/* Target-dependent code for OpenBSD/powerpc.
- Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 2004-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "symtab.h"
#include "trad-frame.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "ppc-tdep.h"
#include "ppcobsd-tdep.h"
#include "solib-svr4.h"
}
/* Collect register REGNUM in the general-purpose register set
- REGSET. from register cache REGCACHE into the buffer specified by
+ REGSET, from register cache REGCACHE into the buffer specified by
GREGS and LEN. If REGNUM is -1, do this for all registers in
REGSET. */
/* OpenBSD/powerpc register set. */
-struct regset ppcobsd_gregset =
+const struct regset ppcobsd_gregset =
{
&ppcobsd_reg_offsets,
ppcobsd_supply_gregset
};
-struct regset ppcobsd_fpregset =
+const struct regset ppcobsd_fpregset =
{
&ppcobsd_fpreg_offsets,
ppc_supply_fpregset
};
-/* Return the appropriate register set for the core section identified
- by SECT_NAME and SECT_SIZE. */
+/* Iterate over core file register note sections. */
-static const struct regset *
-ppcobsd_regset_from_core_section (struct gdbarch *gdbarch,
- const char *sect_name, size_t sect_size)
+static void
+ppcobsd_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
{
- if (strcmp (sect_name, ".reg") == 0 && sect_size >= 412)
- return &ppcobsd_gregset;
-
- return NULL;
+ cb (".reg", 412, &ppcobsd_gregset, NULL, cb_data);
}
\f
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);
CORE_ADDR pc = get_frame_pc (this_frame);
CORE_ADDR start_pc = (pc & ~(ppcobsd_page_size - 1));
const int *offset;
- char *name;
+ const char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
if (name)
continue;
/* Check for "li r0,SYS_sigreturn". */
- insn = extract_unsigned_integer (buf, PPC_INSN_SIZE);
+ insn = extract_unsigned_integer (buf, PPC_INSN_SIZE, byte_order);
if (insn != 0x38000067)
continue;
/* Check for "sc". */
- insn = extract_unsigned_integer (buf + PPC_INSN_SIZE, PPC_INSN_SIZE);
+ insn = extract_unsigned_integer (buf + PPC_INSN_SIZE,
+ PPC_INSN_SIZE, byte_order);
if (insn != 0x44000002)
continue;
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
struct trad_frame_cache *cache;
CORE_ADDR addr, base, func;
gdb_byte buf[PPC_INSN_SIZE];
int i;
if (*this_cache)
- return *this_cache;
+ return (struct trad_frame_cache *) *this_cache;
cache = trad_frame_cache_zalloc (this_frame);
*this_cache = cache;
/* Calculate the offset where we can find `struct sigcontext'. We
base our calculation on the amount of stack space reserved by the
first instruction of the signal trampoline. */
- insn = extract_unsigned_integer (buf, PPC_INSN_SIZE);
+ insn = extract_unsigned_integer (buf, PPC_INSN_SIZE, byte_order);
sigcontext_offset = (0x10000 - (insn & 0x0000ffff)) + 8;
base = get_frame_register_unsigned (this_frame, gdbarch_sp_regnum (gdbarch));
trad_frame_set_reg_addr (cache, tdep->ppc_ctr_regnum, addr);
addr += tdep->wordsize;
trad_frame_set_reg_addr (cache, gdbarch_pc_regnum (gdbarch), addr);
- /* SRR0? */
+ /* SRR0? */
addr += tdep->wordsize;
/* Construct the frame ID using the function start. */
static const struct frame_unwind ppcobsd_sigtramp_frame_unwind = {
SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
ppcobsd_sigtramp_frame_this_id,
ppcobsd_sigtramp_frame_prev_register,
NULL,
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
- set_gdbarch_regset_from_core_section
- (gdbarch, ppcobsd_regset_from_core_section);
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, ppcobsd_iterate_over_regset_sections);
frame_unwind_append_unwinder (gdbarch, &ppcobsd_sigtramp_frame_unwind);
}