* mips-tdep.c (mips32_decode_reg_save): Remove, unused.

(mips32_fetch_instruction): Remove, unused.
This commit is contained in:
Joel Brobecker 2004-10-01 00:43:21 +00:00
parent a9fe69d1f7
commit 2de118d36e
2 changed files with 5 additions and 47 deletions

View File

@ -1,3 +1,8 @@
2004-09-30 Joel Brobecker <brobecker@gnat.com>
* mips-tdep.c (mips32_decode_reg_save): Remove, unused.
(mips32_fetch_instruction): Remove, unused.
2004-09-30 Joel Brobecker <brobecker@gnat.com>
* mips-tdep.c (mips_insn16_frame_cache): Remove dead code or

View File

@ -945,39 +945,6 @@ after_prologue (CORE_ADDR pc)
return 0;
}
/* Decode a MIPS32 instruction that saves a register in the stack, and
set the appropriate bit in the general register mask or float register mask
to indicate which register is saved. This is a helper function
for mips_find_saved_regs. */
static void
mips32_decode_reg_save (t_inst inst, unsigned long *gen_mask,
unsigned long *float_mask)
{
int reg;
if ((inst & 0xffe00000) == 0xafa00000 /* sw reg,n($sp) */
|| (inst & 0xffe00000) == 0xafc00000 /* sw reg,n($r30) */
|| (inst & 0xffe00000) == 0xffa00000) /* sd reg,n($sp) */
{
/* It might be possible to use the instruction to
find the offset, rather than the code below which
is based on things being in a certain order in the
frame, but figuring out what the instruction's offset
is relative to might be a little tricky. */
reg = (inst & 0x001f0000) >> 16;
*gen_mask |= (1 << reg);
}
else if ((inst & 0xffe00000) == 0xe7a00000 /* swc1 freg,n($sp) */
|| (inst & 0xffe00000) == 0xe7c00000 /* swc1 freg,n($r30) */
|| (inst & 0xffe00000) == 0xf7a00000) /* sdc1 freg,n($sp) */
{
reg = ((inst & 0x001f0000) >> 16);
*float_mask |= (1 << reg);
}
}
/* Decode a MIPS16 instruction that saves a register in the stack, and
set the appropriate bit in the general register or float register mask
to indicate which register is saved. This is a helper function
@ -1040,20 +1007,6 @@ mips16_fetch_instruction (CORE_ADDR addr)
return extract_unsigned_integer (buf, instlen);
}
static ULONGEST
mips32_fetch_instruction (CORE_ADDR addr)
{
char buf[MIPS_INSTLEN];
int instlen;
int status;
instlen = MIPS_INSTLEN;
status = deprecated_read_memory_nobpt (addr, buf, instlen);
if (status)
memory_error (status, addr);
return extract_unsigned_integer (buf, instlen);
}
/* These the fields of 32 bit mips instructions */
#define mips32_op(x) (x >> 26)
#define itype_op(x) (x >> 26)