--- /dev/null
+/* Routines to link ECOFF debugging information.
+ Copyright 1993 Free Software Foundation, Inc.
+ Written by Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>.
+
+This file is part of BFD, the Binary File Descriptor library.
+
+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.
+
+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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "bfd.h"
+#include "sysdep.h"
+#include "libbfd.h"
+#include "coff/internal.h"
+#include "coff/sym.h"
+#include "coff/symconst.h"
+#include "coff/ecoff.h"
+\f
+static boolean ecoff_add_bytes PARAMS ((char **buf, char **bufend,
+ bfd_size_type need));
+static bfd_size_type ecoff_add_string PARAMS ((struct ecoff_debug_info *,
+ FDR *fdr, const char *string));
+static void ecoff_align_debug PARAMS ((bfd *abfd,
+ struct ecoff_debug_info *debug,
+ const struct ecoff_debug_swap *swap));
+\f
+/* The minimum amount of data to allocate. */
+#define ALLOC_SIZE (4064)
+
+/* Add bytes to a buffer. Return success. */
+
+static boolean
+ecoff_add_bytes (buf, bufend, need)
+ char **buf;
+ char **bufend;
+ bfd_size_type need;
+{
+ bfd_size_type have;
+ bfd_size_type want;
+ char *newbuf;
+
+ have = *bufend - *buf;
+ if (have > need)
+ want = ALLOC_SIZE;
+ else
+ {
+ want = need - have;
+ if (want < ALLOC_SIZE)
+ want = ALLOC_SIZE;
+ }
+ if (*buf == NULL)
+ newbuf = (char *) malloc (have + want);
+ else
+ newbuf = (char *) realloc (*buf, have + want);
+ if (newbuf == NULL)
+ {
+ bfd_error = no_memory;
+ return false;
+ }
+ *buf = newbuf;
+ *bufend = *buf + have + want;
+ return true;
+}
+
+/* Accumulate the debugging information from INPUT_BFD into
+ OUTPUT_BFD. The INPUT_DEBUG argument points to some ECOFF
+ debugging information which we want to link into the information
+ pointed to by the OUTPUT_DEBUG argument. OUTPUT_SWAP and
+ INPUT_SWAP point to the swapping information needed. */
+
+boolean
+bfd_ecoff_debug_accumulate (output_bfd, output_debug, output_swap,
+ input_bfd, input_debug, input_swap,
+ relocateable)
+ bfd *output_bfd;
+ struct ecoff_debug_info *output_debug;
+ const struct ecoff_debug_swap *output_swap;
+ bfd *input_bfd;
+ struct ecoff_debug_info *input_debug;
+ const struct ecoff_debug_swap *input_swap;
+ boolean relocateable;
+{
+ void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
+ = input_swap->swap_sym_in;
+ void (* const swap_sym_out) PARAMS ((bfd *, const SYMR *, PTR))
+ = output_swap->swap_sym_out;
+ void (* const swap_fdr_out) PARAMS ((bfd *, const FDR *, PTR))
+ = output_swap->swap_fdr_out;
+ void (* const swap_rfd_out) PARAMS ((bfd *, const RFDT *, PTR))
+ = output_swap->swap_rfd_out;
+ HDRR *output_symhdr;
+ HDRR *input_symhdr;
+ bfd_vma section_adjust[scMax];
+ asection *sec;
+ char *sym_out;
+ char *lraw_src;
+ char *lraw_end;
+ char *fdr_ptr;
+ char *fdr_end;
+ bfd_size_type fdr_add;
+ char *fdr_out;
+
+ output_symhdr = &output_debug->symbolic_header;
+ input_symhdr = &input_debug->symbolic_header;
+
+ /* Make sure the buffers are large enough. */
+#define CHECK(start, end, count, size) \
+ if ((char *) output_debug->end - (char *) output_debug->start \
+ < (output_symhdr->count + input_symhdr->count) * size) \
+ { \
+ if (! ecoff_add_bytes ((char **) &output_debug->start, \
+ (char **) &output_debug->end, \
+ ((output_symhdr->count \
+ + input_symhdr->count) \
+ * size))) \
+ return false; \
+ }
+
+ CHECK (line, line_end, cbLine, sizeof (unsigned char));
+#if 0
+ /* I don't think dense number information is needed. */
+ CHECK (external_dnr, external_dnr_end, idnMax,
+ output_swap->external_dnr_size);
+#endif
+ CHECK (external_pdr, external_pdr_end, ipdMax,
+ output_swap->external_pdr_size);
+ CHECK (external_sym, external_sym_end, isymMax,
+ output_swap->external_sym_size);
+ CHECK (external_opt, external_opt_end, ioptMax,
+ output_swap->external_opt_size);
+ CHECK (external_aux, external_aux_end, iauxMax,
+ sizeof (union aux_ext));
+ CHECK (ss, ss_end, issMax, sizeof (char));
+ CHECK (external_fdr, external_fdr_end, ifdMax,
+ output_swap->external_fdr_size);
+
+ /* The RFD's are special, since we create them if needed. */
+ {
+ bfd_size_type crfd;
+
+ crfd = input_symhdr->crfd;
+ if (input_symhdr->crfd == 0)
+ input_symhdr->crfd = input_symhdr->ifdMax;
+ CHECK (external_rfd, external_rfd_end, crfd,
+ output_swap->external_rfd_size);
+ input_symhdr->crfd = crfd;
+ }
+
+#undef CHECK
+
+ /* Use section_adjust to hold the value to add to a symbol in a
+ particular section. */
+ memset ((PTR) section_adjust, 0, sizeof section_adjust);
+
+#define SET(name, indx) \
+ sec = bfd_get_section_by_name (input_bfd, name); \
+ if (sec != NULL) \
+ section_adjust[indx] = (sec->output_section->vma \
+ + sec->output_offset \
+ - sec->vma);
+
+ SET (".text", scText);
+ SET (".data", scData);
+ SET (".bss", scBss);
+ SET (".sdata", scSData);
+ SET (".sbss", scSBss);
+ /* scRdata section may be either .rdata or .rodata. */
+ SET (".rdata", scRData);
+ SET (".rodata", scRData);
+ SET (".init", scInit);
+ SET (".fini", scFini);
+
+#undef SET
+
+ /* Swap in the local symbols, adjust their values, and swap them out
+ again. The external symbols are handled separately. */
+ sym_out = ((char *) output_debug->external_sym
+ + output_symhdr->isymMax * output_swap->external_sym_size);
+ lraw_src = (char *) input_debug->external_sym;
+ lraw_end = lraw_src + input_symhdr->isymMax * input_swap->external_sym_size;
+ for (; lraw_src < lraw_end; lraw_src += input_swap->external_sym_size)
+ {
+ SYMR internal_sym;
+
+ (*swap_sym_in) (input_bfd, (PTR) lraw_src, &internal_sym);
+
+ BFD_ASSERT (internal_sym.sc != scCommon
+ && internal_sym.sc != scSCommon);
+
+ /* Adjust the symbol value if appropriate. */
+ switch (internal_sym.st)
+ {
+ case stNil:
+ if (ECOFF_IS_STAB (&internal_sym))
+ break;
+ /* Fall through. */
+ case stGlobal:
+ case stStatic:
+ case stLabel:
+ case stProc:
+ case stStaticProc:
+ internal_sym.value += section_adjust[internal_sym.sc];
+ break;
+
+ default:
+ break;
+ }
+
+ (*swap_sym_out) (output_bfd, &internal_sym, sym_out);
+ sym_out += output_swap->external_sym_size;
+ }
+
+ /* Copy the information that does not need swapping. */
+ memcpy (output_debug->line + output_symhdr->cbLine,
+ input_debug->line,
+ input_symhdr->cbLine * sizeof (unsigned char));
+ memcpy (output_debug->external_aux + output_symhdr->iauxMax,
+ input_debug->external_aux,
+ input_symhdr->iauxMax * sizeof (union aux_ext));
+ memcpy (output_debug->ss + output_symhdr->issMax,
+ input_debug->ss,
+ input_symhdr->issMax * sizeof (char));
+
+ /* Some of the information may need to be swapped. */
+ if (output_bfd->xvec->header_byteorder_big_p
+ == input_bfd->xvec->header_byteorder_big_p)
+ {
+ /* The two BFD's have the same endianness, so memcpy will
+ suffice. */
+#if 0
+ /* I don't think dense number information is needed. */
+ BFD_ASSERT (output_swap->external_dnr_size
+ == input_swap->external_dnr_size);
+ if (input_symhdr->idnMax > 0)
+ memcpy (((char *) output_debug->external_dnr
+ + output_symhdr->idnMax * output_swap->external_dnr_size),
+ input_debug->external_dnr,
+ input_symhdr->idnMax * output_swap->external_dnr_size);
+#endif
+ BFD_ASSERT (output_swap->external_pdr_size
+ == input_swap->external_pdr_size);
+ if (input_symhdr->ipdMax > 0)
+ memcpy (((char *) output_debug->external_pdr
+ + output_symhdr->ipdMax * output_swap->external_pdr_size),
+ input_debug->external_pdr,
+ input_symhdr->ipdMax * output_swap->external_pdr_size);
+ BFD_ASSERT (output_swap->external_opt_size
+ == input_swap->external_opt_size);
+ if (input_symhdr->ioptMax > 0)
+ memcpy (((char *) output_debug->external_opt
+ + output_symhdr->ioptMax * output_swap->external_opt_size),
+ input_debug->external_opt,
+ input_symhdr->ioptMax * output_swap->external_opt_size);
+ }
+ else
+ {
+ bfd_size_type outsz, insz;
+ char *in;
+ char *end;
+ char *out;
+
+ /* The two BFD's have different endianness, so we must swap
+ everything in and out. This code would always work, but it
+ would be slow in the normal case. */
+#if 0
+ /* I don't think dense number information is needed. */
+ outsz = output_swap->external_dnr_size;
+ insz = input_swap->external_dnr_size;
+ in = (char *) input_debug->external_dnr;
+ end = in + input_symhdr->idnMax * insz;
+ out = ((char *) output_debug->external_dnr
+ + output_symhdr->idnMax * outsz);
+ for (; in < end; in += insz, out += outsz)
+ {
+ DNR dnr;
+
+ (*input_swap->swap_dnr_in) (input_bfd, in, &dnr);
+ (*output_swap->swap_dnr_out) (output_bfd, &dnr, out);
+ }
+#endif
+
+ outsz = output_swap->external_pdr_size;
+ insz = input_swap->external_pdr_size;
+ in = (char *) input_debug->external_pdr;
+ end = in + input_symhdr->ipdMax * insz;
+ out = ((char *) output_debug->external_pdr
+ + output_symhdr->ipdMax * outsz);
+ for (; in < end; in += insz, out += outsz)
+ {
+ PDR pdr;
+
+ (*input_swap->swap_pdr_in) (input_bfd, in, &pdr);
+ (*output_swap->swap_pdr_out) (output_bfd, &pdr, out);
+ }
+
+ outsz = output_swap->external_opt_size;
+ insz = input_swap->external_opt_size;
+ in = (char *) input_debug->external_opt;
+ end = in + input_symhdr->ioptMax * insz;
+ out = ((char *) output_debug->external_opt
+ + output_symhdr->ioptMax * outsz);
+ for (; in < end; in += insz, out += outsz)
+ {
+ OPTR opt;
+
+ (*input_swap->swap_opt_in) (input_bfd, in, &opt);
+ (*output_swap->swap_opt_out) (output_bfd, &opt, out);
+ }
+ }
+
+ /* Set ifdbase so that the external symbols know how to adjust their
+ ifd values. */
+ input_debug->ifdbase = output_symhdr->ifdMax;
+
+ /* We need to handle the FDR's whether they are swapped or not. */
+ if (input_debug->fdr != (FDR *) NULL)
+ {
+ fdr_ptr = (char *) input_debug->fdr;
+ fdr_add = sizeof (FDR);
+ }
+ else
+ {
+ fdr_ptr = (char *) input_debug->external_fdr;
+ fdr_add = input_swap->external_fdr_size;
+ }
+ fdr_end = fdr_ptr + input_symhdr->ifdMax * fdr_add;
+ fdr_out = ((char *) output_debug->external_fdr
+ + output_symhdr->ifdMax * output_swap->external_fdr_size);
+ for (;
+ fdr_ptr < fdr_end;
+ fdr_ptr += fdr_add, fdr_out += output_swap->external_fdr_size)
+ {
+ FDR fdr;
+
+ if (input_debug->fdr != (FDR *) NULL)
+ fdr = *(FDR *) fdr_ptr;
+ else
+ (*input_swap->swap_fdr_in) (input_bfd, (PTR) fdr_ptr, &fdr);
+
+ /* FIXME: It is conceivable that this FDR points to the .init or
+ .fini section, in which case this will not do the right
+ thing. */
+ fdr.adr += section_adjust[scText];
+
+ fdr.issBase += output_symhdr->issMax;
+ fdr.isymBase += output_symhdr->isymMax;
+ fdr.ilineBase += output_symhdr->ilineMax;
+ fdr.ioptBase += output_symhdr->ioptMax;
+ fdr.ipdFirst += output_symhdr->ipdMax;
+ fdr.iauxBase += output_symhdr->iauxMax;
+ fdr.rfdBase += output_symhdr->crfd;
+
+ /* If there are no RFD's, we are going to add some. We don't
+ want to adjust crfd for this, so that all the FDR's can share
+ the RFD's. */
+ if (input_symhdr->crfd == 0)
+ fdr.crfd = input_symhdr->ifdMax;
+
+ if (fdr.cbLine != 0)
+ fdr.cbLineOffset += output_symhdr->cbLine;
+
+ (*swap_fdr_out) (output_bfd, &fdr, fdr_out);
+ }
+
+ if (input_symhdr->crfd > 0)
+ {
+ void (* const swap_rfd_in) PARAMS ((bfd *, PTR, RFDT *))
+ = input_swap->swap_rfd_in;
+ bfd_size_type outsz, insz;
+ char *rfd_in;
+ char *rfd_end;
+ char *rfd_out;
+
+ /* Swap and adjust the RFD's. RFD's are only created by the
+ linker, so this will only be necessary if one of the input
+ files is the result of a partial link. Presumably all
+ necessary RFD's are present. */
+ outsz = output_swap->external_rfd_size;
+ insz = input_swap->external_rfd_size;
+ rfd_in = (char *) input_debug->external_rfd;
+ rfd_end = rfd_in + input_symhdr->crfd * insz;
+ rfd_out = ((char *) output_debug->external_rfd
+ + output_symhdr->crfd * outsz);
+ for (;
+ rfd_in < rfd_end;
+ rfd_in += insz, rfd_out += outsz)
+ {
+ RFDT rfd;
+
+ (*swap_rfd_in) (input_bfd, rfd_in, &rfd);
+ rfd += output_symhdr->ifdMax;
+ (*swap_rfd_out) (output_bfd, &rfd, rfd_out);
+ }
+ output_symhdr->crfd += input_symhdr->crfd;
+ }
+ else
+ {
+ bfd_size_type outsz;
+ char *rfd_out;
+ char *rfd_end;
+ RFDT rfd;
+
+ /* Create RFD's. Some of the debugging information includes
+ relative file indices. These indices are taken as indices to
+ the RFD table if there is one, or to the global table if
+ there is not. If we did not create RFD's, we would have to
+ parse and adjust all the debugging information which contains
+ file indices. */
+ outsz = output_swap->external_rfd_size;
+ rfd = output_symhdr->ifdMax;
+ rfd_out = ((char *) output_debug->external_rfd
+ + output_symhdr->crfd * outsz);
+ rfd_end = (rfd_out + input_symhdr->ifdMax * outsz);
+ for (; rfd_out < rfd_end; rfd_out += outsz, rfd++)
+ (*swap_rfd_out) (output_bfd, &rfd, rfd_out);
+ output_symhdr->crfd += input_symhdr->ifdMax;
+ }
+
+ /* Update the counts. */
+ output_symhdr->ilineMax += input_symhdr->ilineMax;
+ output_symhdr->cbLine += input_symhdr->cbLine;
+#if 0
+ /* I don't think dense number information is needed. */
+ output_symhdr->idnMax += input_symhdr->idnMax;
+#endif
+ output_symhdr->ipdMax += input_symhdr->ipdMax;
+ output_symhdr->isymMax += input_symhdr->isymMax;
+ output_symhdr->ioptMax += input_symhdr->ioptMax;
+ output_symhdr->iauxMax += input_symhdr->iauxMax;
+ output_symhdr->issMax += input_symhdr->issMax;
+ output_symhdr->ifdMax += input_symhdr->ifdMax;
+
+ return true;
+}
+
+/* Add a string to the debugging information we are accumulating.
+ Return the offset from the fdr string base. */
+
+static bfd_size_type
+ecoff_add_string (output, fdr, string)
+ struct ecoff_debug_info *output;
+ FDR *fdr;
+ const char *string;
+{
+ HDRR *symhdr;
+ size_t len;
+ bfd_size_type ret;
+
+ symhdr = &output->symbolic_header;
+ len = strlen (string);
+ if (output->ss_end - output->ss < symhdr->issMax + len + 1)
+ {
+ if (ecoff_add_bytes (&output->ss, &output->ss_end,
+ symhdr->issMax + len + 1) == false)
+ return -1;
+ }
+ memcpy (output->ss + symhdr->issMax, string, len + 1);
+ ret = fdr->cbSs;
+ symhdr->issMax += len + 1;
+ fdr->cbSs += len + 1;
+ return ret;
+}
+
+/* Add debugging information from a non-ECOFF file. */
+
+boolean
+bfd_ecoff_debug_link_other (output_bfd, output_debug, output_swap, input_bfd)
+ bfd *output_bfd;
+ struct ecoff_debug_info *output_debug;
+ const struct ecoff_debug_swap *output_swap;
+ bfd *input_bfd;
+{
+ void (* const swap_sym_out) PARAMS ((bfd *, const SYMR *, PTR))
+ = output_swap->swap_sym_out;
+ HDRR *output_symhdr = &output_debug->symbolic_header;
+ FDR fdr;
+ asection *sec;
+ asymbol **symbols;
+ asymbol **sym_ptr;
+ asymbol **sym_end;
+
+ memset (&fdr, 0, sizeof fdr);
+
+ sec = bfd_get_section_by_name (input_bfd, ".text");
+ if (sec != NULL)
+ fdr.adr = sec->output_section->vma + sec->output_offset;
+ else
+ {
+ /* FIXME: What about .init or .fini? */
+ fdr.adr = 0;
+ }
+
+ fdr.issBase = output_symhdr->issMax;
+ fdr.cbSs = 0;
+ fdr.rss = ecoff_add_string (output_debug, &fdr,
+ bfd_get_filename (input_bfd));
+ fdr.isymBase = output_symhdr->isymMax;
+
+ /* Get the local symbols from the input BFD. */
+ symbols = (asymbol **) bfd_alloc (output_bfd,
+ get_symtab_upper_bound (input_bfd));
+ if (symbols == (asymbol **) NULL)
+ {
+ bfd_error = no_memory;
+ return false;
+ }
+ sym_end = symbols + bfd_canonicalize_symtab (input_bfd, symbols);
+
+ /* Handle the local symbols. Any external symbols are handled
+ separately. */
+ fdr.csym = 0;
+ for (sym_ptr = symbols; sym_ptr != sym_end; sym_ptr++)
+ {
+ SYMR internal_sym;
+
+ if (((*sym_ptr)->flags & BSF_EXPORT) != 0)
+ continue;
+ memset (&internal_sym, 0, sizeof internal_sym);
+ internal_sym.iss = ecoff_add_string (output_debug, &fdr,
+ (*sym_ptr)->name);
+
+ if (bfd_is_com_section ((*sym_ptr)->section)
+ || (*sym_ptr)->section == &bfd_und_section)
+ internal_sym.value = (*sym_ptr)->value;
+ else
+ internal_sym.value = ((*sym_ptr)->value
+ + (*sym_ptr)->section->output_offset
+ + (*sym_ptr)->section->output_section->vma);
+ internal_sym.st = stNil;
+ internal_sym.sc = scUndefined;
+ internal_sym.index = indexNil;
+
+ if (((char *) output_debug->external_sym_end
+ - (char *) output_debug->external_sym)
+ < (output_symhdr->isymMax + 1) * output_swap->external_sym_size)
+ {
+ if (! ecoff_add_bytes ((char **) &output_debug->external_sym,
+ (char **) &output_debug->external_sym_end,
+ ((output_symhdr->isymMax + 1)
+ * output_swap->external_sym_size)))
+ return false;
+ }
+
+ (*swap_sym_out) (output_bfd, &internal_sym,
+ ((char *) output_debug->external_sym
+ + (output_symhdr->isymMax
+ * output_swap->external_sym_size)));
+ ++fdr.csym;
+ ++output_symhdr->isymMax;
+ }
+
+ bfd_release (output_bfd, (PTR) symbols);
+
+ if (((char *) output_debug->external_fdr_end
+ - (char *) output_debug->external_fdr)
+ < (output_symhdr->ifdMax + 1) * output_swap->external_fdr_size)
+ {
+ if (! ecoff_add_bytes ((char **) &output_debug->external_fdr,
+ (char **) &output_debug->external_fdr_end,
+ ((output_symhdr->ifdMax + 1)
+ * output_swap->external_fdr_size)))
+ return false;
+ }
+
+ /* Leave everything else in the FDR zeroed out. This will cause
+ the lang field to be langC. The fBigendian field will
+ indicate little endian format, but it doesn't matter because
+ it only applies to aux fields and there are none. */
+ (*output_swap->swap_fdr_out)
+ (output_bfd, &fdr,
+ ((char *) output_debug->external_fdr
+ + output_symhdr->ifdMax * output_swap->external_fdr_size));
+ ++output_symhdr->ifdMax;
+ return true;
+}
+
+/* Set up ECOFF debugging information for the external symbols. */
+
+boolean
+bfd_ecoff_debug_externals (abfd, debug, swap, relocateable, get_extr,
+ set_index)
+ bfd *abfd;
+ struct ecoff_debug_info *debug;
+ const struct ecoff_debug_swap *swap;
+ boolean relocateable;
+ boolean (*get_extr) PARAMS ((asymbol *, EXTR *));
+ void (*set_index) PARAMS ((asymbol *, bfd_size_type));
+{
+ const bfd_size_type external_ext_size = swap->external_ext_size;
+ void (* const swap_ext_out) PARAMS ((bfd *, const EXTR *, PTR))
+ = swap->swap_ext_out;
+ HDRR * const symhdr = &debug->symbolic_header;
+ asymbol **sym_ptr_ptr;
+ size_t c;
+
+ sym_ptr_ptr = bfd_get_outsymbols (abfd);
+ if (sym_ptr_ptr == NULL)
+ return true;
+
+ for (c = bfd_get_symcount (abfd); c > 0; c--, sym_ptr_ptr++)
+ {
+ asymbol *sym_ptr;
+ EXTR esym;
+
+ sym_ptr = *sym_ptr_ptr;
+
+ /* Get the external symbol information. */
+ if ((*get_extr) (sym_ptr, &esym) == false)
+ continue;
+
+ /* If we're producing an executable, move common symbols into
+ bss. */
+ if (relocateable == false)
+ {
+ if (esym.asym.sc == scCommon)
+ esym.asym.sc = scBss;
+ else if (esym.asym.sc == scSCommon)
+ esym.asym.sc = scSBss;
+ }
+
+ if (debug->ssext_end - debug->ssext
+ < symhdr->issExtMax + strlen (sym_ptr->name) + 1)
+ {
+ if (ecoff_add_bytes ((char **) &debug->ssext,
+ (char **) &debug->ssext_end,
+ symhdr->issExtMax + strlen (sym_ptr->name) + 1)
+ == false)
+ return false;
+ }
+ if ((char *) debug->external_ext_end - (char *) debug->external_ext
+ < (symhdr->iextMax + 1) * external_ext_size)
+ {
+ if (ecoff_add_bytes ((char **) &debug->external_ext,
+ (char **) &debug->external_ext_end,
+ (symhdr->iextMax + 1) * external_ext_size)
+ == false)
+ return false;
+ }
+
+ esym.asym.iss = symhdr->issExtMax;
+
+ if (bfd_is_com_section (sym_ptr->section)
+ || sym_ptr->section == &bfd_und_section)
+ esym.asym.value = sym_ptr->value;
+ else
+ esym.asym.value = (sym_ptr->value
+ + sym_ptr->section->output_offset
+ + sym_ptr->section->output_section->vma);
+
+ (*swap_ext_out) (abfd, &esym,
+ ((char *) debug->external_ext
+ + symhdr->iextMax * swap->external_ext_size));
+
+ if (set_index)
+ (*set_index) (sym_ptr, symhdr->iextMax);
+
+ ++symhdr->iextMax;
+
+ strcpy (debug->ssext + symhdr->issExtMax, sym_ptr->name);
+ symhdr->issExtMax += strlen (sym_ptr->name) + 1;
+ }
+
+ return true;
+}
+
+/* Align the ECOFF debugging information. */
+
+static void
+ecoff_align_debug (abfd, debug, swap)
+ bfd *abfd;
+ struct ecoff_debug_info *debug;
+ const struct ecoff_debug_swap *swap;
+{
+ HDRR * const symhdr = &debug->symbolic_header;
+ bfd_size_type debug_align, aux_align, add;
+
+ /* Adjust the counts so that structures are aligned. The alignment
+ of ALLOC_SIZE ensures that we do not have to worry about running
+ off the end of the memory block when doing the memset. */
+ debug_align = swap->debug_align;
+ aux_align = debug_align / sizeof (union aux_ext);
+
+ add = debug_align - (symhdr->cbLine & (debug_align - 1));
+ if (add != debug_align)
+ {
+ memset (debug->line + symhdr->cbLine, 0, add);
+ symhdr->cbLine += add;
+ }
+
+ add = debug_align - (symhdr->issMax & (debug_align - 1));
+ if (add != debug_align)
+ {
+ memset (debug->ss + symhdr->issMax, 0, add);
+ symhdr->issMax += add;
+ }
+
+ add = debug_align - (symhdr->issExtMax & (debug_align - 1));
+ if (add != debug_align)
+ {
+ memset (debug->ssext + symhdr->issExtMax, 0, add);
+ symhdr->issExtMax += add;
+ }
+
+ add = aux_align - (symhdr->iauxMax & (aux_align - 1));
+ if (add != aux_align)
+ {
+ memset (debug->external_aux + symhdr->iauxMax, 0,
+ add * sizeof (union aux_ext));
+ symhdr->iauxMax += add;
+ }
+}
+
+/* Return the size required by the ECOFF debugging information. */
+
+bfd_size_type
+bfd_ecoff_debug_size (abfd, debug, swap)
+ bfd *abfd;
+ struct ecoff_debug_info *debug;
+ const struct ecoff_debug_swap *swap;
+{
+ bfd_size_type tot;
+
+ ecoff_align_debug (abfd, debug, swap);
+ tot = swap->external_hdr_size;
+
+#define ADD(count, size) \
+ tot += debug->symbolic_header.count * size
+
+ ADD (cbLine, sizeof (unsigned char));
+ ADD (idnMax, swap->external_dnr_size);
+ ADD (ipdMax, swap->external_pdr_size);
+ ADD (isymMax, swap->external_sym_size);
+ ADD (ioptMax, swap->external_opt_size);
+ ADD (iauxMax, sizeof (union aux_ext));
+ ADD (issMax, sizeof (char));
+ ADD (issExtMax, sizeof (char));
+ ADD (ifdMax, swap->external_fdr_size);
+ ADD (crfd, swap->external_rfd_size);
+ ADD (iextMax, swap->external_ext_size);
+
+#undef ADD
+
+ return tot;
+}
+
+/* Write out the ECOFF debugging information. This function assumes
+ that the information (the pointers and counts) in *DEBUG have been
+ set correctly. WHERE is the position in the file to write the
+ information to. This function fills in the file offsets in the
+ symbolic header. */
+
+boolean
+bfd_ecoff_write_debug (abfd, debug, swap, where)
+ bfd *abfd;
+ struct ecoff_debug_info *debug;
+ const struct ecoff_debug_swap *swap;
+ file_ptr where;
+{
+ HDRR * const symhdr = &debug->symbolic_header;
+ char *buff;
+
+ ecoff_align_debug (abfd, debug, swap);
+
+ /* Go to the right location in the file. */
+ if (bfd_seek (abfd, where, SEEK_SET) != 0)
+ return false;
+
+ where += swap->external_hdr_size;
+
+ /* Fill in the file offsets. */
+#define SET(offset, count, size) \
+ if (symhdr->count == 0) \
+ symhdr->offset = 0; \
+ else \
+ { \
+ symhdr->offset = where; \
+ where += symhdr->count * size; \
+ }
+
+ SET (cbLineOffset, cbLine, sizeof (unsigned char));
+ SET (cbDnOffset, idnMax, swap->external_dnr_size);
+ SET (cbPdOffset, ipdMax, swap->external_pdr_size);
+ SET (cbSymOffset, isymMax, swap->external_sym_size);
+ SET (cbOptOffset, ioptMax, swap->external_opt_size);
+ SET (cbAuxOffset, iauxMax, sizeof (union aux_ext));
+ SET (cbSsOffset, issMax, sizeof (char));
+ SET (cbSsExtOffset, issExtMax, sizeof (char));
+ SET (cbFdOffset, ifdMax, swap->external_fdr_size);
+ SET (cbRfdOffset, crfd, swap->external_rfd_size);
+ SET (cbExtOffset, iextMax, swap->external_ext_size);
+#undef SET
+
+ buff = (PTR) alloca (swap->external_hdr_size);
+ (*swap->swap_hdr_out) (abfd, symhdr, buff);
+ if (bfd_write (buff, 1, swap->external_hdr_size, abfd)
+ != swap->external_hdr_size)
+ return false;
+
+#define WRITE(ptr, count, size, offset) \
+ BFD_ASSERT (symhdr->offset == 0 || bfd_tell (abfd) == symhdr->offset); \
+ if (bfd_write (debug->ptr, size, symhdr->count, abfd) \
+ != size * symhdr->count) \
+ return false;
+
+ WRITE (line, cbLine, sizeof (unsigned char), cbLineOffset);
+ WRITE (external_dnr, idnMax, swap->external_dnr_size, cbDnOffset);
+ WRITE (external_pdr, ipdMax, swap->external_pdr_size, cbPdOffset);
+ WRITE (external_sym, isymMax, swap->external_sym_size, cbSymOffset);
+ WRITE (external_opt, ioptMax, swap->external_opt_size, cbOptOffset);
+ WRITE (external_aux, iauxMax, sizeof (union aux_ext), cbAuxOffset);
+ WRITE (ss, issMax, sizeof (char), cbSsOffset);
+ WRITE (ssext, issExtMax, sizeof (char), cbSsExtOffset);
+ WRITE (external_fdr, ifdMax, swap->external_fdr_size, cbFdOffset);
+ WRITE (external_rfd, crfd, swap->external_rfd_size, cbRfdOffset);
+ WRITE (external_ext, iextMax, swap->external_ext_size, cbExtOffset);
+#undef WRITE
+
+ return true;
+}
projects / binutils-gdb.git / commitdiff