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| author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-09-13 21:44:27 +0000 |
|---|---|---|
| committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2011-09-13 21:44:27 +0000 |
| commit | d83e736b1168bed98e6e67b473d0fa26603c2780 (patch) | |
| tree | 610895bec6ec5b49229ff2b30061832b0de33043 /gdb/dwarf2read.c | |
| parent | 0935723e5e203625c49e97753a79902f919fbded (diff) | |
| download | gdb-d83e736b1168bed98e6e67b473d0fa26603c2780.zip gdb-d83e736b1168bed98e6e67b473d0fa26603c2780.tar.gz gdb-d83e736b1168bed98e6e67b473d0fa26603c2780.tar.bz2 | |
gdb/
Remove excessive DWARF expressions memory duplication.
* dwarf2loc.c (per_cu_dwarf_call): Remove variable back_to and its use
for block.data.
(indirect_pieced_value): Remove variable result. Remove variable
back_to and its use for baton.data.
(dwarf2_compile_expr_to_ax): Remove variable back_to and its use for
block.data.
* dwarf2read.c (dwarf2_fetch_die_location_block): Remove xmemdup.
Update the function comment.
Diffstat (limited to 'gdb/dwarf2read.c')
| -rw-r--r-- | gdb/dwarf2read.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 6b87d2a..fc6a4d5 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -13854,9 +13854,9 @@ follow_die_ref (struct die_info *src_die, struct attribute *attr, return die; } -/* Return DWARF block and its CU referenced by OFFSET at PER_CU. Returned - value is intended for DW_OP_call*. You must call xfree on returned - dwarf2_locexpr_baton->data. */ +/* Return DWARF block referenced by DW_AT_location of DIE at OFFSET at PER_CU. + Returned value is intended for DW_OP_call*. Returned + dwarf2_locexpr_baton->data has lifetime of PER_CU->OBJFILE. */ struct dwarf2_locexpr_baton dwarf2_fetch_die_location_block (unsigned int offset, @@ -13912,9 +13912,6 @@ dwarf2_fetch_die_location_block (unsigned int offset, } retval.per_cu = cu->per_cu; - if (retval.data) - retval.data = xmemdup (retval.data, retval.size, retval.size); - age_cached_comp_units (); return retval; |