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* mips-tdep.c (mips16_scan_prologue): Remove redundant code.

This commit is contained in:
Joel Brobecker 2004-10-11 02:27:14 +00:00
parent 1e05a7bfcf
commit 25652d4f22
2 changed files with 4 additions and 30 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
2004-10-10 Joel Brobecker <brobecker@gnat.com>
* mips-tdep.c (mips16_scan_prologue): Remove redundant code.
2004-10-10 Joel Brobecker <brobecker@gnat.com>
* mips-tdep.c (mips16_scan_prologue): Renames

30
gdb/mips-tdep.c
View File

@ -2396,36 +2396,6 @@ mips16_scan_prologue (CORE_ADDR start_pc, CORE_ADDR limit_pc, CORE_ADDR sp,
this_cache->saved_regs[NUM_REGS + mips_regnum (current_gdbarch)->pc]
= this_cache->saved_regs[NUM_REGS + RA_REGNUM];
}
/* The MIPS16 entry instruction saves $s0 and $s1 in the reverse
order of that normally used by gcc. Therefore, we have to fetch
the first instruction of the function, and if it's an entry
instruction that saves $s0 or $s1, correct their saved addresses. */
/* FIXME: brobecker/2004-10-10: This code was moved here from
mips_insn16_frame_cache(), but can be merged with the block above
handling entry_inst. Will be done in a separate pass, to make changes
more atomic. Actually, this code seems completely redundant! */
{
ULONGEST inst = mips16_fetch_instruction (start_pc);
if ((inst & 0xf81f) == 0xe809 && (inst & 0x700) != 0x700) /* entry */
{
int reg;
int sreg_count = (inst >> 6) & 3;
CORE_ADDR reg_position = (this_cache->base);
/* Check if the ra register was pushed on the stack. */
if (inst & 0x20)
reg_position -= mips_abi_regsize (current_gdbarch);
/* Check if the s0 and s1 registers were pushed on the stack. */
/* NOTE: cagney/2004-02-08: Huh? This is doing no such check. */
for (reg = 16; reg < sreg_count + 16; reg++)
{
this_cache->saved_regs[NUM_REGS + reg].addr = reg_position;
reg_position -= mips_abi_regsize (current_gdbarch);
}
}
}
}
/* Mark all the registers as unset in the saved_regs array