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Correctly save and recall the CFA saved register state. 

PR binutils/16252
	* dwarf.c (display_debug_frames): Remember the state of the
	cfa_offset, cfa_reg, ra and cfa_exp field
This commit is contained in:
Romain Chastenet 2014-06-09 15:06:58 +01:00 committed by Nick Clifton
parent 203e84589f
commit d71ad7fcb8
2 changed files with 20 additions and 6 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2014-06-09 Romain Chastenet <romain.chastenet@free.fr>
PR binutils/16252
* dwarf.c (display_debug_frames): Remember the state of the
cfa_offset, cfa_reg, ra and cfa_exp field
2014-06-05 Joel Brobecker <brobecker@adacore.com>
* Makefile.am (CONFIG_STATUS_DEPENDENCIES): Add dependency on

20
binutils/dwarf.c
View File

@ -5829,12 +5829,16 @@ display_debug_frames (struct dwarf_section *section,
if (! do_debug_frames_interp)
printf (" DW_CFA_remember_state\n");
rs = (Frame_Chunk *) xmalloc (sizeof (Frame_Chunk));
rs->cfa_offset = fc->cfa_offset;
rs->cfa_reg = fc->cfa_reg;
rs->ra = fc->ra;
rs->cfa_exp = fc->cfa_exp;
rs->ncols = fc->ncols;
rs->col_type = (short int *) xcmalloc (rs->ncols,
sizeof (short int));
rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (int));
memcpy (rs->col_type, fc->col_type, rs->ncols);
memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (int));
sizeof (* rs->col_type));
rs->col_offset = (int *) xcmalloc (rs->ncols, sizeof (* rs->col_offset));
memcpy (rs->col_type, fc->col_type, rs->ncols * sizeof (* fc->col_type));
memcpy (rs->col_offset, fc->col_offset, rs->ncols * sizeof (* fc->col_offset));
rs->next = remembered_state;
remembered_state = rs;
break;
@ -5846,10 +5850,14 @@ display_debug_frames (struct dwarf_section *section,
if (rs)
{
remembered_state = rs->next;
fc->cfa_offset = rs->cfa_offset;
fc->cfa_reg = rs->cfa_reg;
fc->ra = rs->ra;
fc->cfa_exp = rs->cfa_exp;
frame_need_space (fc, rs->ncols - 1);
memcpy (fc->col_type, rs->col_type, rs->ncols);
memcpy (fc->col_type, rs->col_type, rs->ncols * sizeof (* rs->col_type));
memcpy (fc->col_offset, rs->col_offset,
rs->ncols * sizeof (int));
rs->ncols * sizeof (* rs->col_offset));
free (rs->col_type);
free (rs->col_offset);
free (rs);