* objcopy.c: Include budbg.h.
(convert_debugging): New static variable. (OPTION_DEBUGGING): Define. (copy_options): Add "debugging". (copy_usage): Mention --debugging. (is_strip_section): Skip debugging sections if convert_debugging. (setup_section, copy_section): Likewise. (filter_symbols): Skip debugging symbols if convert_debugging. (copy_object): If convert_debugging, read and write debugging information. (write_debugging_info): New static function. (copy_main): Handle --debugging. * Makefile.in (DEBUG_OBJS): New variable. ($(OBJCOPY_PROG)): Depend upon and link against $(DEBUG_OBJS). ($(STRIP_PROG)): Likewise. (OBJDUMP_OBJS): Remove variable. ($(OBJDUMP_PROG)): Use objdump.o $(DEBUG_OBJS) rather than $(OBJDUMP_OBJS). * binutils.texi, objcopy.1: Document --debugging.
This commit is contained in:
Ian Lance Taylor
parent
1a418120d7
commit
f5818d79dd
4 changed files with 91 additions and 22 deletions
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@ -144,6 +144,7 @@ GENERATED_CFILES = \
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.c.o:
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$(CC) -c $(ALL_CFLAGS) $<
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DEBUG_OBJS = rddbg.o debug.o stabs.o ieee.o prdbg.o
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#
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## Random definitions
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# Hopefully all these may be flushed once we get configuration down pat.
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@ -256,22 +257,20 @@ dvi: binutils.dvi
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$(SIZE_PROG): $(ADDL_LIBS) size.o $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(SIZE_PROG) size.o $(ADDL_LIBS) $(EXTRALIBS)
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$(OBJCOPY_PROG): $(ADDL_LIBS) objcopy.o not-strip.o $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(OBJCOPY_PROG) objcopy.o not-strip.o $(ADDL_LIBS) $(EXTRALIBS)
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$(OBJCOPY_PROG): $(ADDL_LIBS) objcopy.o not-strip.o $(DEBUG_OBJS) $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(OBJCOPY_PROG) objcopy.o not-strip.o $(DEBUG_OBJS) $(ADDL_LIBS) $(EXTRALIBS)
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$(STRINGS_PROG): $(ADDL_LIBS) strings.o $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(STRINGS_PROG) strings.o $(ADDL_LIBS) $(EXTRALIBS)
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$(STRIP_PROG): $(ADDL_LIBS) objcopy.o is-strip.o $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(STRIP_PROG) objcopy.o is-strip.o $(ADDL_LIBS) $(EXTRALIBS)
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$(STRIP_PROG): $(ADDL_LIBS) objcopy.o is-strip.o $(DEBUG_OBJS) $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(STRIP_PROG) objcopy.o is-strip.o $(DEBUG_OBJS) $(ADDL_LIBS) $(EXTRALIBS)
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$(NM_PROG): $(ADDL_LIBS) nm.o $(BFD)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(NM_PROG) nm.o $(ADDL_LIBS) $(EXTRALIBS)
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OBJDUMP_OBJS = objdump.o rddbg.o debug.o stabs.o ieee.o prdbg.o
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$(OBJDUMP_PROG): $(ADDL_LIBS) $(OBJDUMP_OBJS) $(BFD) $(OPCODES)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(OBJDUMP_PROG) $(OBJDUMP_OBJS) $(OPCODES) $(ADDL_LIBS) $(EXTRALIBS)
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$(OBJDUMP_PROG): $(ADDL_LIBS) objdump.o $(DEBUG_OBJS) $(BFD) $(OPCODES)
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$(CC) $(CFLAGS) $(LDFLAGS) -o $(OBJDUMP_PROG) objdump.o $(DEBUG_OBJS) $(OPCODES) $(ADDL_LIBS) $(EXTRALIBS)
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underscore.c: stamp-under ; @true
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@ -13,7 +13,7 @@ END-INFO-DIR-ENTRY
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@end ifinfo
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@ifinfo
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Copyright @copyright{} 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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Copyright @copyright{} 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -41,7 +41,7 @@ into another language, under the above conditions for modified versions.
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@c This file documents the GNU binary utilities "ar", "ld", "objcopy",
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@c "objdump", "nm", "size", "strings", "strip", and "ranlib".
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@c
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@c Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
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@c Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
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@c
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@c This text may be freely distributed under the terms of the GNU
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@c General Public License.
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@ -66,7 +66,7 @@ into another language, under the above conditions for modified versions.
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@end tex
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@vskip 0pt plus 1filll
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Copyright @copyright{} 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
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Copyright @copyright{} 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -763,6 +763,7 @@ objcopy [ -F @var{bfdname} | --target=@var{bfdname} ]
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[ -b @var{byte} | --byte=@var{byte} ]
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[ -i @var{interleave} | --interleave=@var{interleave} ]
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[ -R @var{sectionname} | --remove-section=@var{sectionname} ]
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[ --debugging ]
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[ --gap-fill=@var{val} ] [ --pad-to=@var{address} ]
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[ --set-start=@var{val} ] [ --adjust-start=@var{incr} ]
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[ --adjust-vma=@var{incr} ]
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@ -879,6 +880,11 @@ copy with the @var{-b} or @samp{--byte} option. The default is 4.
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@code{objcopy} ignores this option if you do not specify either @samp{-b} or
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@samp{--byte}.
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@item --debugging
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Convert debugging information, if possible. This is not the default
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because only certain debugging formats are supported, and the
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conversion process can be time consuming.
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@item --gap-fill @var{val}
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Fill gaps between sections with @var{val}. This is done by increasing
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the size of the section with the lower address, and filling in the extra
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@ -28,6 +28,7 @@ objcopy \- copy and translate object files
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.RB "[\|" \-X\fR\ |\ \fB\-\-discard\-locals\fR "\|]"
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.RB "[\|" \-b\ \fIbyte\fR\ |\ \fB\-\-byte=\fIbyte\fR "\|]"
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.RB "[\|" \-i\ \fIinterleave\fR\ |\ \fB\-\-interleave=\fIinterleave\fR "\|]"
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.RB "[\|" \-\-debugging "\|]"
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.RB "[\|" \-\-gap\-fill=\fIval\fR "\|]"
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.RB "[\|" \-\-pad\-to=\fIaddress\fR "\|]"
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.RB "[\|" \-\-set\-start=\fIval\fR "\|]"
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@ -155,6 +156,11 @@ Only copy one out of every \fIinterleave\fP bytes. Which one to copy is
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selected by the \fB\-b\fP or \fB\-\-byte\fP option. The default is 4.
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The interleave is ignored if neither \fB\-b\fP nor \fB\-\-byte\fP is given.
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.TP
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.B \-\-debugging
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Convert debugging information, if possible. This is not the default
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because only certain debugging formats are supported, and the
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conversion process can be time consuming.
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.TP
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.B \-\-gap\-fill=\fIval
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Fill gaps between sections with \fIval\fP. This is done by increasing
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the size of the section with the lower address, and filling in the extra
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@ -236,7 +242,7 @@ The GNU Binary Utilities\c
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\&, Roland H. Pesch (June 1993).
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.SH COPYING
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Copyright (c) 1993,1994 Free Software Foundation, Inc.
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Copyright (c) 1993, 94, 95, 1996 Free Software Foundation, Inc.
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.PP
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -1,5 +1,5 @@
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/* objcopy.c -- copy object file from input to output, optionally massaging it.
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Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
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Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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@ -20,8 +20,9 @@
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#include "bfd.h"
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#include "progress.h"
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#include "bucomm.h"
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#include <getopt.h>
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#include "getopt.h"
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#include "libiberty.h"
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#include "budbg.h"
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#include <sys/stat.h>
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static flagword parse_flags PARAMS ((const char *));
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@ -36,6 +37,7 @@ static boolean is_strip_section PARAMS ((bfd *, asection *));
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static unsigned int filter_symbols
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PARAMS ((bfd *, asymbol **, asymbol **, long));
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static void mark_symbols_used_in_relocations PARAMS ((bfd *, asection *, PTR));
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static boolean write_debugging_info PARAMS ((bfd *, PTR, long *, asymbol ***));
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#define nonfatal(s) {bfd_nonfatal(s); status = 1; return;}
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@ -132,6 +134,10 @@ struct section_add
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static struct section_add *add_sections;
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/* Whether to convert debugging information. */
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static boolean convert_debugging = false;
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/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
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#define OPTION_ADD_SECTION 150
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@ -139,7 +145,8 @@ static struct section_add *add_sections;
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#define OPTION_ADJUST_VMA (OPTION_ADJUST_START + 1)
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#define OPTION_ADJUST_SECTION_VMA (OPTION_ADJUST_VMA + 1)
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#define OPTION_ADJUST_WARNINGS (OPTION_ADJUST_SECTION_VMA + 1)
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#define OPTION_GAP_FILL (OPTION_ADJUST_WARNINGS + 1)
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#define OPTION_DEBUGGING (OPTION_ADJUST_WARNINGS + 1)
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#define OPTION_GAP_FILL (OPTION_DEBUGGING + 1)
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#define OPTION_NO_ADJUST_WARNINGS (OPTION_GAP_FILL + 1)
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#define OPTION_PAD_TO (OPTION_NO_ADJUST_WARNINGS + 1)
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#define OPTION_SET_SECTION_FLAGS (OPTION_PAD_TO + 1)
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@ -180,6 +187,7 @@ static struct option copy_options[] =
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{"adjust-section-vma", required_argument, 0, OPTION_ADJUST_SECTION_VMA},
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{"adjust-warnings", no_argument, 0, OPTION_ADJUST_WARNINGS},
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{"byte", required_argument, 0, 'b'},
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{"debugging", no_argument, 0, OPTION_DEBUGGING},
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{"discard-all", no_argument, 0, 'x'},
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{"discard-locals", no_argument, 0, 'X'},
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{"format", required_argument, 0, 'F'}, /* Obsolete */
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@ -226,10 +234,11 @@ Usage: %s [-vVSgxX] [-I bfdname] [-O bfdname] [-F bfdname] [-b byte]\n\
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[-R section] [-i interleave] [--interleave=interleave] [--byte=byte]\n\
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[--input-target=bfdname] [--output-target=bfdname] [--target=bfdname]\n\
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[--strip-all] [--strip-debug] [--strip-unneeded] [--discard-all]\n\
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[--discard-locals] [--remove-section=section] [--gap-fill=val]\n",
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[--discard-locals] [--debugging] [--remove-section=section]\n",
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program_name);
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fprintf (stream, "\
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[--pad-to=address] [--set-start=val] [--adjust-start=incr]\n\
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[--gap-fill=val] [--pad-to=address]\n\
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[--set-start=val] [--adjust-start=incr]\n\
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[--adjust-vma=incr] [--adjust-section-vma=section{=,+,-}val]\n\
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[--adjust-warnings] [--no-adjust-warnings]\n\
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[--set-section-flags=section=flags] [--add-section=sectionname=filename]\n\
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@ -392,7 +401,8 @@ is_strip_section (abfd, sec)
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&& (strip_symbols == strip_debug
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|| strip_symbols == strip_unneeded
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|| strip_symbols == strip_all
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|| discard_locals == locals_all))
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|| discard_locals == locals_all
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|| convert_debugging))
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return true;
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if (! sections_removed)
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@ -428,7 +438,8 @@ filter_symbols (abfd, osyms, isyms, symcount)
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keep = strip_symbols != strip_unneeded;
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else if ((flags & BSF_DEBUGGING) != 0) /* Debugging symbol. */
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keep = (strip_symbols != strip_debug
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&& strip_symbols != strip_unneeded);
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&& strip_symbols != strip_unneeded
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&& ! convert_debugging);
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else /* Local symbol. */
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keep = (strip_symbols != strip_unneeded
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&& (discard_locals != locals_all
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@ -660,6 +671,7 @@ copy_object (ibfd, obfd)
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else
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{
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long symsize;
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PTR dhandle = NULL;
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symsize = bfd_get_symtab_upper_bound (ibfd);
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if (symsize < 0)
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@ -674,11 +686,15 @@ copy_object (ibfd, obfd)
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nonfatal (bfd_get_filename (ibfd));
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}
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if (convert_debugging)
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dhandle = read_debugging_info (ibfd, isympp, symcount);
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if (strip_symbols == strip_debug
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|| strip_symbols == strip_unneeded
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|| discard_locals != locals_undef
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|| strip_specific_list != NULL
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|| sections_removed)
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|| sections_removed
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|| convert_debugging)
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{
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/* Mark symbols used in output relocations so that they
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are kept, even if they are local labels or static symbols.
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@ -694,6 +710,15 @@ copy_object (ibfd, obfd)
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osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *));
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symcount = filter_symbols (ibfd, osympp, isympp, symcount);
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}
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if (convert_debugging && dhandle != NULL)
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{
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if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
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{
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status = 1;
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return;
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}
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}
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}
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bfd_set_symtab (obfd, osympp, symcount);
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@ -968,6 +993,7 @@ setup_section (ibfd, isection, obfdarg)
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struct section_list *p;
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sec_ptr osection;
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bfd_vma vma;
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bfd_vma lma;
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flagword flags;
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char *err;
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@ -975,7 +1001,8 @@ setup_section (ibfd, isection, obfdarg)
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&& (strip_symbols == strip_debug
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|| strip_symbols == strip_unneeded
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|| strip_symbols == strip_all
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|| discard_locals == locals_all))
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|| discard_locals == locals_all
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|| convert_debugging))
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return;
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p = find_section_list (bfd_section_name (ibfd, isection), false);
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@ -1013,6 +1040,15 @@ setup_section (ibfd, isection, obfdarg)
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goto loser;
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}
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lma = isection->lma;
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if (p != NULL && p->adjust == adjust_vma)
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lma += p->val;
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else if (p != NULL && p->adjust == set_vma)
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lma = p->val;
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else
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lma += adjust_section_vma;
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osection->lma = lma;
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if (bfd_set_section_alignment (obfd,
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osection,
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bfd_section_alignment (ibfd, isection))
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@ -1077,7 +1113,8 @@ copy_section (ibfd, isection, obfdarg)
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&& (strip_symbols == strip_debug
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|| strip_symbols == strip_unneeded
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|| strip_symbols == strip_all
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|| discard_locals == locals_all))
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|| discard_locals == locals_all
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|| convert_debugging))
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{
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return;
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}
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@ -1254,6 +1291,24 @@ mark_symbols_used_in_relocations (ibfd, isection, symbolsarg)
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free (relpp);
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}
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/* Write out debugging information. */
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static boolean
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write_debugging_info (obfd, dhandle, symcountp, symppp)
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bfd *obfd;
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PTR dhandle;
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long *symcountp;
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asymbol ***symppp;
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{
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if (bfd_get_flavour (obfd) == bfd_target_ieee_flavour)
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return write_ieee_debugging_info (obfd, dhandle);
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fprintf (stderr,
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"%s: don't know how to write debugging information for %s\n",
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bfd_get_filename (obfd), bfd_get_target (obfd));
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return false;
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}
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/* The number of bytes to copy at once. */
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#define COPY_BUF 8192
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@ -1679,6 +1734,9 @@ copy_main (argc, argv)
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case OPTION_ADJUST_WARNINGS:
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adjust_warn = true;
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break;
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case OPTION_DEBUGGING:
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convert_debugging = true;
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break;
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case OPTION_GAP_FILL:
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{
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bfd_vma gap_fill_vma;
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Loading…
Add table
Reference in a new issue