darlinghq/darling-gdb
1
0
Fork 0
mirror of https://github.com/darlinghq/darling-gdb.git synced 2024-11-23 20:19:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add gdbarch auxv parsing for OpenBSD.

Browse Source 
gdb/Changelog:

        * obsd-tdep.c (obsd_auxv_parse): New function.
        (obsd_init_abi): Set auxv_parse.
This commit is contained in:
Mark Kettenis 2014-02-27 13:47:00 +01:00
parent 27a48a9223
commit bee30a640c
2 changed files with 32 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gdb/ChangeLog
View File

@ -1,4 +1,7 @@
2014-02-17 Mark Kettenis <kettenis@gnu.org>
2014-02-27 Mark Kettenis <kettenis@gnu.org>
* obsd-tdep.c (obsd_auxv_parse): New function.
(obsd_init_abi): Set auxv_parse.
* gdbarch.sh (auxv_parse): New.
* gdbarch.h: Regenerated.

28
gdb/obsd-tdep.c
View File

@ -289,6 +289,31 @@ obsd_gdb_signal_to_target (struct gdbarch *gdbarch,
return -1;
}
static int
obsd_auxv_parse (struct gdbarch *gdbarch, gdb_byte **readptr,
gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
{
struct type *int_type = builtin_type (gdbarch)->builtin_int;
struct type *ptr_type = builtin_type (gdbarch)->builtin_data_ptr;
const int sizeof_auxv_type = TYPE_LENGTH (int_type);
const int sizeof_auxv_val = TYPE_LENGTH (ptr_type);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
gdb_byte *ptr = *readptr;
if (endptr == ptr)
return 0;
if (endptr - ptr < 2 * sizeof_auxv_val)
return -1;
*typep = extract_unsigned_integer (ptr, sizeof_auxv_type, byte_order);
ptr += sizeof_auxv_val; /* Alignment. */
*valp = extract_unsigned_integer (ptr, sizeof_auxv_val, byte_order);
ptr += sizeof_auxv_val;
*readptr = ptr;
return 1;
}
void
obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
@ -297,4 +322,7 @@ obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
obsd_gdb_signal_from_target);
set_gdbarch_gdb_signal_to_target (gdbarch,
obsd_gdb_signal_to_target);
/* Unlike Linux, OpenBSD actually follows the ELF standard. */
set_gdbarch_auxv_parse (gdbarch, obsd_auxv_parse);
}