/* Target-dependent code for OpenBSD/amd64.
- Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
+ Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GDB.
0 * 8, /* %rdi */
12 * 8, /* %rbp */
15 * 8, /* %rsp */
- 4 * 8, /* %r8 .. */
+ 4 * 8, /* %r8 .. */
5 * 8,
6 * 8,
7 * 8,
0 * 8, /* %rdi */
12 * 8, /* %rbp */
24 * 8, /* %rsp */
- 4 * 8, /* %r8 ... */
+ 4 * 8, /* %r8 ... */
5 * 8,
6 * 8,
7 * 8,
13 * 8, /* %rdi */
15 * 8, /* %rbp */
-1, /* %rsp */
- 12 * 8, /* %r8 ... */
+ 12 * 8, /* %r8 ... */
11 * 8,
10 * 8,
9 * 8,
amd64obsd_supply_uthread (struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET;
CORE_ADDR sp = 0;
gdb_byte buf[8];
int offset;
/* Fetch stack pointer from thread structure. */
- sp = read_memory_unsigned_integer (sp_addr, 8);
+ sp = read_memory_unsigned_integer (sp_addr, 8, byte_order);
/* Adjust the stack pointer such that it looks as if we just
returned from _thread_machdep_switch. */
offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
- store_unsigned_integer (buf, 8, sp + offset);
+ store_unsigned_integer (buf, 8, byte_order, sp + offset);
regcache_raw_supply (regcache, AMD64_RSP_REGNUM, buf);
}
/* Fetch stack pointer from thread structure (if we didn't
do so already). */
if (sp == 0)
- sp = read_memory_unsigned_integer (sp_addr, 8);
+ sp = read_memory_unsigned_integer (sp_addr, 8, byte_order);
/* Read the saved register from the stack frame. */
read_memory (sp + amd64obsd_uthread_reg_offset[i], buf, 8);
amd64obsd_collect_uthread (const struct regcache *regcache,
int regnum, CORE_ADDR addr)
{
+ struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR sp_addr = addr + AMD64OBSD_UTHREAD_RSP_OFFSET;
CORE_ADDR sp = 0;
gdb_byte buf[8];
stored into the thread structure. */
offset = amd64obsd_uthread_reg_offset[AMD64_RIP_REGNUM] + 8;
regcache_raw_collect (regcache, AMD64_RSP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 8) - offset;
+ sp = extract_unsigned_integer (buf, 8, byte_order) - offset;
/* Store the stack pointer. */
- write_memory_unsigned_integer (sp_addr, 8, sp);
+ write_memory_unsigned_integer (sp_addr, 8, byte_order, sp);
/* The stack pointer was (potentially) modified. Make sure we
build a proper stack frame. */
/* Fetch stack pointer from thread structure (if we didn't
calculate it already). */
if (sp == 0)
- sp = read_memory_unsigned_integer (sp_addr, 8);
+ sp = read_memory_unsigned_integer (sp_addr, 8, byte_order);
/* Write the register into the stack frame. */
regcache_raw_collect (regcache, i, buf);
static struct trad_frame_cache *
amd64obsd_trapframe_cache (struct frame_info *this_frame, void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct trad_frame_cache *cache;
CORE_ADDR func, sp, addr;
ULONGEST cs;
/* Read %cs from trap frame. */
addr += amd64obsd_tf_reg_offset[AMD64_CS_REGNUM];
- cs = read_memory_unsigned_integer (addr, 8);
+ cs = read_memory_unsigned_integer (addr, 8, byte_order);
if ((cs & I386_SEL_RPL) == I386_SEL_UPL)
{
/* Trap from user space; terminate backtrace. */
- trad_frame_set_id (cache, null_frame_id);
+ trad_frame_set_id (cache, outer_frame_id);
}
else
{
frame, but SIGTRAMP_FRAME would print <signal handler called>,
which really is not what we want here. */
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
amd64obsd_trapframe_this_id,
amd64obsd_trapframe_prev_register,
NULL,