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* dwarf2-frame.c (dwarf2_frame_cache): Handle retaddr_column

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not overlapping PC_REGNUM.
This commit is contained in:
Richard Henderson
2003-06-01 16:04:50 +00:00
parent c88e30c0a0
commit f3e0f90b5d
2 changed files with 19 additions and 2 deletions
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16
gdb/dwarf2-frame.c
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@@ -550,9 +550,21 @@ dwarf2_frame_cache (struct frame_info *next_frame, void **this_cache)
cache->reg[regnum] = fs->regs.reg[reg];
}
/* Stored the location of the return addess. */
if (fs->retaddr_column < fs->regs.num_regs)
/* Store the location of the return addess. If the return address
column (adjusted) is not the same as gdb's PC_REGNUM, then this
implies a copy from the ra column register. */
if (fs->retaddr_column < fs->regs.num_regs
&& fs->regs.reg[fs->retaddr_column].how != REG_UNSAVED)
cache->reg[PC_REGNUM] = fs->regs.reg[fs->retaddr_column];
else
{
reg = DWARF2_REG_TO_REGNUM (fs->retaddr_column);
if (reg != PC_REGNUM)
{
cache->reg[PC_REGNUM].loc.reg = reg;
cache->reg[PC_REGNUM].how = REG_SAVED_REG;
}
}
do_cleanups (old_chain);