/* Parse options for the GNU linker.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004
+ 2001, 2002, 2003, 2004, 2005
Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
+#include "config.h"
#include "bfd.h"
#include "sysdep.h"
#include "libiberty.h"
static void set_default_dirlist (char *);
static void set_section_start (char *, char *);
+static void set_segment_start (const char *, char *);
static void help (void);
/* Non-zero if we are processing a --defsym from the command line. */
OPTION_DEFSYM,
OPTION_DEMANGLE,
OPTION_DYNAMIC_LINKER,
+ OPTION_SYSROOT,
OPTION_EB,
OPTION_EL,
OPTION_EMBEDDED_RELOCS,
OPTION_SHARED,
OPTION_SONAME,
OPTION_SORT_COMMON,
+ OPTION_SORT_SECTION,
OPTION_STATS,
OPTION_SYMBOLIC,
OPTION_TASK_LINK,
OPTION_SPLIT_BY_RELOC,
OPTION_SPLIT_BY_FILE ,
OPTION_WHOLE_ARCHIVE,
+ OPTION_ADD_NEEDED,
+ OPTION_NO_ADD_NEEDED,
OPTION_AS_NEEDED,
OPTION_NO_AS_NEEDED,
OPTION_WRAP,
OPTION_NO_ALLOW_SHLIB_UNDEFINED,
OPTION_ALLOW_MULTIPLE_DEFINITION,
OPTION_NO_UNDEFINED_VERSION,
+ OPTION_DEFAULT_SYMVER,
+ OPTION_DEFAULT_IMPORTED_SYMVER,
OPTION_DISCARD_NONE,
OPTION_SPARE_DYNAMIC_TAGS,
OPTION_NO_DEFINE_COMMON,
OPTION_UNRESOLVED_SYMBOLS,
OPTION_WARN_UNRESOLVED_SYMBOLS,
OPTION_ERROR_UNRESOLVED_SYMBOLS,
+ OPTION_WARN_SHARED_TEXTREL,
OPTION_REDUCE_MEMORY_OVERHEADS
};
{ {"library-path", required_argument, NULL, 'L'},
'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
TWO_DASHES },
+ { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
+ '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
{ {"print-map", no_argument, NULL, 'M'},
OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
'\0', NULL, N_("Reject input files whose architecture is unknown"),
TWO_DASHES },
+ { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
+ '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
+ "\t\t\t\tfollowing dynamic libs"), TWO_DASHES },
+ { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
+ '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
+ "\t\t\t\tin following dynamic libs"), TWO_DASHES },
+ { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
+ '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
+ TWO_DASHES },
+ { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
+ '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
+ 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},
TWO_DASHES },
{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
'\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
+ { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
+ '\0', NULL, N_("Treat warnings as errors"),
+ 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_("Allow multiple definitions"), TWO_DASHES },
{ {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
'\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
+ { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
+ '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
+ { {"default-imported-symver", no_argument, NULL,
+ OPTION_DEFAULT_IMPORTED_SYMVER},
+ '\0', NULL, N_("Create default symbol version for imported 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_("Sort common symbols by size"), TWO_DASHES },
{ {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
'\0', NULL, NULL, NO_HELP },
+ { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
+ '\0', N_("name|alignment"),
+ N_("Sort sections by name or maximum alignment"), TWO_DASHES },
{ {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
'\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
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 },
+ { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
+ '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
+ TWO_DASHES },
{ {"warn-unresolved-symbols", no_argument, NULL,
OPTION_WARN_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
{ {"error-unresolved-symbols", no_argument, NULL,
OPTION_ERROR_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
- { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
- '\0', NULL, N_("Treat warnings as errors"),
- TWO_DASHES },
{ {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
'\0', NULL, N_("Include all objects from following archives"),
TWO_DASHES },
- { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
- '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
- TWO_DASHES },
- { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
- '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
- TWO_DASHES },
{ {"wrap", required_argument, NULL, OPTION_WRAP},
'\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
};
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
break;
+ case OPTION_SYSROOT:
+ /* Already handled in ldmain.c. */
+ break;
case OPTION_EB:
command_line.endian = ENDIAN_BIG;
break;
/* Ignore. */
break;
case OPTION_GC_SECTIONS:
- command_line.gc_sections = TRUE;
+ link_info.gc_sections = TRUE;
break;
case OPTION_HELP:
help ();
demangling = FALSE;
break;
case OPTION_NO_GC_SECTIONS:
- command_line.gc_sections = FALSE;
+ link_info.gc_sections = FALSE;
break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = FALSE;
case OPTION_NO_UNDEFINED_VERSION:
link_info.allow_undefined_version = FALSE;
break;
+ case OPTION_DEFAULT_SYMVER:
+ link_info.create_default_symver = TRUE;
+ break;
+ case OPTION_DEFAULT_IMPORTED_SYMVER:
+ link_info.default_imported_symver = TRUE;
+ break;
case OPTION_NO_WARN_MISMATCH:
command_line.warn_mismatch = FALSE;
break;
case OPTION_SORT_COMMON:
config.sort_common = TRUE;
break;
+ case OPTION_SORT_SECTION:
+ if (strcmp (optarg, N_("name")) == 0)
+ sort_section = by_name;
+ else if (strcmp (optarg, N_("alignment")) == 0)
+ sort_section = by_alignment;
+ else
+ einfo (_("%P%F: invalid section sorting option: %s\n"),
+ optarg);
+ break;
case OPTION_STATS:
config.stats = TRUE;
break;
ldemul_list_emulation_options (stdout);
exit (0);
case OPTION_TBSS:
- set_section_start (".bss", optarg);
+ set_segment_start (".bss", optarg);
break;
case OPTION_TDATA:
- set_section_start (".data", optarg);
+ set_segment_start (".data", optarg);
break;
case OPTION_TTEXT:
- set_section_start (".text", optarg);
+ set_segment_start (".text", optarg);
break;
case OPTION_TRADITIONAL_FORMAT:
link_info.traditional_format = TRUE;
case OPTION_WARN_SECTION_ALIGN:
config.warn_section_align = TRUE;
break;
+ case OPTION_WARN_SHARED_TEXTREL:
+ link_info.warn_shared_textrel = TRUE;
+ break;
case OPTION_WHOLE_ARCHIVE:
whole_archive = TRUE;
break;
+ case OPTION_ADD_NEEDED:
+ add_needed = TRUE;
+ break;
+ case OPTION_NO_ADD_NEEDED:
+ add_needed = FALSE;
+ break;
case OPTION_AS_NEEDED:
as_needed = TRUE;
break;
bfd_vma val = bfd_scan_vma (valstr, &end, 16);
if (*end)
einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
- lang_section_start (sect, exp_intop (val));
+ lang_section_start (sect, exp_intop (val), NULL);
}
+
+static void
+set_segment_start (const char *section, char *valstr)
+{
+ const char *name;
+ const char *end;
+ segment_type *seg;
+
+ bfd_vma val = bfd_scan_vma (valstr, &end, 16);
+ if (*end)
+ einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
+ /* If we already have an entry for this segment, update the existing
+ value. */
+ name = section + 1;
+ for (seg = segments; seg; seg = seg->next)
+ if (strcmp (seg->name, name) == 0)
+ {
+ seg->value = val;
+ return;
+ }
+ /* There was no existing value so we must create a new segment
+ entry. */
+ seg = stat_alloc (sizeof (*seg));
+ seg->name = name;
+ seg->value = val;
+ seg->used = FALSE;
+ /* Add it to the linked list of segments. */
+ seg->next = segments;
+ segments = seg;
+ /* Historically, -Ttext and friends set the base address of a
+ particular section. For backwards compatibility, we still do
+ that. If a SEGMENT_START directive is seen, the section address
+ assignment will be disabled. */
+ lang_section_start (section, exp_intop (val), seg);
+}
+
\f
/* Print help messages for the options. */
projects / deliverable / binutils-gdb.git / blobdiff