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ fh->isymBase * external_sym_size);
|
||||
sym_end = sym_ptr + fh->csym * external_sym_size;
|
||||
while (sym_ptr < sym_end)
|
||||
{
|
||||
SYMR sh;
|
||||
int c;
|
||||
|
||||
ecoff_swap_sym_in (cur_bfd, sym_ptr, &sh);
|
||||
(*swap_sym_in) (cur_bfd, sym_ptr, &sh);
|
||||
c = parse_symbol (&sh,
|
||||
(ecoff_data (cur_bfd)->external_aux
|
||||
+ fh->iauxBase),
|
||||
sym_ptr, fh->fBigendian);
|
||||
/* FIXME: We must swap the modified symbol back out,
|
||||
although we would rather not. See parse_symbol. */
|
||||
ecoff_swap_sym_out (cur_bfd, &sh, sym_ptr);
|
||||
sym_ptr += c;
|
||||
(*swap_sym_out) (cur_bfd, &sh, sym_ptr);
|
||||
sym_ptr += c * external_sym_size;
|
||||
}
|
||||
|
||||
/* Linenumbers. At the end, check if we can save memory.
|
||||
@ -2670,8 +2801,8 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
{
|
||||
PDR *pr_block;
|
||||
struct cleanup *old_chain;
|
||||
struct pdr_ext *pdr_ptr;
|
||||
struct pdr_ext *pdr_end;
|
||||
char *pdr_ptr;
|
||||
char *pdr_end;
|
||||
PDR *pdr_in;
|
||||
PDR *pdr_in_end;
|
||||
|
||||
@ -2679,11 +2810,14 @@ psymtab_to_symtab_1 (pst, filename)
|
||||
|
||||
old_chain = make_cleanup (free, pr_block);
|
||||
|
||||
pdr_ptr = ecoff_data (cur_bfd)->external_pdr + fh->ipdFirst;
|
||||
pdr_end = pdr_ptr + fh->cpd;
|
||||
pdr_ptr = ((char *) ecoff_data (cur_bfd)->external_pdr
|
||||
+ fh->ipdFirst * external_pdr_size);
|
||||
pdr_end = pdr_ptr + fh->cpd * external_pdr_size;
|
||||
pdr_in = pr_block;
|
||||
for (; pdr_ptr < pdr_end; pdr_ptr++, pdr_in++)
|
||||
ecoff_swap_pdr_in (cur_bfd, pdr_ptr, pdr_in);
|
||||
for (;
|
||||
pdr_ptr < pdr_end;
|
||||
pdr_ptr += external_pdr_size, pdr_in++)
|
||||
(*swap_pdr_in) (cur_bfd, pdr_ptr, pdr_in);
|
||||
|
||||
parse_lines (fh, pr_block, lines);
|
||||
if (lines->nitems < fh->cline)
|
||||
@ -2756,7 +2890,7 @@ cross_ref (ax, tpp, type_code, pname, bigend)
|
||||
int bigend;
|
||||
{
|
||||
RNDXR rn[1];
|
||||
unsigned rf;
|
||||
unsigned int rf;
|
||||
int result = 1;
|
||||
|
||||
ecoff_swap_rndx_in (bigend, &ax->a_rndx, rn);
|
||||
@ -2783,18 +2917,30 @@ cross_ref (ax, tpp, type_code, pname, bigend)
|
||||
* Find the relative file descriptor and the symbol in it
|
||||
*/
|
||||
FDR *fh = get_rfd (cur_fd, rf);
|
||||
struct sym_ext *esh;
|
||||
char *esh;
|
||||
SYMR sh;
|
||||
struct type *t;
|
||||
|
||||
if (rn->index >= fh->csym)
|
||||
{
|
||||
/* File indirect entry is corrupt. */
|
||||
*tpp = (struct type *)NULL;
|
||||
*pname = "<illegal>";
|
||||
complain (&bad_rfd_entry_complaint,
|
||||
fh - ecoff_data (cur_bfd)->fdr, rn->index);
|
||||
return result;
|
||||
}
|
||||
|
||||
/* If we have processed this symbol then we left a forwarding
|
||||
pointer to the corresponding GDB symbol. If not, we`ll put
|
||||
it in a list of pending symbols, to be processed later when
|
||||
the file will be. In any event, we collect the name for the
|
||||
type here. Which is why we made a first pass at strings. */
|
||||
|
||||
esh = ecoff_data (cur_bfd)->external_sym + fh->isymBase + rn->index;
|
||||
ecoff_swap_sym_in (cur_bfd, esh, &sh);
|
||||
esh = ((char *) ecoff_data (cur_bfd)->external_sym
|
||||
+ ((fh->isymBase + rn->index)
|
||||
* ecoff_backend (cur_bfd)->external_sym_size));
|
||||
(*ecoff_backend (cur_bfd)->swap_sym_in) (cur_bfd, esh, &sh);
|
||||
|
||||
/* Careful, we might be looking at .o files */
|
||||
if (sh.iss == 0)
|
||||
@ -2805,7 +2951,21 @@ cross_ref (ax, tpp, type_code, pname, bigend)
|
||||
seems to mean that we don't know. This is said to fix a problem
|
||||
with "info func opendir" on an SGI showing
|
||||
"struct BSDopendir.c *BSDopendir();". */
|
||||
*pname = "<unknown>";
|
||||
{
|
||||
*tpp = (struct type *)NULL;
|
||||
*pname = "<unknown>";
|
||||
return result;
|
||||
}
|
||||
else if ((sh.st != stBlock && sh.st != stTypedef && sh.st != stParsed)
|
||||
|| sh.sc != scInfo)
|
||||
{
|
||||
/* File indirect entry is corrupt. */
|
||||
*tpp = (struct type *)NULL;
|
||||
*pname = "<illegal>";
|
||||
complain (&bad_rfd_entry_complaint,
|
||||
fh - ecoff_data (cur_bfd)->fdr, rn->index);
|
||||
return result;
|
||||
}
|
||||
else
|
||||
*pname = ecoff_data (cur_bfd)->ss + fh->issBase + sh.iss;
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user