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* Enable backtracing from inside a SOM shared library back into 

user code.
	* hppa-tdep.c (internalize_unwinds): Accept and use new
	"text_offset" argument for dynamic relocation of
	region_{start,end} fields in the unwind descriptor.
	(read_unwind_info): Pass text_offset to internalize unwinds.
This commit is contained in:
Jeff Law 1994-11-08 05:31:33 +00:00
parent 45329a2cbd
commit bfaef242b5
2 changed files with 18 additions and 4 deletions
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9
gdb/ChangeLog
View File

@ -1,3 +1,12 @@
Mon Nov 7 22:25:21 1994 Jeff Law (law@snake.cs.utah.edu)
* Enable backtracing from inside a SOM shared library back into
user code.
* hppa-tdep.c (internalize_unwinds): Accept and use new
"text_offset" argument for dynamic relocation of
region_{start,end} fields in the unwind descriptor.
(read_unwind_info): Pass text_offset to internalize unwinds.
Mon Nov 7 14:34:42 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
* m3-nat.c: Remove comments about arbitrary limit in

13
gdb/hppa-tdep.c
View File

@ -82,7 +82,7 @@ static void read_unwind_info PARAMS ((struct objfile *));
static void internalize_unwinds PARAMS ((struct objfile *,
struct unwind_table_entry *,
asection *, unsigned int,
unsigned int));
unsigned int, CORE_ADDR));
/* Routines to extract various sized constants out of hppa
@ -282,11 +282,12 @@ compare_unwind_entries (a, b)
}
static void
internalize_unwinds (objfile, table, section, entries, size)
internalize_unwinds (objfile, table, section, entries, size, text_offset)
struct objfile *objfile;
struct unwind_table_entry *table;
asection *section;
unsigned int entries, size;
CORE_ADDR text_offset;
{
/* We will read the unwind entries into temporary memory, then
fill in the actual unwind table. */
@ -304,8 +305,10 @@ internalize_unwinds (objfile, table, section, entries, size)
{
table[i].region_start = bfd_get_32 (objfile->obfd,
(bfd_byte *)buf);
table[i].region_start += text_offset;
buf += 4;
table[i].region_end = bfd_get_32 (objfile->obfd, (bfd_byte *)buf);
table[i].region_end += text_offset;
buf += 4;
tmp = bfd_get_32 (objfile->obfd, (bfd_byte *)buf);
buf += 4;
@ -355,8 +358,10 @@ read_unwind_info (objfile)
unsigned unwind_size, elf_unwind_size, stub_unwind_size, total_size;
unsigned index, unwind_entries, elf_unwind_entries;
unsigned stub_entries, total_entries;
CORE_ADDR text_offset;
struct obj_unwind_info *ui;
text_offset = ANOFFSET (objfile->section_offsets, 0);
ui = obstack_alloc (&objfile->psymbol_obstack,
sizeof (struct obj_unwind_info));
@ -415,10 +420,10 @@ read_unwind_info (objfile)
/* Internalize the standard unwind entries. */
index = 0;
internalize_unwinds (objfile, &ui->table[index], unwind_sec,
unwind_entries, unwind_size);
unwind_entries, unwind_size, text_offset);
index += unwind_entries;
internalize_unwinds (objfile, &ui->table[index], elf_unwind_sec,
elf_unwind_entries, elf_unwind_size);
elf_unwind_entries, elf_unwind_size, text_offset);
index += elf_unwind_entries;
/* Now internalize the stub unwind entries. */