/* Parse options for the GNU linker.
- Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+along with GLD; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
+#include "libiberty.h"
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "ldver.h"
#include "ldemul.h"
+#ifndef PATH_SEPARATOR
+#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
+#define PATH_SEPARATOR ';'
+#else
+#define PATH_SEPARATOR ':'
+#endif
+#endif
+
/* Somewhere above, sys/stat.h got included . . . . */
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
that might disagree about consts. */
unsigned long strtoul ();
+static int is_num PARAMS ((const char *, int, int, int));
static void set_default_dirlist PARAMS ((char *dirlist_ptr));
static void set_section_start PARAMS ((char *sect, char *valstr));
+static void help PARAMS ((void));
/* Non-zero if we are processing a --defsym from the command line. */
int parsing_defsym = 0;
-void
-parse_args (argc, argv)
- int argc;
- char **argv;
-{
- int i;
- int ingroup = 0;
- char *default_dirlist = NULL;
-
- /* Starting the short option string with '-' is for programs that
- expect options and other ARGV-elements in any order and that care about
- the ordering of the two. We describe each non-option ARGV-element
- as if it were the argument of an option with character code 1. */
-
- const char *shortopts =
- "-a:A:b:c:de:F::G:gh:iL:l:Mm:NnO:o:R:rSsT:tu:VvXxY:y:z:()";
-
- /* 150 isn't special; it's just an arbitrary non-ASCII char value. */
+/* Codes used for the long options with no short synonyms. 150 isn't
+ special; it's just an arbitrary non-ASCII char value. */
#define OPTION_ASSERT 150
#define OPTION_CALL_SHARED (OPTION_ASSERT + 1)
-#define OPTION_DEFSYM (OPTION_CALL_SHARED + 1)
-#define OPTION_DYNAMIC_LINKER (OPTION_DEFSYM + 1)
+#define OPTION_CREF (OPTION_CALL_SHARED + 1)
+#define OPTION_DEFSYM (OPTION_CREF + 1)
+#define OPTION_DEMANGLE (OPTION_DEFSYM + 1)
+#define OPTION_DYNAMIC_LINKER (OPTION_DEMANGLE + 1)
#define OPTION_EB (OPTION_DYNAMIC_LINKER + 1)
#define OPTION_EL (OPTION_EB + 1)
#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
#define OPTION_IGNORE (OPTION_HELP + 1)
#define OPTION_MAP (OPTION_IGNORE + 1)
-#define OPTION_NO_KEEP_MEMORY (OPTION_MAP + 1)
-#define OPTION_NOINHIBIT_EXEC (OPTION_NO_KEEP_MEMORY + 1)
+#define OPTION_NO_DEMANGLE (OPTION_MAP + 1)
+#define OPTION_NO_KEEP_MEMORY (OPTION_NO_DEMANGLE + 1)
+#define OPTION_NO_WARN_MISMATCH (OPTION_NO_KEEP_MEMORY + 1)
+#define OPTION_NOINHIBIT_EXEC (OPTION_NO_WARN_MISMATCH + 1)
#define OPTION_NON_SHARED (OPTION_NOINHIBIT_EXEC + 1)
#define OPTION_NO_WHOLE_ARCHIVE (OPTION_NON_SHARED + 1)
#define OPTION_OFORMAT (OPTION_NO_WHOLE_ARCHIVE + 1)
#define OPTION_SORT_COMMON (OPTION_SONAME + 1)
#define OPTION_STATS (OPTION_SORT_COMMON + 1)
#define OPTION_SYMBOLIC (OPTION_STATS + 1)
-#define OPTION_TBSS (OPTION_SYMBOLIC + 1)
+#define OPTION_TASK_LINK (OPTION_SYMBOLIC + 1)
+#define OPTION_TBSS (OPTION_TASK_LINK + 1)
#define OPTION_TDATA (OPTION_TBSS + 1)
#define OPTION_TTEXT (OPTION_TDATA + 1)
#define OPTION_TRADITIONAL_FORMAT (OPTION_TTEXT + 1)
#define OPTION_UR (OPTION_TRADITIONAL_FORMAT + 1)
#define OPTION_VERBOSE (OPTION_UR + 1)
#define OPTION_VERSION (OPTION_VERBOSE + 1)
-#define OPTION_WARN_COMMON (OPTION_VERSION + 1)
+#define OPTION_VERSION_SCRIPT (OPTION_VERSION + 1)
+#define OPTION_VERSION_EXPORTS_SECTION (OPTION_VERSION_SCRIPT + 1)
+#define OPTION_WARN_COMMON (OPTION_VERSION_EXPORTS_SECTION + 1)
#define OPTION_WARN_CONSTRUCTORS (OPTION_WARN_COMMON + 1)
#define OPTION_WARN_MULTIPLE_GP (OPTION_WARN_CONSTRUCTORS + 1)
#define OPTION_WARN_ONCE (OPTION_WARN_MULTIPLE_GP + 1)
-#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_ONCE + 1)
+#define OPTION_WARN_SECTION_ALIGN (OPTION_WARN_ONCE + 1)
+#define OPTION_SPLIT_BY_RELOC (OPTION_WARN_SECTION_ALIGN + 1)
#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
#define OPTION_WRAP (OPTION_WHOLE_ARCHIVE + 1)
+#define OPTION_FORCE_EXE_SUFFIX (OPTION_WRAP + 1)
+#define OPTION_GC_SECTIONS (OPTION_FORCE_EXE_SUFFIX + 1)
+#define OPTION_NO_GC_SECTIONS (OPTION_GC_SECTIONS + 1)
+#define OPTION_CHECK_SECTIONS (OPTION_NO_GC_SECTIONS + 1)
+#define OPTION_NO_CHECK_SECTIONS (OPTION_CHECK_SECTIONS + 1)
+#define OPTION_MPC860C0 (OPTION_NO_CHECK_SECTIONS + 1)
+#define OPTION_NO_UNDEFINED (OPTION_MPC860C0 + 1)
+#define OPTION_INIT (OPTION_NO_UNDEFINED + 1)
+#define OPTION_FINI (OPTION_INIT + 1)
+
+/* The long options. This structure is used for both the option
+ parsing and the help text. */
+
+struct ld_option
+{
+ /* The long option information. */
+ struct option opt;
+ /* The short option with the same meaning ('\0' if none). */
+ char shortopt;
+ /* The name of the argument (NULL if none). */
+ const char *arg;
+ /* The documentation string. If this is NULL, this is a synonym for
+ the previous option. */
+ const char *doc;
+ enum
+ {
+ /* Use one dash before long option name. */
+ ONE_DASH,
+ /* Use two dashes before long option name. */
+ TWO_DASHES,
+ /* Don't mention this option in --help output. */
+ NO_HELP
+ } control;
+};
+
+static const struct ld_option ld_options[] =
+{
+ { {NULL, required_argument, NULL, '\0'},
+ 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
+ ONE_DASH },
+ { {"architecture", required_argument, NULL, 'A'},
+ 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
+ { {"format", required_argument, NULL, 'b'},
+ 'b', N_("TARGET"), N_("Specify target for following input files"), TWO_DASHES },
+ { {"mri-script", required_argument, NULL, 'c'},
+ 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
+ { {"dc", no_argument, NULL, 'd'},
+ 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
+ { {"dp", no_argument, NULL, 'd'},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"entry", required_argument, NULL, 'e'},
+ 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
+ { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
+ 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
+ { {"EB", no_argument, NULL, OPTION_EB},
+ '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
+ { {"EL", no_argument, NULL, OPTION_EL},
+ '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
+ { {"auxiliary", required_argument, NULL, 'f'},
+ 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
+ TWO_DASHES },
+ { {"filter", required_argument, NULL, 'F'},
+ 'F', N_("SHLIB"), N_("Filter for shared object symbol table"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'g', NULL, N_("Ignored"), ONE_DASH },
+ { {"gpsize", required_argument, NULL, 'G'},
+ 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
+ TWO_DASHES },
+ { {"soname", required_argument, NULL, OPTION_SONAME},
+ 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
+ { {"library", required_argument, NULL, 'l'},
+ 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
+ { {"library-path", required_argument, NULL, 'L'},
+ 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
+ { {"print-map", no_argument, NULL, 'M'},
+ 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
+ { {"nmagic", no_argument, NULL, 'n'},
+ 'n', NULL, N_("Do not page align data"), TWO_DASHES },
+ { {"omagic", no_argument, NULL, 'N'},
+ 'N', NULL, N_("Do not page align data, do not make text readonly"),
+ TWO_DASHES },
+ { {"output", required_argument, NULL, 'o'},
+ 'o', N_("FILE"), N_("Set output file name"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'O', NULL, N_("Optimize output file"), ONE_DASH },
+ { {"Qy", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
+ { {"relocateable", no_argument, NULL, 'r'},
+ 'r', NULL, N_("Generate relocateable output"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'i', NULL, NULL, ONE_DASH },
+ { {"just-symbols", required_argument, NULL, 'R'},
+ 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
+ TWO_DASHES },
+ { {"strip-all", no_argument, NULL, 's'},
+ 's', NULL, N_("Strip all symbols"), TWO_DASHES },
+ { {"strip-debug", no_argument, NULL, 'S'},
+ 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
+ { {"trace", no_argument, NULL, 't'},
+ 't', NULL, N_("Trace file opens"), TWO_DASHES },
+ { {"script", required_argument, NULL, 'T'},
+ 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
+ { {"undefined", required_argument, NULL, 'u'},
+ 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"), TWO_DASHES },
+ { {"Ur", no_argument, NULL, OPTION_UR},
+ '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
+ { {"version", no_argument, NULL, OPTION_VERSION},
+ 'v', NULL, N_("Print version information"), TWO_DASHES },
+ { {NULL, no_argument, NULL, '\0'},
+ 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
+ { {"discard-all", no_argument, NULL, 'x'},
+ 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
+ { {"discard-locals", no_argument, NULL, 'X'},
+ 'X', NULL, N_("Discard temporary local symbols"), TWO_DASHES },
+ { {"trace-symbol", required_argument, NULL, 'y'},
+ 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
+ { {NULL, required_argument, NULL, '\0'},
+ 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"), ONE_DASH },
+ { {NULL, required_argument, NULL, '\0'},
+ 'z', N_("KEYWORD"), N_("Ignored for Solaris compatibility"), ONE_DASH },
+ { {"start-group", no_argument, NULL, '('},
+ '(', NULL, N_("Start a group"), TWO_DASHES },
+ { {"end-group", no_argument, NULL, ')'},
+ ')', NULL, N_("End a group"), TWO_DASHES },
+ { {"assert", required_argument, NULL, OPTION_ASSERT},
+ '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
+ { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
+ { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
+ { {"dn", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"static", no_argument, NULL, OPTION_NON_SHARED},
+ '\0', NULL, NULL, ONE_DASH },
+ { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
+ '\0', NULL, N_("Bind global references locally"), ONE_DASH },
+ { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
+ '\0', NULL, N_("Check section addresses for overlaps (default)"), TWO_DASHES },
+ { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
+ '\0', NULL, N_("Do not check section addresses for overlaps"),
+ TWO_DASHES },
+ { {"cref", no_argument, NULL, OPTION_CREF},
+ '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
+ { {"defsym", required_argument, NULL, OPTION_DEFSYM},
+ '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
+ { {"demangle", no_argument, NULL, OPTION_DEMANGLE},
+ '\0', NULL, N_("Demangle symbol names"), TWO_DASHES },
+ { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
+ '\0', N_("PROGRAM"), N_("Set the dynamic linker to use"), TWO_DASHES },
+ { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
+ '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ { {"fini", required_argument, NULL, OPTION_FINI},
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
+ { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
+ '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
+ { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
+ '\0', NULL, N_("Remove unused sections (on some targets)"),
+ TWO_DASHES },
+ { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
+ '\0', NULL, N_("Don't remove unused sections (default)"),
+ TWO_DASHES },
+ { {"help", no_argument, NULL, OPTION_HELP},
+ '\0', NULL, N_("Print option help"), TWO_DASHES },
+ { {"init", required_argument, NULL, OPTION_INIT},
+ '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
+ { {"Map", required_argument, NULL, OPTION_MAP},
+ '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
+ { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
+ '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
+ { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
+ '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
+ { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
+ '\0', NULL, N_("Allow no undefined symbols"), TWO_DASHES },
+ { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
+ '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
+ { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
+ '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
+ { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+ '\0', NULL, N_("Create an output file even if errors occur"), TWO_DASHES },
+ { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
+ '\0', NULL, NULL, NO_HELP },
+ { {"oformat", required_argument, NULL, OPTION_OFORMAT},
+ '\0', N_("TARGET"), N_("Specify target of output file"), TWO_DASHES },
+ { {"qmagic", no_argument, NULL, OPTION_IGNORE},
+ '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
+ { {"relax", no_argument, NULL, OPTION_RELAX},
+ '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
+ { {"retain-symbols-file", required_argument, NULL,
+ OPTION_RETAIN_SYMBOLS_FILE},
+ '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
+ { {"rpath", required_argument, NULL, OPTION_RPATH},
+ '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
+ { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
+ '\0', N_("PATH"), N_("Set link time shared library search path"), ONE_DASH },
+ { {"shared", no_argument, NULL, OPTION_SHARED},
+ '\0', NULL, N_("Create a shared library"), ONE_DASH },
+ { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
+ '\0', NULL, NULL, ONE_DASH },
+ { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
+ '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
+ { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
+ '\0', NULL, NULL, NO_HELP },
+ { {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
+ '\0', NULL, N_("Split output sections for each file"), TWO_DASHES },
+ { {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
+ '\0', N_("COUNT"), N_("Split output sections every COUNT relocs"), TWO_DASHES },
+ { {"stats", no_argument, NULL, OPTION_STATS},
+ '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
+ { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
+ '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
+ { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
+ '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
+ { {"Tbss", required_argument, NULL, OPTION_TBSS},
+ '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
+ { {"Tdata", required_argument, NULL, OPTION_TDATA},
+ '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
+ { {"Ttext", required_argument, NULL, OPTION_TTEXT},
+ '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
+ { {"verbose", no_argument, NULL, OPTION_VERBOSE},
+ '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
+ { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
+ '\0', NULL, NULL, NO_HELP },
+ { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
+ '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
+ { {"version-exports-section", required_argument, NULL,
+ OPTION_VERSION_EXPORTS_SECTION },
+ '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n\t\t\t\tSYMBOL as the version."),
+ TWO_DASHES },
+ { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
+ '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
+ { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
+ '\0', NULL, N_("Warn if global constructors/destructors are seen"),
+ TWO_DASHES },
+ { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
+ '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
+ { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
+ '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
+ { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
+ '\0', NULL, N_("Warn if start of section changes due to alignment"),
+ TWO_DASHES },
+ { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
+ '\0', NULL, N_("Include all objects from following archives"), TWO_DASHES },
+ { {"wrap", required_argument, NULL, OPTION_WRAP},
+ '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
+ { {"mpc860c0", optional_argument, NULL, OPTION_MPC860C0},
+ '\0', N_("[=WORDS]"), N_("Modify problematic branches in last WORDS (1-10,\n\t\t\t\tdefault 5) words of a page"), TWO_DASHES }
+};
+
+#define OPTION_COUNT ((int) (sizeof ld_options / sizeof ld_options[0]))
+
+/* Test STRING for containing a string of digits that form a number
+ between MIN and MAX. The return value is the number or ERR. */
+
+static int
+is_num (string, min, max, err)
+ const char *string;
+ int min;
+ int max;
+ int err;
+{
+ int result = 0;
+
+ for (; *string; ++string)
+ {
+ if (! isdigit (*string))
+ {
+ result = err;
+ break;
+ }
+ result = result * 10 + (*string - '0');
+ }
+ if (result < min || result > max)
+ result = err;
- static struct option longopts[] = {
- /* Sorted alphabeticaly, except for the PE options grouped at the end. */
- {"assert", required_argument, NULL, OPTION_ASSERT},
- {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
- {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
- {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
- {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
- {"dc", no_argument, NULL, 'd'},
- {"defsym", required_argument, NULL, OPTION_DEFSYM},
- {"dll-verbose", no_argument, NULL, OPTION_VERSION}, /* Linux. */
- {"dn", no_argument, NULL, OPTION_NON_SHARED},
- {"dp", no_argument, NULL, 'd'},
- {"dy", no_argument, NULL, OPTION_CALL_SHARED},
- {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
- {"EB", no_argument, NULL, OPTION_EB},
- {"EL", no_argument, NULL, OPTION_EL},
- {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
- {"end-group", no_argument, NULL, ')'},
- {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
- {"format", required_argument, NULL, 'b'},
- {"help", no_argument, NULL, OPTION_HELP},
- {"Map", required_argument, NULL, OPTION_MAP},
- {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
- {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
- {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
- {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
- {"oformat", required_argument, NULL, OPTION_OFORMAT},
- {"Qy", no_argument, NULL, OPTION_IGNORE},
- {"qmagic", no_argument, NULL, OPTION_IGNORE}, /* Linux compatibility. */
- {"relax", no_argument, NULL, OPTION_RELAX},
- {"retain-symbols-file", required_argument, NULL, OPTION_RETAIN_SYMBOLS_FILE},
- {"rpath", required_argument, NULL, OPTION_RPATH},
- {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
- {"shared", no_argument, NULL, OPTION_SHARED},
- {"soname", required_argument, NULL, OPTION_SONAME},
- {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
- {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
- {"start-group", no_argument, NULL, '('},
- {"stats", no_argument, NULL, OPTION_STATS},
- {"static", no_argument, NULL, OPTION_NON_SHARED},
- {"Tbss", required_argument, NULL, OPTION_TBSS},
- {"Tdata", required_argument, NULL, OPTION_TDATA},
- {"Ttext", required_argument, NULL, OPTION_TTEXT},
- {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
- {"Ur", no_argument, NULL, OPTION_UR},
- {"verbose", no_argument, NULL, OPTION_VERBOSE},
- {"version", no_argument, NULL, OPTION_VERSION},
- {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
- {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
- {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
- {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
- {"split-by-reloc", required_argument, NULL, OPTION_SPLIT_BY_RELOC},
- {"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
- {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
- {"wrap", required_argument, NULL, OPTION_WRAP},
-
- {NULL, no_argument, NULL, 0}
- };
+ return result;
+}
+
+void
+parse_args (argc, argv)
+ int argc;
+ char **argv;
+{
+ int i, is, il;
+ int ingroup = 0;
+ char *default_dirlist = NULL;
+ char shortopts[OPTION_COUNT * 3 + 2];
+ struct option longopts[OPTION_COUNT + 1];
+ int last_optind;
+
+ /* Starting the short option string with '-' is for programs that
+ expect options and other ARGV-elements in any order and that care about
+ the ordering of the two. We describe each non-option ARGV-element
+ as if it were the argument of an option with character code 1. */
+ shortopts[0] = '-';
+ is = 1;
+ il = 0;
+ for (i = 0; i < OPTION_COUNT; i++)
+ {
+ if (ld_options[i].shortopt != '\0')
+ {
+ shortopts[is] = ld_options[i].shortopt;
+ ++is;
+ if (ld_options[i].opt.has_arg == required_argument
+ || ld_options[i].opt.has_arg == optional_argument)
+ {
+ shortopts[is] = ':';
+ ++is;
+ if (ld_options[i].opt.has_arg == optional_argument)
+ {
+ shortopts[is] = ':';
+ ++is;
+ }
+ }
+ }
+ if (ld_options[i].opt.name != NULL)
+ {
+ longopts[il] = ld_options[i].opt;
+ ++il;
+ }
+ }
+ shortopts[is] = '\0';
+ longopts[il].name = NULL;
/* The -G option is ambiguous on different platforms. Sometimes it
specifies the largest data size to put into the small data
for (i = 1; i < argc; i++)
if (strcmp (argv[i], "-G") == 0
&& (i + 1 >= argc
- || ! isdigit (argv[i + 1][0])))
+ || ! isdigit ((unsigned char) argv[i + 1][0])))
argv[i] = (char *) "--shared";
+ /* Because we permit long options to start with a single dash, and
+ we have a --library option, and the -l option is conventionally
+ used with an immediately following argument, we can have bad
+ results if somebody tries to use -l with a library whose name
+ happens to start with "ibrary", as in -li. We avoid problems by
+ simply turning -l into --library. This means that users will
+ have to use two dashes in order to use --library, which is OK
+ since that's how it is documented.
+
+ FIXME: It's possible that this problem can arise for other short
+ options as well, although the user does always have the recourse
+ of adding a space between the option and the argument. */
+ for (i = 1; i < argc; i++)
+ {
+ if (argv[i][0] == '-'
+ && argv[i][1] == 'l'
+ && argv[i][2] != '\0')
+ {
+ char *n;
+
+ n = (char *) xmalloc (strlen (argv[i]) + 20);
+ sprintf (n, "--library=%s", argv[i] + 2);
+ argv[i] = n;
+ }
+ }
+
+ last_optind = -1;
while (1)
{
- /* getopt_long_only is like getopt_long, but '-' as well as '--' can
- indicate a long option. */
int longind;
int optc;
- if (ldemul_parse_args (argc, argv))
- continue;
+ /* Using last_optind lets us avoid calling ldemul_parse_args
+ multiple times on a single option, which would lead to
+ confusion in the internal static variables maintained by
+ getopt. This could otherwise happen for an argument like
+ -nx, in which the -n is parsed as a single option, and we
+ loop around to pick up the -x. */
+ if (optind != last_optind)
+ {
+ if (ldemul_parse_args (argc, argv))
+ continue;
+ last_optind = optind;
+ }
+ /* getopt_long_only is like getopt_long, but '-' as well as '--'
+ can indicate a long option. */
optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
if (optc == -1)
switch (optc)
{
default:
+ fprintf (stderr,
+ _("%s: use the --help option for usage information\n"),
+ program_name);
xexit (1);
case 1: /* File name. */
lang_add_input_file (optarg, lang_input_file_is_file_enum,
|| strcmp (optarg, "default") == 0)
config.dynamic_link = true;
else
- einfo ("%P%F: unrecognized -a option `%s'\n", optarg);
+ einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
break;
case OPTION_ASSERT:
/* FIXME: We just ignore these, but we should handle them. */
else if (strcmp (optarg, "pure-text") == 0)
;
else
- einfo ("%P%F: unrecognized -assert option `%s'\n", optarg);
+ einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
break;
case 'A':
ldfile_add_arch (optarg);
case OPTION_NON_SHARED:
config.dynamic_link = false;
break;
+ case OPTION_CREF:
+ command_line.cref = true;
+ link_info.notice_all = true;
+ break;
case 'd':
command_line.force_common_definition = true;
break;
parsing_defsym = 0;
lex_string = NULL;
break;
+ case OPTION_DEMANGLE:
+ demangling = true;
+ break;
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
command_line.embedded_relocs = true;
break;
case OPTION_EXPORT_DYNAMIC:
+ case 'E': /* HP/UX compatibility. */
command_line.export_dynamic = true;
break;
case 'e':
lang_add_entry (optarg, true);
break;
+ case 'f':
+ if (command_line.auxiliary_filters == NULL)
+ {
+ command_line.auxiliary_filters =
+ (char **) xmalloc (2 * sizeof (char *));
+ command_line.auxiliary_filters[0] = optarg;
+ command_line.auxiliary_filters[1] = NULL;
+ }
+ else
+ {
+ int c;
+ char **p;
+
+ c = 0;
+ for (p = command_line.auxiliary_filters; *p != NULL; p++)
+ ++c;
+ command_line.auxiliary_filters =
+ (char **) xrealloc (command_line.auxiliary_filters,
+ (c + 2) * sizeof (char *));
+ command_line.auxiliary_filters[c] = optarg;
+ command_line.auxiliary_filters[c + 1] = NULL;
+ }
+ break;
case 'F':
- /* Ignore. */
+ command_line.filter_shlib = optarg;
+ break;
+ case OPTION_FORCE_EXE_SUFFIX:
+ command_line.force_exe_suffix = true;
break;
case 'G':
{
char *end;
g_switch_value = strtoul (optarg, &end, 0);
if (*end)
- einfo ("%P%F: invalid number `%s'\n", optarg);
+ einfo (_("%P%F: invalid number `%s'\n"), optarg);
}
break;
case 'g':
/* Ignore. */
break;
+ case OPTION_GC_SECTIONS:
+ command_line.gc_sections = true;
+ break;
case OPTION_HELP:
help ();
xexit (0);
config.magic_demand_paged = false;
config.dynamic_link = false;
break;
+ case OPTION_NO_DEMANGLE:
+ demangling = false;
+ break;
+ case OPTION_NO_GC_SECTIONS:
+ command_line.gc_sections = false;
+ break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = false;
break;
+ case OPTION_NO_UNDEFINED:
+ link_info.no_undefined = true;
+ break;
+ case OPTION_NO_WARN_MISMATCH:
+ command_line.warn_mismatch = false;
+ break;
case OPTION_NOINHIBIT_EXEC:
force_make_executable = true;
break;
something, or can we create a new option to do that
(with a syntax similar to -defsym)?
getopt can't handle two args to an option without kludges. */
+
+ /* Enable optimizations of output files. */
+ link_info.optimize = strtoul (optarg, NULL, 0) ? true : false;
break;
case 'o':
lang_add_output (optarg, 0);
command_line.rpath = buystring (optarg);
else
{
+ size_t rpath_len = strlen (command_line.rpath);
+ size_t optarg_len = strlen (optarg);
char *buf;
+ char *cp = command_line.rpath;
- buf = xmalloc (strlen (command_line.rpath)
- + strlen (optarg)
- + 2);
- sprintf (buf, "%s:%s", command_line.rpath, optarg);
- free (command_line.rpath);
- command_line.rpath = buf;
+ /* First see whether OPTARG is already in the path. */
+ do
+ {
+ size_t idx = 0;
+ while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
+ ++idx;
+ if (optarg[idx] == '\0'
+ && (cp[idx] == '\0' || cp[idx] == ':'))
+ /* We found it. */
+ break;
+
+ /* Not yet found. */
+ cp = strchr (cp, ':');
+ if (cp != NULL)
+ ++cp;
+ }
+ while (cp != NULL);
+
+ if (cp == NULL)
+ {
+ buf = xmalloc (rpath_len + optarg_len + 2);
+ sprintf (buf, "%s:%s", command_line.rpath, optarg);
+ free (command_line.rpath);
+ command_line.rpath = buf;
+ }
}
break;
case OPTION_RPATH_LINK:
link_info.strip = strip_all;
break;
case OPTION_SHARED:
- link_info.shared = true;
+ if (config.has_shared)
+ link_info.shared = true;
+ else
+ einfo (_("%P%F: -shared not supported\n"));
break;
case 'h': /* Used on Solaris. */
case OPTION_SONAME:
set_section_start (".text", optarg);
break;
case OPTION_TRADITIONAL_FORMAT:
- config.traditional_format = true;
+ link_info.traditional_format = true;
break;
+ case OPTION_TASK_LINK:
+ link_info.task_link = true;
+ /* Fall through - do an implied -r option. */
case OPTION_UR:
link_info.relocateable = true;
config.build_constructors = true;
version_printed = true;
break;
case OPTION_VERSION:
- ldversion (0);
- version_printed = true;
+ /* This output is intended to follow the GNU standards document. */
+ printf ("GNU ld %s\n", ld_program_version);
+ printf (_("Copyright 1997 Free Software Foundation, Inc.\n"));
+ printf (_("\
+This program is free software; you may redistribute it under the terms of\n\
+the GNU General Public License. This program has absolutely no warranty.\n"));
+ {
+ ld_emulation_xfer_type **ptr = ld_emulations;
+
+ printf (_(" Supported emulations:\n"));
+ while (*ptr)
+ {
+ printf (" %s\n", (*ptr)->emulation_name);
+ ptr++;
+ }
+ }
+ xexit (0);
+ break;
+ case OPTION_VERSION_SCRIPT:
+ /* This option indicates a small script that only specifies
+ version information. Read it, but don't assume that
+ we've seen a linker script. */
+ {
+ boolean hold_had_script;
+
+ hold_had_script = had_script;
+ ldfile_open_command_file (optarg);
+ had_script = hold_had_script;
+ parser_input = input_version_script;
+ yyparse ();
+ }
+ break;
+ case OPTION_VERSION_EXPORTS_SECTION:
+ /* This option records a version symbol to be applied to the
+ symbols listed for export to be found in the object files
+ .exports sections. */
+ command_line.version_exports_section = optarg;
break;
case OPTION_WARN_COMMON:
config.warn_common = true;
case OPTION_WARN_ONCE:
config.warn_once = true;
break;
+ case OPTION_WARN_SECTION_ALIGN:
+ config.warn_section_align = true;
+ break;
case OPTION_WHOLE_ARCHIVE:
whole_archive = true;
break;
case OPTION_WRAP:
- if (link_info.wrap_hash == NULL)
- {
- link_info.wrap_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
- if (! bfd_hash_table_init_n (link_info.wrap_hash,
- bfd_hash_newfunc,
- 61))
- einfo ("%P%F: bfd_hash_table_init failed: %E\n");
- }
- if (bfd_hash_lookup (link_info.wrap_hash, optarg, true, true)
- == NULL)
- einfo ("%P%F: bfd_hash_lookup failed: %E\n");
+ add_wrap (optarg);
break;
case 'X':
link_info.discard = discard_l;
case 'Y':
if (strncmp (optarg, "P,", 2) == 0)
optarg += 2;
- default_dirlist = optarg;
+ default_dirlist = xstrdup (optarg);
break;
case 'y':
add_ysym (optarg);
ignored. Someday we should handle it correctly. FIXME. */
break;
case OPTION_SPLIT_BY_RELOC:
- config.split_by_reloc = atoi (optarg);
+ config.split_by_reloc = strtoul (optarg, NULL, 0);
break;
case OPTION_SPLIT_BY_FILE:
config.split_by_file = true;
break;
+ case OPTION_CHECK_SECTIONS:
+ command_line.check_section_addresses = true;
+ break;
+ case OPTION_NO_CHECK_SECTIONS:
+ command_line.check_section_addresses = false;
+ break;
case '(':
if (ingroup)
{
fprintf (stderr,
- "%s: may not nest groups (--help for usage)\n",
+ _("%s: may not nest groups (--help for usage)\n"),
program_name);
xexit (1);
}
if (! ingroup)
{
fprintf (stderr,
- "%s: group ended before it began (--help for usage)\n",
+ _("%s: group ended before it began (--help for usage)\n"),
program_name);
xexit (1);
}
lang_leave_group ();
ingroup = 0;
break;
+ case OPTION_MPC860C0:
+ link_info.mpc860c0 = 20; /* default value (in bytes) */
+ if (optarg)
+ {
+ unsigned words;
+ words = is_num (optarg, 1, 10, 0);
+ if (words == 0)
+ {
+ fprintf (stderr,
+ _("%s: Invalid argument to option \"mpc860c0\"\n"),
+ program_name);
+ xexit (1);
+ }
+ link_info.mpc860c0 = words * 4; /* convert words to bytes */
+ }
+ command_line.relax = true;
+ break;
+
+ case OPTION_INIT:
+ link_info.init_function = optarg;
+ break;
+
+ case OPTION_FINI:
+ link_info.fini_function = optarg;
+ break;
}
}
while (1)
{
- p = strchr (dirlist_ptr, ':');
+ p = strchr (dirlist_ptr, PATH_SEPARATOR);
if (p != NULL)
- *p = 0;
- if (*dirlist_ptr)
+ *p = '\0';
+ if (*dirlist_ptr != '\0')
ldfile_add_library_path (dirlist_ptr, true);
if (p == NULL)
break;
- *p = ':';
dirlist_ptr = p + 1;
}
}
char *end;
unsigned long val = strtoul (valstr, &end, 16);
if (*end)
- einfo ("%P%F: invalid hex number `%s'\n", valstr);
+ einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
lang_section_start (sect, exp_intop (val));
}
\f
+/* Print help messages for the options. */
+
+static void
+help ()
+{
+ int i;
+ const char **targets, **pp;
+
+ printf (_("Usage: %s [options] file...\n"), program_name);
+
+ printf (_("Options:\n"));
+ for (i = 0; i < OPTION_COUNT; i++)
+ {
+ if (ld_options[i].doc != NULL)
+ {
+ boolean comma;
+ int len;
+ int j;
+
+ printf (" ");
+
+ comma = false;
+ len = 2;
+
+ j = i;
+ do
+ {
+ if (ld_options[j].shortopt != '\0'
+ && ld_options[j].control != NO_HELP)
+ {
+ printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
+ len += (comma ? 2 : 0) + 2;
+ if (ld_options[j].arg != NULL)
+ {
+ if (ld_options[j].opt.has_arg != optional_argument)
+ {
+ printf (" ");
+ ++len;
+ }
+ printf ("%s", _(ld_options[j].arg));
+ len += strlen (_(ld_options[j].arg));
+ }
+ comma = true;
+ }
+ ++j;
+ }
+ while (j < OPTION_COUNT && ld_options[j].doc == NULL);
+
+ j = i;
+ do
+ {
+ if (ld_options[j].opt.name != NULL
+ && ld_options[j].control != NO_HELP)
+ {
+ printf ("%s-%s%s",
+ comma ? ", " : "",
+ ld_options[j].control == TWO_DASHES ? "-" : "",
+ ld_options[j].opt.name);
+ len += ((comma ? 2 : 0)
+ + 1
+ + (ld_options[j].control == TWO_DASHES ? 1 : 0)
+ + strlen (ld_options[j].opt.name));
+ if (ld_options[j].arg != NULL)
+ {
+ printf (" %s", _(ld_options[j].arg));
+ len += 1 + strlen (_(ld_options[j].arg));
+ }
+ comma = true;
+ }
+ ++j;
+ }
+ while (j < OPTION_COUNT && ld_options[j].doc == NULL);
+
+ if (len >= 30)
+ {
+ printf ("\n");
+ len = 0;
+ }
+
+ for (; len < 30; len++)
+ putchar (' ');
+
+ printf ("%s\n", _(ld_options[i].doc));
+ }
+ }
+
+ /* Note: Various tools (such as libtool) depend upon the
+ format of the listings below - do not change them. */
+ /* xgettext:c-format */
+ printf (_("%s: supported targets:"), program_name);
+ targets = bfd_target_list ();
+ for (pp = targets; *pp != NULL; pp++)
+ printf (" %s", *pp);
+ free (targets);
+ printf ("\n");
+
+ /* xgettext:c-format */
+ printf (_("%s: supported emulations: "), program_name);
+ ldemul_list_emulations (stdout);
+ printf ("\n");
+
+ /* xgettext:c-format */
+ printf (_("%s: emulation specific options:\n"), program_name);
+ ldemul_list_emulation_options (stdout);
+ printf ("\n");
+
+ printf (_("\nReport bugs to bug-gnu-utils@gnu.org\n"));
+}
projects / external / binutils.git / blobdiff