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2009-11-10 Tristan Gingold <gingold@adacore.com>

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* avr-tdep.c (avr_skip_prologue): First try to skip prologue
	using skip_prologue_using_sal.
This commit is contained in:
Tristan Gingold 2009-11-10 10:35:57 +00:00
parent 1bd0bb725f
commit 8c201e543a
2 changed files with 27 additions and 23 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2009-11-10 Tristan Gingold <gingold@adacore.com>
* avr-tdep.c (avr_skip_prologue): First try to skip prologue
using skip_prologue_using_sal.
2009-11-10 Tristan Gingold <gingold@adacore.com>
* avr-tdep.c (avr_extract_return_value): Remove.

45
gdb/avr-tdep.c
View File

@ -789,40 +789,39 @@ static CORE_ADDR
avr_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
CORE_ADDR prologue_end = pc;
CORE_ADDR post_prologue_pc;
/* See what the symbol table says */
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
struct symtab_and_line sal;
struct avr_unwind_cache info = {0};
struct trad_frame_saved_reg saved_regs[AVR_NUM_REGS];
if (!find_pc_partial_function (pc, NULL, &func_addr, &func_end))
return pc;
info.saved_regs = saved_regs;
post_prologue_pc = skip_prologue_using_sal (gdbarch, func_addr);
if (post_prologue_pc != 0)
return max (pc, post_prologue_pc);
/* Need to run the prologue scanner to figure out if the function has a
prologue and possibly skip over moving arguments passed via registers
to other registers. */
{
CORE_ADDR prologue_end = pc;
struct avr_unwind_cache info = {0};
struct trad_frame_saved_reg saved_regs[AVR_NUM_REGS];
prologue_end = avr_scan_prologue (gdbarch, func_addr, func_end, &info);
if (info.prologue_type == AVR_PROLOGUE_NONE)
return pc;
else
{
sal = find_pc_line (func_addr, 0);
if (sal.line != 0 && sal.end < func_end)
return sal.end;
}
}
info.saved_regs = saved_regs;
/* Need to run the prologue scanner to figure out if the function has a
prologue and possibly skip over moving arguments passed via registers
to other registers. */
prologue_end = avr_scan_prologue (gdbarch, func_addr, func_end, &info);
if (info.prologue_type != AVR_PROLOGUE_NONE)
return prologue_end;
}
/* Either we didn't find the start of this function (nothing we can do),
or there's no line info, or the line after the prologue is after
the end of the function (there probably isn't a prologue). */
return prologue_end;
return pc;
}
/* Not all avr devices support the BREAK insn. Those that don't should treat