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-rw-r--r--ld/ChangeLog9
-rw-r--r--ld/emulparams/sun4.sh8
-rw-r--r--ld/emultempl/sunos.em6
-rw-r--r--ld/lexsup.c215
-rw-r--r--ld/scripttempl/aout.sc14
5 files changed, 74 insertions, 178 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 2356ca2..6bf38d1 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,12 @@
+Thu Sep 28 12:34:13 1995 Ian Lance Taylor <ian@cygnus.com>
+
+ * lexsup.c (parse_args): Handle -assert.
+ * emulparams/sun4.sh (GENERATE_SHLIB_SCRIPT): Define.
+ * emultempl/sunos.em (gld${EMULATION_NAME}_get_script): Use the
+ shared library script when appropriate.
+ * scripttempl/aout.sc: If CREATE_SHLIB is set, start the .text
+ section at SIZEOF_HEADERS.
+
Thu Sep 28 01:40:37 1995 Doug Evans <dje@deneb.cygnus.com>
* Makefile.in (earmcoff.c): Build.
diff --git a/ld/emulparams/sun4.sh b/ld/emulparams/sun4.sh
new file mode 100644
index 0000000..5e0387c
--- /dev/null
+++ b/ld/emulparams/sun4.sh
@@ -0,0 +1,8 @@
+SCRIPT_NAME=aout
+OUTPUT_FORMAT="a.out-sunos-big"
+TEXT_START_ADDR=0x2020
+PAGE_SIZE=0x2000
+NONPAGED_TEXT_START_ADDR=0x2000
+ARCH=sparc
+TEMPLATE_NAME=sunos
+GENERATE_SHLIB_SCRIPT=yes
diff --git a/ld/emultempl/sunos.em b/ld/emultempl/sunos.em
index ffdf098..fc98092 100644
--- a/ld/emultempl/sunos.em
+++ b/ld/emultempl/sunos.em
@@ -334,7 +334,7 @@ gld${EMULATION_NAME}_before_allocation ()
lang_for_each_input_file (gld${EMULATION_NAME}_set_need);
- ASSERT (need_pnames - sneed->contents == need_size);
+ ASSERT ((bfd_size_type) (need_pnames - sneed->contents) == need_size);
}
if (srules != NULL)
@@ -540,6 +540,8 @@ cat >>e${EMULATION_NAME}.c <<EOF
return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
else if (!config.magic_demand_paged)
return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
+ else if (link_info.shared)
+ return `sed "$sc" ldscripts/${EMULATION_NAME}.xs`;
else
return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
}
@@ -560,6 +562,8 @@ cat >>e${EMULATION_NAME}.c <<EOF
return "ldscripts/${EMULATION_NAME}.xbn";
else if (!config.magic_demand_paged)
return "ldscripts/${EMULATION_NAME}.xn";
+ else if (link_info.shared)
+ return "ldscripts/${EMULATION_NAME}.xs";
else
return "ldscripts/${EMULATION_NAME}.x";
}
diff --git a/ld/lexsup.c b/ld/lexsup.c
index 30394bf..a0a5ad0 100644
--- a/ld/lexsup.c
+++ b/ld/lexsup.c
@@ -24,7 +24,6 @@ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307
#include <ctype.h>
#include "getopt.h"
#include "bfdlink.h"
-#include "config.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
@@ -34,6 +33,7 @@ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307
#include "ldlex.h"
#include "ldfile.h"
#include "ldver.h"
+#include "ldemul.h"
/* Somewhere above, sys/stat.h got included . . . . */
#if !defined(S_ISDIR) && defined(S_IFDIR)
@@ -47,15 +47,6 @@ unsigned long strtoul ();
static void set_default_dirlist PARAMS ((char *dirlist_ptr));
static void set_section_start PARAMS ((char *sect, char *valstr));
-/* PE format; declare additional functions */
-static void set_pe_subsystem PARAMS ((void));
-static void set_pe_stack_heap PARAMS ((bfd_link_pe_info_dval *reserve,
- bfd_link_pe_info_dval *commit));
-static void set_pe_value PARAMS ((bfd_link_pe_info_dval *val));
-
-/* PE info; passed to bfd if any pe options set. */
-static bfd_link_pe_info pe_info;
-
void
parse_args (argc, argv)
@@ -64,6 +55,7 @@ parse_args (argc, 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
@@ -75,13 +67,13 @@ parse_args (argc, argv)
/* 150 isn't special; it's just an arbitrary non-ASCII char value. */
-#define OPTION_CALL_SHARED 150
+#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_EB (OPTION_DYNAMIC_LINKER + 1)
#define OPTION_EL (OPTION_EB + 1)
-#define OPTION_HEAP (OPTION_EL + 1)
-#define OPTION_EMBEDDED_RELOCS (OPTION_HEAP + 1)
+#define OPTION_EMBEDDED_RELOCS (OPTION_EL + 1)
#define OPTION_EXPORT_DYNAMIC (OPTION_EMBEDDED_RELOCS + 1)
#define OPTION_HELP (OPTION_EXPORT_DYNAMIC + 1)
#define OPTION_IGNORE (OPTION_HELP + 1)
@@ -112,23 +104,10 @@ parse_args (argc, argv)
#define OPTION_SPLIT_BY_FILE (OPTION_SPLIT_BY_RELOC + 1)
#define OPTION_WHOLE_ARCHIVE (OPTION_SPLIT_BY_FILE + 1)
-/* Used for setting flags in the PE header. */
-#define OPTION_BASE_FILE (OPTION_WHOLE_ARCHIVE + 1)
-#define OPTION_DLL (OPTION_BASE_FILE + 1)
-#define OPTION_FILE_ALIGNMENT (OPTION_DLL + 1)
-#define OPTION_IMAGE_BASE (OPTION_FILE_ALIGNMENT + 1)
-#define OPTION_MAJOR_IMAGE_VERSION (OPTION_IMAGE_BASE + 1)
-#define OPTION_MAJOR_OS_VERSION (OPTION_MAJOR_IMAGE_VERSION + 1)
-#define OPTION_MAJOR_SUBSYSTEM_VERSION (OPTION_MAJOR_OS_VERSION + 1)
-#define OPTION_MINOR_IMAGE_VERSION (OPTION_MAJOR_SUBSYSTEM_VERSION + 1)
-#define OPTION_MINOR_OS_VERSION (OPTION_MINOR_IMAGE_VERSION + 1)
-#define OPTION_MINOR_SUBSYSTEM_VERSION (OPTION_MINOR_OS_VERSION + 1)
-#define OPTION_SECTION_ALIGNMENT (OPTION_MINOR_SUBSYSTEM_VERSION + 1)
-#define OPTION_STACK (OPTION_SECTION_ALIGNMENT + 1)
-#define OPTION_SUBSYSTEM (OPTION_STACK + 1)
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},
@@ -179,21 +158,6 @@ parse_args (argc, argv)
{"split-by-file", no_argument, NULL, OPTION_SPLIT_BY_FILE},
{"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
- /* PE options */
- {"base-file", required_argument, NULL, OPTION_BASE_FILE},
- {"dll", no_argument, NULL, OPTION_DLL},
- {"file-alignment", required_argument, NULL, OPTION_FILE_ALIGNMENT},
- {"heap", required_argument, NULL, OPTION_HEAP},
- {"image-base", required_argument, NULL, OPTION_IMAGE_BASE},
- {"major-image-version", required_argument, NULL, OPTION_MAJOR_IMAGE_VERSION},
- {"major-os-version", required_argument, NULL, OPTION_MAJOR_OS_VERSION},
- {"major-subsystem-version", required_argument, NULL, OPTION_MAJOR_SUBSYSTEM_VERSION},
- {"minor-image-version", required_argument, NULL, OPTION_MINOR_IMAGE_VERSION},
- {"minor-os-version", required_argument, NULL, OPTION_MINOR_OS_VERSION},
- {"minor-subsystem-version", required_argument, NULL, OPTION_MINOR_SUBSYSTEM_VERSION},
- {"section-alignment", required_argument, NULL, OPTION_SECTION_ALIGNMENT},
- {"stack", required_argument, NULL, OPTION_STACK},
- {"subsystem", required_argument, NULL, OPTION_SUBSYSTEM},
{NULL, no_argument, NULL, 0}
};
@@ -220,11 +184,15 @@ parse_args (argc, argv)
/* getopt_long_only is like getopt_long, but '-' as well as '--' can
indicate a long option. */
int longind;
- int optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
+ int optc;
+
+ if (ldemul_parse_args (argc, argv))
+ continue;
+
+ optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
if (optc == -1)
break;
-
switch (optc)
{
default:
@@ -248,6 +216,29 @@ parse_args (argc, argv)
else
einfo ("%P%F: unrecognized -a option `%s'\n", optarg);
break;
+ case OPTION_ASSERT:
+ /* FIXME: We just ignore these, except for pure-text, but we
+ should handle them. */
+ if (strcmp (optarg, "definitions") == 0)
+ ;
+ else if (strcmp (optarg, "nodefinitions") == 0)
+ ;
+ else if (strcmp (optarg, "nosymbolic") == 0)
+ ;
+ else if (strcmp (optarg, "pure-text") == 0)
+ {
+ /* FIXME: This is wrong. We do it this way as a hack to
+ support SunOS4, on which gcc -shared will pass
+ -assert pure-text to the linker. The SunOS linker
+ will automatically create a shared library if there
+ are any undefined symbols, but our linker does not
+ know how to do that (it seems to require an extra
+ pass over the relocs). */
+ link_info.shared = true;
+ }
+ else
+ einfo ("%P%F: unrecognized -assert option `%s'\n", optarg);
+ break;
case 'A':
ldfile_add_arch (optarg);
break;
@@ -344,7 +335,6 @@ parse_args (argc, argv)
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. */
- set_default_dirlist (optarg);
break;
case 'o':
lang_add_output (optarg, 0);
@@ -411,7 +401,7 @@ parse_args (argc, argv)
case OPTION_SHARED:
link_info.shared = true;
break;
- case 'h': /* Used on Solaris. */
+ case 'h': /* Used on Solaris. */
case OPTION_SONAME:
command_line.soname = optarg;
break;
@@ -490,7 +480,9 @@ parse_args (argc, argv)
link_info.discard = discard_all;
break;
case 'Y':
- set_default_dirlist (optarg);
+ if (strncmp (optarg, "P,", 2) == 0)
+ optarg += 2;
+ default_dirlist = optarg;
break;
case 'y':
add_ysym (optarg);
@@ -529,64 +521,15 @@ parse_args (argc, argv)
ingroup = 0;
break;
-
-
- case OPTION_BASE_FILE:
- link_info.base_file = (PTR) fopen (optarg,"w");
- if (link_info.base_file == NULL)
- {
- fprintf (stderr, "%s: Can't open base file %s\n",
- program_name, optarg);
- xexit (1);
- }
- break;
-
- /* PE options */
- case OPTION_HEAP:
- set_pe_stack_heap (&pe_info.heap_reserve, &pe_info.heap_commit);
- break;
- case OPTION_STACK:
- set_pe_stack_heap (&pe_info.stack_reserve, &pe_info.stack_commit);
- break;
- case OPTION_SUBSYSTEM:
- set_pe_subsystem ();
- break;
- case OPTION_MAJOR_OS_VERSION:
- set_pe_value (&pe_info.major_os_version);
- break;
- case OPTION_MINOR_OS_VERSION:
- set_pe_value (&pe_info.minor_os_version);
- break;
- case OPTION_MAJOR_SUBSYSTEM_VERSION:
- set_pe_value (&pe_info.major_subsystem_version);
- break;
- case OPTION_MINOR_SUBSYSTEM_VERSION:
- set_pe_value (&pe_info.minor_subsystem_version);
- break;
- case OPTION_MAJOR_IMAGE_VERSION:
- set_pe_value (&pe_info.major_image_version);
- break;
- case OPTION_MINOR_IMAGE_VERSION:
- set_pe_value (&pe_info.minor_image_version);
- break;
- case OPTION_FILE_ALIGNMENT:
- set_pe_value (&pe_info.file_alignment);
- break;
- case OPTION_SECTION_ALIGNMENT:
- set_pe_value (&pe_info.section_alignment);
- break;
- case OPTION_DLL:
- pe_info.dll.defined = 1;
- pe_info.dll.value = 1;
- break;
- case OPTION_IMAGE_BASE:
- set_pe_value (&pe_info.image_base);
- break;
}
}
if (ingroup)
lang_leave_group ();
+
+ if (default_dirlist != NULL)
+ set_default_dirlist (default_dirlist);
+
}
/* Add the (colon-separated) elements of DIRLIST_PTR to the
@@ -623,75 +566,3 @@ set_section_start (sect, valstr)
lang_section_start (sect, exp_intop (val));
}
-/* PE/WIN32; added routines to get the subsystem type, heap and/or stack
- parameters which may be input from the command line */
-
-static void
-set_pe_subsystem ()
-{
- int i;
- static struct
- {
- char *name ;
- int value;
- }
- v[] =
- {
- {"native", BFD_PE_NATIVE},
- {"windows",BFD_PE_WINDOWS},
- {"console",BFD_PE_CONSOLE},
- {"os2",BFD_PE_OS2},
- {"posix", BFD_PE_POSIX},
- {0,0}
- };
-
- for (i = 0; v[i].name; i++)
- {
- if (!strcmp (optarg, v[i].name))
- {
- link_info.pe_info = &pe_info;
- pe_info.subsystem.value = v[i].value;
- pe_info.subsystem.defined = 1;
- return;
- }
- }
- einfo ("%P%F: invalid subsystem type `%s'\n", optarg);
-}
-
-static void
-set_pe_value (ptr)
- bfd_link_pe_info_dval *ptr;
-{
- char *end;
- ptr->value = strtoul (optarg, &end, 16);
- if (end == optarg)
- {
- einfo ("%P%F: invalid hex number for PE parameter '%s'\n", optarg);
- }
-
- optarg = end;
- ptr->defined = 1;
- link_info.pe_info = &pe_info;
-}
-
-static void
-set_pe_stack_heap (reserve, commit)
- bfd_link_pe_info_dval *reserve;
- bfd_link_pe_info_dval *commit;
-{
- char *begin_commit;
- char *end;
-
- set_pe_value (reserve);
- if (*optarg == ',')
- {
- optarg++;
- set_pe_value (commit);
- }
- else if (*optarg)
- {
- einfo ("%P%F: strange hex info for PE parameter '%s'\n", optarg);
- }
-}
-
-
diff --git a/ld/scripttempl/aout.sc b/ld/scripttempl/aout.sc
index 59e71fb..f11deea 100644
--- a/ld/scripttempl/aout.sc
+++ b/ld/scripttempl/aout.sc
@@ -7,7 +7,9 @@ ${STACKZERO+${RELOCATING+${STACKZERO}}}
${SHLIB_PATH+${RELOCATING+${SHLIB_PATH}}}
SECTIONS
{
- .text ${RELOCATING+${TEXT_START_ADDR}}:
+ ${CREATE_SHLIB-${RELOCATING+. = ${TEXT_START_ADDR};}}
+ ${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
+ .text :
{
CREATE_OBJECT_SYMBOLS
*(.text)
@@ -19,22 +21,24 @@ SECTIONS
*(.dynstr)
*(.rules)
*(.need)
+ ${RELOCATING+_etext = .;}
+ ${RELOCATING+__etext = .;}
${PAD_TEXT+${RELOCATING+. = ${DATA_ALIGNMENT};}}
- ${RELOCATING+_etext = ${DATA_ALIGNMENT};}
- ${RELOCATING+__etext = ${DATA_ALIGNMENT};}
}
- .data ${RELOCATING+${DATA_ALIGNMENT}} :
+ ${RELOCATING+. = ${DATA_ALIGNMENT};}
+ .data :
{
/* The first three sections are for SunOS dynamic linking. */
*(.dynamic)
*(.got)
*(.plt)
*(.data)
+ *(.linux-dynamic) /* For Linux dynamic linking. */
${CONSTRUCTING+CONSTRUCTORS}
${RELOCATING+_edata = .;}
${RELOCATING+__edata = .;}
}
- .bss ${RELOCATING+SIZEOF(.data) + ADDR(.data)} :
+ .bss :
{
${RELOCATING+ __bss_start = .};
*(.bss)