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Added checking of instructions against target cpu.

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This commit is contained in:
Nick Clifton
1997-09-16 01:34:03 +00:00
parent 9bbbb61220
commit d30a2be45d
3 changed files with 55 additions and 2 deletions
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15
gas/ChangeLog
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@ -1,3 +1,18 @@
Mon Sep 15 18:33:06 1997 Nick Clifton <nickc@cygnus.com>
* config/tc-v850.c (processor_mask): New variable.
(set_machine, md_parse_option): Set processor_mask.
(md_assemble): Check that instruction is available to target
processor.
* config/tc-v850.h (TARGET_PROCESSOR): New constant.
start-sanitize-v850e
(TARGET_PROCESSOR): New constant.
end-sanitize-v850e
start-sanitize-v850eq
(TARGET_PROCESSOR): New constant.
end-sanitize-v850eq
start-sanitize-tx19 start-sanitize-tx19
Mon Sep 15 17:26:46 1997 Gavin Koch <gavin@cygnus.com> Mon Sep 15 17:26:46 1997 Gavin Koch <gavin@cygnus.com>

28
gas/config/tc-v850.c
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@ -34,9 +34,12 @@ static bfd_reloc_code_real_type hold_cons_reloc;
static boolean warn_signed_overflows = FALSE; static boolean warn_signed_overflows = FALSE;
static boolean warn_unsigned_overflows = FALSE; static boolean warn_unsigned_overflows = FALSE;
/* Indicates the target processor type. */ /* Indicates the target BFD machine number. */
static int machine = TARGET_MACHINE; static int machine = TARGET_MACHINE;
/* Indicates the target processor(s) for the assemble. */
static unsigned int processor_mask = TARGET_PROCESSOR;
/* Structure to hold information about predefined registers. */ /* Structure to hold information about predefined registers. */
struct reg_name struct reg_name
@ -211,6 +214,17 @@ set_machine (int number)
{ {
machine = number; machine = number;
bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine); bfd_set_arch_mach (stdoutput, TARGET_ARCH, machine);
switch (machine)
{
case 0: processor_mask = PROCESSOR_V850; break;
/* start-sanitize-v850e */
case bfd_mach_v850e: processor_mask = PROCESSOR_V850E; break;
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
case bfd_mach_v850eq: processor_mask = PROCESSOR_V850EQ; break;
/* end-sanitize-v850eq */
}
} }
/* The target specific pseudo-ops which we support. */ /* The target specific pseudo-ops which we support. */
@ -821,6 +835,8 @@ md_parse_option (c, arg)
else if (strcmp (arg, "v850e") == 0) else if (strcmp (arg, "v850e") == 0)
{ {
machine = bfd_mach_v850e; machine = bfd_mach_v850e;
processor_mask = PROCESSOR_V850 | PROCESSOR_V850E;
return 1; return 1;
} }
/* end-sanitize-v850e */ /* end-sanitize-v850e */
@ -828,6 +844,7 @@ md_parse_option (c, arg)
else if (strcmp (arg, "v850eq") == 0) else if (strcmp (arg, "v850eq") == 0)
{ {
machine = bfd_mach_v850eq; machine = bfd_mach_v850eq;
processor_mask = PROCESSOR_V850EQ;
return 1; return 1;
} }
/* end-sanitize-v850eq */ /* end-sanitize-v850eq */
@ -1133,9 +1150,16 @@ md_assemble (str)
{ {
const char * errmsg = NULL; const char * errmsg = NULL;
match = 0;
if ((opcode->processors & processor_mask) == 0)
{
errmsg = "Target processor doe snot support this instruction.";
goto error;
}
relaxable = 0; relaxable = 0;
fc = 0; fc = 0;
match = 0;
next_opindex = 0; next_opindex = 0;
insn = opcode->opcode; insn = opcode->opcode;
extra_data_after_insn = false; extra_data_after_insn = false;

14
gas/config/tc-v850.h
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@ -29,8 +29,10 @@
/* The target BFD architecture. */ /* The target BFD architecture. */
#define TARGET_ARCH bfd_arch_v850 #define TARGET_ARCH bfd_arch_v850
/* The target BFD format. */
#define TARGET_FORMAT "elf32-v850" #define TARGET_FORMAT "elf32-v850"
/* The target BFD machine number. */
#define TARGET_MACHINE 0 #define TARGET_MACHINE 0
/* start-sanitize-v850e */ /* start-sanitize-v850e */
#undef TARGET_MACHINE #undef TARGET_MACHINE
@ -41,6 +43,18 @@
#define TARGET_MACHINE bfd_mach_v850eq #define TARGET_MACHINE bfd_mach_v850eq
/* end-sanitize-v850eq */ /* end-sanitize-v850eq */
/* The target processor mask. */
#define TARGET_PROCESSOR PROCESSOR_V850
/* start-sanitize-v850e */
#undef TARGET_PROCESSOR
#define TARGET_PROCESSOR PROCESSOR_V850E
/* end-sanitize-v850e */
/* start-sanitize-v850eq */
#undef TARGET_PROCESSOR
#define TARGET_PROCESSOR PROCESSOR_V850EQ
/* end-sanitize-v850eq */
#define MD_APPLY_FIX3 #define MD_APPLY_FIX3
#define md_operand(x) #define md_operand(x)