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Implement new command line option for new ABI: -p which prevents the ARM code 

from exhibiting any knowledge of the length of the processor's pipeline.
This commit is contained in:
Nick Clifton 1999-05-29 10:57:44 +00:00
parent ab5e779453
commit 7ca69e9e10
3 changed files with 75 additions and 4 deletions
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13
ld/ChangeLog
View File

@ -1,3 +1,16 @@
1999-05-29 Nick Clifton <nickc@cygnus.com>
* emultempl/armelf.em (..._parse_args): New function: Parse
command line option. Accept arm-elf specific command line option
'-p' or '--no-pipeline-knowledge'.
(..._list_options): New function: Describe the new command line
option.
(..._before_allocation): Pass the value of the new variable
no_pipeline_knowledge to bfd_elf32_arm_process_before_allocation.
* emultemp/armelf_oabi.em (..._before_allocation): Pass zero as
the third parameter to bfd_elf32_arm_process_before_allocation.
1999-05-28 Nick Clifton <nickc@cygnus.com>
* lexsup.c (help): Minor formatting changes.

64
ld/emultempl/armelf.em
View File

@ -63,6 +63,62 @@ static void gld${EMULATION_NAME}_place_section
static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
static void gld${EMULATION_NAME}_before_allocation PARAMS ((void));
static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
static int gld${EMULATION_NAME}_parse_args PARAMS((int, char **));
static void gld${EMULATION_NAME}_list_options PARAMS ((FILE *));
static int no_pipeline_knowledge = 0;
static struct option longopts[] =
{
{ "no-pipeline-knowledge", no_argument, NULL, 'p'},
{ NULL, no_argument, NULL, 0 }
};
static void
gld${EMULATION_NAME}_list_options (file)
FILE * file;
{
fprintf (file, _(" -p --no-pipeline-knowledge Stop the linker knowing about the pipeline length\n"));
}
static int
gld${EMULATION_NAME}_parse_args (argc, argv)
int argc;
char ** argv;
{
int longind;
int optc;
int prevoptind = optind;
int prevopterr = opterr;
int wanterror;
static int lastoptind = -1;
if (lastoptind != optind)
opterr = 0;
wanterror = opterr;
lastoptind = optind;
optc = getopt_long_only (argc, argv, "-p", longopts, & longind);
opterr = prevopterr;
switch (optc)
{
default:
if (wanterror)
xexit (1);
optind = prevoptind;
return 0;
case 'p':
no_pipeline_knowledge = 1;
break;
}
return 1;
}
static void
gld${EMULATION_NAME}_before_parse ()
@ -1061,7 +1117,8 @@ gld${EMULATION_NAME}_before_allocation ()
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info))
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, & link_info,
no_pipeline_knowledge))
{
/* xgettext:c-format */
einfo (_("Errors encountered processing file %s"), is->filename);
@ -1146,8 +1203,9 @@ struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
gld${EMULATION_NAME}_open_dynamic_archive,
gld${EMULATION_NAME}_place_orphan,
NULL, /* set_symbols */
NULL,
gld${EMULATION_NAME}_parse_args,
NULL, /* unrecognised file */
NULL
gld${EMULATION_NAME}_list_options,
NULL /* recognized file */
};
EOF

2
ld/emultempl/armelf_oabi.em
View File

@ -71,7 +71,7 @@ gld${EMULATION_NAME}_before_allocation ()
{
LANG_FOR_EACH_INPUT_STATEMENT (is)
{
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info))
if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, &link_info, 0))
{
/* xgettext:c-format */
einfo (_("Errors encountered processing file %s"), is->filename);