Set BFD private flags based on command line switches.

This commit is contained in:
Nick Clifton 1998-08-05 22:55:12 +00:00
parent 455adeb6be
commit 41129369a6
2 changed files with 39 additions and 27 deletions

View File

@ -1,3 +1,8 @@
Wed Aug 5 15:54:14 1998 Nick Clifton <nickc@cygnus.com>
* config/tc-arm.c (md_begin): Set BFD private flags depending upon
command line switches passed to assembler.
Mon Aug 3 14:02:52 1998 Doug Evans <devans@seba.cygnus.com>
* cgen.h (GAS_CGEN_MAX_FIXUPS): GAS_ prepended, all uses updated.

View File

@ -32,6 +32,10 @@
#include "symbols.h"
#include "listing.h"
#ifdef OBJ_ELF
#include "elf/arm.h"
#endif
/* ??? This is currently unused. */
#ifdef __STDC__
#define internalError() \
@ -87,8 +91,8 @@
static unsigned long cpu_variant = CPU_DEFAULT | FPU_DEFAULT;
#ifdef OBJ_COFF
/* Flags stored in private area of BFD COFF structure */
#if defined OBJ_COFF || defined OBJ_ELF
/* Flags stored in private area of BFD structure */
static boolean uses_apcs_26 = false;
static boolean support_interwork = false;
static boolean uses_apcs_float = false;
@ -1130,7 +1134,7 @@ s_ltorg (internal)
symbol_table_insert (current_poolP);
ARM_SET_THUMB (current_poolP, thumb_mode);
#ifdef OBJ_COFF
#if defined OBJ_COFF || defined OBJ_ELF
ARM_SET_INTERWORK (current_poolP, support_interwork);
#endif
@ -4790,7 +4794,7 @@ md_begin ()
set_constant_flonums ();
#ifdef OBJ_COFF
#if defined OBJ_COFF || defined OBJ_ELF
{
unsigned int flags = 0;
@ -4799,7 +4803,7 @@ md_begin ()
if (support_interwork) flags |= F_INTERWORK;
if (uses_apcs_float) flags |= F_APCS_FLOAT;
if (pic_code) flags |= F_PIC;
bfd_set_private_flags (stdoutput, flags);
}
#endif
@ -6000,7 +6004,7 @@ md_parse_option (c, arg)
else if (! strcmp (str, "thumb-interwork"))
{
cpu_variant = (cpu_variant & ~ARM_ANY) | ARM_THUMB | ARM_ARCHv4;
#ifdef OBJ_COFF
#if defined OBJ_COFF || defined OBJ_ELF
support_interwork = true;
#endif
}
@ -6014,7 +6018,7 @@ md_parse_option (c, arg)
cpu_variant = ARM_ALL | FPU_ALL;
return 1;
}
#ifdef OBJ_COFF
#if defined OBJ_COFF || defined OBJ_ELF
if (! strncmp (str, "apcs-", 5))
{
/* GCC passes on all command line options starting "-mapcs-..."
@ -6214,26 +6218,31 @@ md_show_usage (fp)
FILE *fp;
{
fprintf (fp,
_("-m[arm][<processor name>] select processor variant\n\
-m[arm]v[2|2a|3|3m|4|4t] select architecture variant\n\
-mthumb\t\t\tonly allow Thumb instructions\n\
-mthumb-interwork\tmark the assembled code as supporting interworking\n\
-mall\t\t\tallow any instruction\n\
-mfpa10, -mfpa11\tselect floating point architecture\n\
-mfpe-old\t\tdon't allow floating-point multiple instructions\n\
-mno-fpu\t\tdon't allow any floating-point instructions.\n"));
#ifdef OBJ_COFF
_("\
-m[arm][<processor name>] select processor variant\n\
-m[arm]v[2|2a|3|3m|4|4t] select architecture variant\n\
-mthumb only allow Thumb instructions\n\
-mthumb-interwork mark the assembled code as supporting interworking\n\
-mall allow any instruction\n\
-mfpa10, -mfpa11 select floating point architecture\n\
-mfpe-old don't allow floating-point multiple instructions\n\
-mno-fpu don't allow any floating-point instructions.\n"));
#if defined OBJ_COFF || defined OBJ_ELF
fprintf (fp,
_("-mapcs-32, -mapcs-26\tspecify which ARM Procedure Calling Standard is in use\n"));
_("\
-mapcs-32, -mapcs-26 specify which ARM Procedure Calling Standard is in use\n"));
fprintf (fp,
_("-mapcs-float\t\tfloating point args are passed in floating point regs\n"));
_("\
-mapcs-float floating point args are passed in floating point regs\n"));
fprintf (fp,
_("-mapcs-reentrant\tposition independent/reentrant code has been generated\n"));
_("\
-mapcs-reentrant position independent/reentrant code has been generated\n"));
#endif
#ifdef ARM_BI_ENDIAN
fprintf (fp,
_("-EB\t\t\tassemble code for a big endian cpu\n\
-EL\t\t\tassemble code for a little endian cpu\n"));
_("\
-EB assemble code for a big endian cpu\n\
-EL assemble code for a little endian cpu\n"));
#endif
}
@ -6305,7 +6314,7 @@ arm_frob_label (sym)
{
last_label_seen = sym;
ARM_SET_THUMB (sym, thumb_mode);
#ifdef OBJ_COFF
#if defined OBJ_COFF || defined OBJ_ELF
ARM_SET_INTERWORK (sym, support_interwork);
#endif
@ -6328,8 +6337,8 @@ arm_frob_label (sym)
void
arm_adjust_symtab ()
{
#ifdef OBJ_COFF
symbolS *sym;
#if defined OBJ_COFF
symbolS * sym;
for (sym = symbol_rootP; sym != NULL; sym = symbol_next (sym))
{
@ -6363,9 +6372,7 @@ arm_adjust_symtab ()
}
if (ARM_IS_INTERWORK (sym))
{
coffsymbol(sym->bsym)->native->u.syment.n_flags = 0xFF;
}
coffsymbol(sym->bsym)->native->u.syment.n_flags = 0xFF;
}
#endif
}