diff options
| author | Mark Wielaard <mjw@redhat.com> | 2012-04-27 18:55:19 +0000 |
|---|---|---|
| committer | Mark Wielaard <mjw@redhat.com> | 2012-04-27 18:55:19 +0000 |
| commit | 91da14142c0171e58a91ad58a32fd010b700e761 (patch) | |
| tree | df9c7d6cb1be79c3596d63d0505aa384b2d45d37 /gdb | |
| parent | 4ab9d8ec07c3a983ca5e32d17245ed713d6fe5f1 (diff) | |
| download | gdb-91da14142c0171e58a91ad58a32fd010b700e761.zip gdb-91da14142c0171e58a91ad58a32fd010b700e761.tar.gz gdb-91da14142c0171e58a91ad58a32fd010b700e761.tar.bz2 | |
* dwarf2read.c (dwarf2_get_pc_bounds): Check DW_AT_high_pc form to
see whether it is an address or a constant offset from DW_AT_low_pc.
(dwarf2_record_block_ranges): Likewise.
(read_partial_die): Likewise.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/dwarf2read.c | 38 |
2 files changed, 36 insertions, 9 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index a4dfd85..e6b04dd 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,10 @@ +2012-04-27 Mark Wielaard <mjw@redhat.com> + + * dwarf2read.c (dwarf2_get_pc_bounds): Check DW_AT_high_pc form to + see whether it is an address or a constant offset from DW_AT_low_pc. + (dwarf2_record_block_ranges): Likewise. + (read_partial_die): Likewise. + 2012-04-26 Mark Wielaard <mjw@redhat.com> * MAINTAINERS (Write After Approval): Add myself to the list. diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 99bba9f..7ae3b86 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -6706,17 +6706,23 @@ dwarf2_get_pc_bounds (struct die_info *die, CORE_ADDR *lowpc, struct partial_symtab *pst) { struct attribute *attr; + struct attribute *attr_high; CORE_ADDR low = 0; CORE_ADDR high = 0; int ret = 0; - attr = dwarf2_attr (die, DW_AT_high_pc, cu); - if (attr) + attr_high = dwarf2_attr (die, DW_AT_high_pc, cu); + if (attr_high) { - high = DW_ADDR (attr); attr = dwarf2_attr (die, DW_AT_low_pc, cu); if (attr) - low = DW_ADDR (attr); + { + low = DW_ADDR (attr); + if (attr_high->form == DW_FORM_addr) + high = DW_ADDR (attr_high); + else + high = low + DW_UNSND (attr_high); + } else /* Found high w/o low attribute. */ return 0; @@ -6864,16 +6870,20 @@ dwarf2_record_block_ranges (struct die_info *die, struct block *block, { struct objfile *objfile = cu->objfile; struct attribute *attr; + struct attribute *attr_high; - attr = dwarf2_attr (die, DW_AT_high_pc, cu); - if (attr) + attr_high = dwarf2_attr (die, DW_AT_high_pc, cu); + if (attr_high) { - CORE_ADDR high = DW_ADDR (attr); - attr = dwarf2_attr (die, DW_AT_low_pc, cu); if (attr) { CORE_ADDR low = DW_ADDR (attr); + CORE_ADDR high; + if (attr_high->form == DW_FORM_addr) + high = DW_ADDR (attr_high); + else + high = low + DW_UNSND (attr_high); record_block_range (block, baseaddr + low, baseaddr + high - 1); } @@ -9925,6 +9935,7 @@ read_partial_die (struct partial_die_info *part_die, struct attribute attr; int has_low_pc_attr = 0; int has_high_pc_attr = 0; + int high_pc_relative = 0; memset (part_die, 0, sizeof (struct partial_die_info)); @@ -9981,7 +9992,13 @@ read_partial_die (struct partial_die_info *part_die, break; case DW_AT_high_pc: has_high_pc_attr = 1; - part_die->highpc = DW_ADDR (&attr); + if (attr.form == DW_FORM_addr) + part_die->highpc = DW_ADDR (&attr); + else + { + high_pc_relative = 1; + part_die->highpc = DW_UNSND (&attr); + } break; case DW_AT_location: /* Support the .debug_loc offsets. */ @@ -10061,6 +10078,9 @@ read_partial_die (struct partial_die_info *part_die, } } + if (high_pc_relative) + part_die->highpc += part_die->lowpc; + if (has_low_pc_attr && has_high_pc_attr) { /* When using the GNU linker, .gnu.linkonce. sections are used to |