aboutsummaryrefslogtreecommitdiff
path: root/binutils/objcopy.c
diff options
context:
space:
mode:
Diffstat (limited to 'binutils/objcopy.c')
-rw-r--r--binutils/objcopy.c78
1 files changed, 68 insertions, 10 deletions
diff --git a/binutils/objcopy.c b/binutils/objcopy.c
index be63d83..e812ac8 100644
--- a/binutils/objcopy.c
+++ b/binutils/objcopy.c
@@ -1,5 +1,5 @@
/* objcopy.c -- copy object file from input to output, optionally massaging it.
- Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
This file is part of GNU Binutils.
@@ -20,8 +20,9 @@
#include "bfd.h"
#include "progress.h"
#include "bucomm.h"
-#include <getopt.h>
+#include "getopt.h"
#include "libiberty.h"
+#include "budbg.h"
#include <sys/stat.h>
static flagword parse_flags PARAMS ((const char *));
@@ -36,6 +37,7 @@ static boolean is_strip_section PARAMS ((bfd *, asection *));
static unsigned int filter_symbols
PARAMS ((bfd *, asymbol **, asymbol **, long));
static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR));
+static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***));
#define nonfatal(s) {bfd_nonfatal(s); status = 1; return;}
@@ -132,6 +134,10 @@ struct section_add
static struct section_add *add_sections;
+/* Whether to convert debugging information. */
+
+static boolean convert_debugging = false;
+
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
#define OPTION_ADD_SECTION 150
@@ -139,7 +145,8 @@ static struct section_add *add_sections;
#define OPTION_ADJUST_VMA (OPTION_ADJUST_START + 1)
#define OPTION_ADJUST_SECTION_VMA (OPTION_ADJUST_VMA + 1)
#define OPTION_ADJUST_WARNINGS (OPTION_ADJUST_SECTION_VMA + 1)
-#define OPTION_GAP_FILL (OPTION_ADJUST_WARNINGS + 1)
+#define OPTION_DEBUGGING (OPTION_ADJUST_WARNINGS + 1)
+#define OPTION_GAP_FILL (OPTION_DEBUGGING + 1)
#define OPTION_NO_ADJUST_WARNINGS (OPTION_GAP_FILL + 1)
#define OPTION_PAD_TO (OPTION_NO_ADJUST_WARNINGS + 1)
#define OPTION_SET_SECTION_FLAGS (OPTION_PAD_TO + 1)
@@ -180,6 +187,7 @@ static struct option copy_options[] =
{"adjust-section-vma", required_argument, 0, OPTION_ADJUST_SECTION_VMA},
{"adjust-warnings", no_argument, 0, OPTION_ADJUST_WARNINGS},
{"byte", required_argument, 0, 'b'},
+ {"debugging", no_argument, 0, OPTION_DEBUGGING},
{"discard-all", no_argument, 0, 'x'},
{"discard-locals", no_argument, 0, 'X'},
{"format", required_argument, 0, 'F'}, /* Obsolete */
@@ -226,10 +234,11 @@ Usage: %s [-vVSgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\
[-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\
[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
[--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\
- [--discard-locals] [--remove-section=section] [--gap-fill=val]\n",
+ [--discard-locals] [--debugging] [--remove-section=section]\n",
program_name);
fprintf (stream, "\
- [--pad-to=address] [--set-start=val] [--adjust-start=incr]\n\
+ [--gap-fill=val] [--pad-to=address]\n\
+ [--set-start=val] [--adjust-start=incr]\n\
[--adjust-vma=incr] [--adjust-section-vma=section{=,+,-}val]\n\
[--adjust-warnings] [--no-adjust-warnings]\n\
[--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\
@@ -392,7 +401,8 @@ is_strip_section (abfd, sec)
&& (strip_symbols == strip_debug
|| strip_symbols == strip_unneeded
|| strip_symbols == strip_all
- || discard_locals == locals_all))
+ || discard_locals == locals_all
+ || convert_debugging))
return true;
if (! sections_removed)
@@ -428,7 +438,8 @@ filter_symbols (abfd, osyms, isyms, symcount)
keep = strip_symbols != strip_unneeded;
else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
keep = (strip_symbols != strip_debug
- && strip_symbols != strip_unneeded);
+ && strip_symbols != strip_unneeded
+ && ! convert_debugging);
else /* Local symbol. */
keep = (strip_symbols != strip_unneeded
&& (discard_locals != locals_all
@@ -660,6 +671,7 @@ copy_object (ibfd, obfd)
else
{
long symsize;
+ PTR dhandle = NULL;
symsize = bfd_get_symtab_upper_bound (ibfd);
if (symsize < 0)
@@ -674,11 +686,15 @@ copy_object (ibfd, obfd)
nonfatal (bfd_get_filename (ibfd));
}
+ if (convert_debugging)
+ dhandle = read_debugging_info (ibfd, isympp, symcount);
+
if (strip_symbols == strip_debug
|| strip_symbols == strip_unneeded
|| discard_locals != locals_undef
|| strip_specific_list != NULL
- || sections_removed)
+ || sections_removed
+ || convert_debugging)
{
/* Mark symbols used in output relocations so that they
are kept, even if they are local labels or static symbols.
@@ -694,6 +710,15 @@ copy_object (ibfd, obfd)
osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
symcount = filter_symbols (ibfd, osympp, isympp, symcount);
}
+
+ if (convert_debugging && dhandle != NULL)
+ {
+ if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
+ {
+ status = 1;
+ return;
+ }
+ }
}
bfd_set_symtab (obfd, osympp, symcount);
@@ -968,6 +993,7 @@ setup_section (ibfd, isection, obfdarg)
struct section_list *p;
sec_ptr osection;
bfd_vma vma;
+ bfd_vma lma;
flagword flags;
char *err;
@@ -975,7 +1001,8 @@ setup_section (ibfd, isection, obfdarg)
&& (strip_symbols == strip_debug
|| strip_symbols == strip_unneeded
|| strip_symbols == strip_all
- || discard_locals == locals_all))
+ || discard_locals == locals_all
+ || convert_debugging))
return;
p = find_section_list (bfd_section_name (ibfd, isection), false);
@@ -1013,6 +1040,15 @@ setup_section (ibfd, isection, obfdarg)
goto loser;
}
+ lma = isection->lma;
+ if (p != NULL && p->adjust == adjust_vma)
+ lma += p->val;
+ else if (p != NULL && p->adjust == set_vma)
+ lma = p->val;
+ else
+ lma += adjust_section_vma;
+ osection->lma = lma;
+
if (bfd_set_section_alignment (obfd,
osection,
bfd_section_alignment (ibfd, isection))
@@ -1077,7 +1113,8 @@ copy_section (ibfd, isection, obfdarg)
&& (strip_symbols == strip_debug
|| strip_symbols == strip_unneeded
|| strip_symbols == strip_all
- || discard_locals == locals_all))
+ || discard_locals == locals_all
+ || convert_debugging))
{
return;
}
@@ -1254,6 +1291,24 @@ mark_symbols_used_in_relocations (ibfd, isection, symbolsarg)
free (relpp);
}
+/* Write out debugging information. */
+
+static boolean
+write_debugging_info (obfd, dhandle, symcountp, symppp)
+ bfd *obfd;
+ PTR dhandle;
+ long *symcountp;
+ asymbol ***symppp;
+{
+ if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
+ return write_ieee_debugging_info (obfd, dhandle);
+
+ fprintf (stderr,
+ "%s: don't know how to write debugging information for %s\n",
+ bfd_get_filename (obfd), bfd_get_target (obfd));
+ return false;
+}
+
/* The number of bytes to copy at once. */
#define COPY_BUF 8192
@@ -1679,6 +1734,9 @@ copy_main (argc, argv)
case OPTION_ADJUST_WARNINGS:
adjust_warn = true;
break;
+ case OPTION_DEBUGGING:
+ convert_debugging = true;
+ break;
case OPTION_GAP_FILL:
{
bfd_vma gap_fill_vma;
generated by cgit v1.1 at 2024-12-22 06:06:15 +0000