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authorAlan Modra <amodra@gmail.com>2002-08-06 11:40:30 +0000
committerAlan Modra <amodra@gmail.com>2002-08-06 11:40:30 +0000
commit7fc44b9cd621f388b62375fa9f2f882c679a6eac (patch)
treecfd3988529876741c5f78e88bfd52a34e0c64923 /ld/emultempl
parent86fff92e975577e8002ba9100509bf9f48b04ac4 (diff)
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* emultempl/aix.em (gld*_before_parse): Set default arch. Reverts
2002-05-10 change.
Diffstat (limited to 'ld/emultempl')
-rw-r--r--ld/emultempl/aix.em129
1 files changed, 69 insertions, 60 deletions
diff --git a/ld/emultempl/aix.em b/ld/emultempl/aix.em
index 4388e05..8b386ba 100644
--- a/ld/emultempl/aix.em
+++ b/ld/emultempl/aix.em
@@ -63,13 +63,13 @@ static char *gld${EMULATION_NAME}_choose_target PARAMS ((int, char **));
static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
static void gld${EMULATION_NAME}_read_file PARAMS ((const char *, boolean));
static void gld${EMULATION_NAME}_free PARAMS ((PTR));
-static void gld${EMULATION_NAME}_find_relocs
+static void gld${EMULATION_NAME}_find_relocs
PARAMS ((lang_statement_union_type *));
static void gld${EMULATION_NAME}_find_exp_assignment PARAMS ((etree_type *));
static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
static boolean gld${EMULATION_NAME}_unrecognized_file
PARAMS ((lang_input_statement_type *));
-static void gld${EMULATION_NAME}_create_output_section_statements
+static void gld${EMULATION_NAME}_create_output_section_statements
PARAMS ((void));
static void gld${EMULATION_NAME}_set_output_arch PARAMS ((void));
@@ -135,7 +135,7 @@ static unsigned int syscall_mask = 0x77;
/* fake file for -binitfini support */
static lang_input_statement_type *initfini_file;
-/* Whether to do run time linking
+/* Whether to do run time linking
-brtl enables, -bnortl and -bnortllib disable. */
static int rtld;
@@ -147,12 +147,21 @@ static char *command_line_blibpath = NULL;
static void
gld${EMULATION_NAME}_before_parse ()
{
+ const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
+ if (arch)
+ {
+ ldfile_output_architecture = arch->arch;
+ ldfile_output_machine = arch->mach;
+ ldfile_output_machine_name = arch->printable_name;
+ }
+ else
+ ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`;
config.has_shared = true;
/* The link_info.[init|fini]_functions are initialized in ld/lexsup.c.
Override them here so we can use the link_info.init_function as a
- state flag that lets the backend know that -binitfini has been done. */
+ state flag that lets the backend know that -binitfini has been done. */
link_info.init_function = NULL;
link_info.fini_function = NULL;
@@ -173,7 +182,7 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
bfd_signed_vma val;
char *end;
- enum
+ enum
{
OPTION_IGNORE = 300,
OPTION_AUTOIMP,
@@ -202,7 +211,7 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
uses the arguemnts to generate a table of init and fini functions for
the executable. The important use for this option is to support aix 4.2+
c++ constructors and destructors. This is tied into gcc via collect2.c.
-
+
The function table is accessed by the runtime linker/loader by checking if
the first symbol in the loader symbol table is __rtinit. The gnu linker
generates this symbol and makes it the first loader symbol. */
@@ -333,9 +342,9 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
case 'T':
/* On AIX this is the same as GNU ld -Ttext. When we see -T
- number, we assume the AIX option is intended. Otherwise, we
- assume the usual GNU ld -T option is intended. We can't just
- ignore the AIX option, because gcc passes it to the linker. */
+ number, we assume the AIX option is intended. Otherwise, we
+ assume the usual GNU ld -T option is intended. We can't just
+ ignore the AIX option, because gcc passes it to the linker. */
val = strtoull (optarg, &end, 0);
if (*end != '\0')
{
@@ -384,7 +393,7 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
link_info.fini_function = f;
}
break;
-
+
case OPTION_AUTOIMP:
link_info.static_link = false;
break;
@@ -431,7 +440,7 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
case OPTION_MAXSTACK:
val = strtoull (optarg, &end, 0);
if (*end != '\0')
- einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
+ einfo ("%P: warning: ignoring invalid -bmaxstack number %s\n",
optarg);
else
maxstack = val;
@@ -459,9 +468,9 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
case OPTION_PD:
/* This sets the page that the .data section is supposed to
- start on. The offset within the page should still be the
- offset within the file, so we need to build an appropriate
- expression. */
+ start on. The offset within the page should still be the
+ offset within the file, so we need to build an appropriate
+ expression. */
val = strtoull (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -pD number %s\n", optarg);
@@ -483,8 +492,8 @@ gld${EMULATION_NAME}_parse_args (argc, argv)
case OPTION_PT:
/* This set the page that the .text section is supposed to start
- on. The offset within the page should still be the offset
- within the file. */
+ on. The offset within the page should still be the offset
+ within the file. */
val = strtoull (optarg, &end, 0);
if (*end != '\0')
einfo ("%P: warning: ignoring invalid -pT number %s\n", optarg);
@@ -600,8 +609,8 @@ gld${EMULATION_NAME}_after_open ()
bfd_size_type size;
/* If the symbol is defined, we may have been invoked from
- collect, and the sets may already have been built, so we do
- not do anything. */
+ collect, and the sets may already have been built, so we do
+ not do anything. */
if (p->h->type == bfd_link_hash_defined
|| p->h->type == bfd_link_hash_defweak)
continue;
@@ -651,9 +660,9 @@ gld${EMULATION_NAME}_before_allocation ()
lang_for_each_statement (gld${EMULATION_NAME}_find_relocs);
/* Precedence of LIBPATH
- -blibpath: native support always first
- -rpath: gnu extension
- -L build from command line -L's */
+ -blibpath: native support always first
+ -rpath: gnu extension
+ -L build from command line -L's */
if (command_line_blibpath != NULL)
libpath = command_line_blibpath;
else if (command_line.rpath != NULL)
@@ -681,10 +690,10 @@ gld${EMULATION_NAME}_before_allocation ()
}
/* Let the XCOFF backend set up the .loader section. */
- if (!bfd_xcoff_size_dynamic_sections
+ if (!bfd_xcoff_size_dynamic_sections
(output_bfd, &link_info, libpath, entry_symbol.name, file_align,
maxstack, maxdata, gc && !unix_ld ? true : false,
- modtype, textro ? true : false, unix_ld, special_sections,
+ modtype, textro ? true : false, unix_ld, special_sections,
rtld ? true : false))
einfo ("%P%F: failed to set dynamic section sizes: %E\n");
@@ -704,16 +713,16 @@ gld${EMULATION_NAME}_before_allocation ()
continue;
/* Remove this section from the list of the output section.
- This assumes we know what the script looks like. */
+ This assumes we know what the script looks like. */
is = NULL;
os = lang_output_section_find (sec->output_section->name);
- if (os == NULL)
+ if (os == NULL)
einfo ("%P%F: can't find output section %s\n",
sec->output_section->name);
for (pls = &os->children.head; *pls != NULL; pls = &(*pls)->header.next)
{
- if ((*pls)->header.type == lang_input_section_enum
+ if ((*pls)->header.type == lang_input_section_enum
&& (*pls)->input_section.section == sec)
{
is = (lang_input_section_type *) * pls;
@@ -729,7 +738,7 @@ gld${EMULATION_NAME}_before_allocation ()
*pwls != NULL; pwls = &(*pwls)->header.next)
{
- if ((*pwls)->header.type == lang_input_section_enum
+ if ((*pwls)->header.type == lang_input_section_enum
&& (*pwls)->input_section.section == sec)
{
is = (lang_input_section_type *) * pwls;
@@ -811,7 +820,7 @@ gld${EMULATION_NAME}_choose_target (argc, argv)
int i, j, jmax;
static char *from_outside;
static char *from_inside;
- static char *argv_to_target[][2] = {
+ static char *argv_to_target[][2] = {
{NULL, "${OUTPUT_FORMAT}"},
{"-b32", "${OUTPUT_FORMAT_32BIT}"},
{"-b64", "${OUTPUT_FORMAT_64BIT}"},
@@ -827,7 +836,7 @@ gld${EMULATION_NAME}_choose_target (argc, argv)
from_inside = argv_to_target[0][1];
for (i = 1; i < argc; i++)
{
- for (j = 1; j < jmax; j++)
+ for (j = 1; j < jmax; j++)
{
if (0 == strcmp (argv[i], argv_to_target[j][0]))
from_inside = argv_to_target[j][1];
@@ -837,10 +846,10 @@ gld${EMULATION_NAME}_choose_target (argc, argv)
return from_inside;
}
-/* Returns
+/* Returns
1 : state changed
0 : no change */
-static int
+static int
change_symbol_mode (input)
char *input;
{
@@ -871,18 +880,18 @@ change_symbol_mode (input)
return 0;
}
-/* Returns
+/* Returns
1 : yes
0 : ignore
-1 : error, try something else */
-static int
+static int
is_syscall (input, flag)
char *input;
unsigned int *flag;
{
unsigned int bit;
char *string;
-
+
struct sc {
char *syscall_string;
unsigned int flag;
@@ -900,20 +909,20 @@ is_syscall (input, flag)
*flag = 0;
- for (bit = 0;; bit++)
+ for (bit = 0;; bit++)
{
string = s[bit].syscall_string;
- if (string == NULL)
+ if (string == NULL)
return -1;
- if (0 == strcmp (input, string))
+ if (0 == strcmp (input, string))
{
- if (1 << bit & syscall_mask)
+ if (1 << bit & syscall_mask)
{
*flag = s[bit].flag;
return 1;
- }
- else
+ }
+ else
{
return 0;
}
@@ -1106,8 +1115,8 @@ gld${EMULATION_NAME}_read_file (filename, import)
char *end;
status = is_syscall (s, &syscall_flag);
-
- if (0 > status)
+
+ if (0 > status)
{
/* not a system call, check for address */
address = strtoul (s, &end, 0);
@@ -1115,7 +1124,7 @@ gld${EMULATION_NAME}_read_file (filename, import)
{
einfo ("%s:%d: warning: syntax error in import/export file\n",
filename, lineno);
-
+
}
}
}
@@ -1266,16 +1275,16 @@ cat >>e${EMULATION_NAME}.c <<EOF
if (link_info.relocateable == true && config.build_constructors == true)
return
EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
+echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
+echo ' ; else return' >> e${EMULATION_NAME}.c
+sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
+echo '; }' >> e${EMULATION_NAME}.c
else
# Scripts read from the filesystem.
@@ -1301,19 +1310,19 @@ fi
cat >>e${EMULATION_NAME}.c <<EOF
-static void
+static void
gld${EMULATION_NAME}_create_output_section_statements ()
{
/* __rtinit */
- if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour)
- && (link_info.init_function != NULL
+ if ((bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour)
+ && (link_info.init_function != NULL
|| link_info.fini_function != NULL
|| rtld == true))
{
initfini_file = lang_add_input_file ("initfini",
lang_input_file_is_file_enum,
NULL);
-
+
initfini_file->the_bfd = bfd_create ("initfini", output_bfd);
if (initfini_file->the_bfd == NULL
|| ! bfd_set_arch_mach (initfini_file->the_bfd,
@@ -1323,10 +1332,10 @@ gld${EMULATION_NAME}_create_output_section_statements ()
einfo ("%X%P: can not create BFD %E\n");
return;
}
-
+
/* Call backend to fill in the rest */
- if (false == bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
- link_info.init_function,
+ if (false == bfd_xcoff_link_generate_rtinit (initfini_file->the_bfd,
+ link_info.init_function,
link_info.fini_function,
rtld))
{
@@ -1335,7 +1344,7 @@ gld${EMULATION_NAME}_create_output_section_statements ()
}
/* __rtld defined in /lib/librtl.a */
- if (true == rtld)
+ if (true == rtld)
lang_add_input_file ("rtl", lang_input_file_is_l_enum, NULL);
}
}