/* Target-dependent code for GNU/Linux running on the Fujitsu FR-V,
for GDB.
- Copyright (C) 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2004-2013 Free Software Foundation, Inc.
This file is part of GDB.
#include "trad-frame.h"
#include "frame-unwind.h"
#include "regset.h"
-#include "gdb_string.h"
+#include <string.h>
+#include "linux-tdep.h"
/* Define the size (in bytes) of an FR-V instruction. */
static const int frv_instr_size = 4;
};
static int
-frv_linux_pc_in_sigtramp (CORE_ADDR pc, char *name)
+frv_linux_pc_in_sigtramp (struct gdbarch *gdbarch, CORE_ADDR pc,
+ const char *name)
{
- char buf[frv_instr_size];
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ gdb_byte buf[frv_instr_size];
LONGEST instr;
int retval = 0;
if (target_read_memory (pc, buf, sizeof buf) != 0)
return 0;
- instr = extract_unsigned_integer (buf, sizeof buf);
+ instr = extract_unsigned_integer (buf, sizeof buf, byte_order);
if (instr == 0x8efc0077) /* setlos #__NR_sigreturn, gr7 */
retval = NORMAL_SIGTRAMP;
- else if (instr -= 0x8efc00ad) /* setlos #__NR_rt_sigreturn, gr7 */
+ else if (instr == 0x8efc00ad) /* setlos #__NR_rt_sigreturn, gr7 */
retval = RT_SIGTRAMP;
else
return 0;
if (target_read_memory (pc + frv_instr_size, buf, sizeof buf) != 0)
return 0;
- instr = extract_unsigned_integer (buf, sizeof buf);
+ instr = extract_unsigned_integer (buf, sizeof buf, byte_order);
if (instr != 0xc0700000) /* tira gr0, 0 */
return 0;
frv_linux_sigcontext_reg_addr (struct frame_info *this_frame, int regno,
CORE_ADDR *sc_addr_cache_ptr)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR sc_addr;
if (sc_addr_cache_ptr && *sc_addr_cache_ptr)
else
{
CORE_ADDR pc, sp;
- char buf[4];
+ gdb_byte buf[4];
int tramp_type;
pc = get_frame_pc (this_frame);
- tramp_type = frv_linux_pc_in_sigtramp (pc, 0);
+ tramp_type = frv_linux_pc_in_sigtramp (gdbarch, pc, 0);
get_frame_register (this_frame, sp_regnum, buf);
- sp = extract_unsigned_integer (buf, sizeof buf);
+ sp = extract_unsigned_integer (buf, sizeof buf, byte_order);
if (tramp_type == NORMAL_SIGTRAMP)
{
uc_mcontext within struct ucontext is derived as follows:
stack_t is a 12-byte struct and struct sigcontext is
8-byte aligned. This gives an offset of 8 + 12 + 4 (for
- padding) = 24.) */
+ padding) = 24.) */
if (target_read_memory (sp + 12, buf, sizeof buf) != 0)
{
warning (_("Can't read realtime sigtramp frame."));
return 0;
}
- sc_addr = extract_unsigned_integer (buf, sizeof buf);
+ sc_addr = extract_unsigned_integer (buf, sizeof buf, byte_order);
sc_addr += 24;
}
else
sc_addr + 32 is syscallno, the syscall number or -1.
sc_addr + 36 is orig_gr8, the original syscall arg #1.
sc_addr + 40 is gner[0].
- sc_addr + 44 is gner[1]. */
+ sc_addr + 44 is gner[1]. */
case iacc0h_regnum :
return sc_addr + 48;
case iacc0l_regnum :
else if (first_fpr_regnum <= regno && regno <= last_fpr_regnum)
return sc_addr + 312 + 4 * (regno - first_fpr_regnum);
else
- return -1; /* not saved. */
+ return -1; /* not saved. */
}
}
/* Signal trampolines. */
static struct trad_frame_cache *
-frv_linux_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
+frv_linux_sigtramp_frame_cache (struct frame_info *this_frame,
+ void **this_cache)
{
+ 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;
- struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame));
CORE_ADDR addr;
- char buf[4];
+ gdb_byte buf[4];
int regnum;
CORE_ADDR sc_addr_cache_val = 0;
struct frame_id this_id;
signal trampoline and not the current PC within that
trampoline. */
get_frame_register (this_frame, sp_regnum, buf);
- this_id = frame_id_build (extract_unsigned_integer (buf, sizeof buf),
- get_frame_pc (this_frame));
+ addr = extract_unsigned_integer (buf, sizeof buf, byte_order);
+ this_id = frame_id_build (addr, get_frame_pc (this_frame));
trad_frame_set_id (cache, this_id);
for (regnum = 0; regnum < frv_num_regs; regnum++)
}
static void
-frv_linux_sigtramp_frame_this_id (struct frame_info *this_frame, void **this_cache,
- struct frame_id *this_id)
+frv_linux_sigtramp_frame_this_id (struct frame_info *this_frame,
+ void **this_cache,
+ struct frame_id *this_id)
{
- struct trad_frame_cache *cache =
- frv_linux_sigtramp_frame_cache (this_frame, this_cache);
+ struct trad_frame_cache *cache
+ = frv_linux_sigtramp_frame_cache (this_frame, this_cache);
trad_frame_get_id (cache, this_id);
}
void **this_cache, int regnum)
{
/* Make sure we've initialized the cache. */
- struct trad_frame_cache *cache =
- frv_linux_sigtramp_frame_cache (this_frame, this_cache);
+ struct trad_frame_cache *cache
+ = frv_linux_sigtramp_frame_cache (this_frame, this_cache);
return trad_frame_get_register (cache, this_frame, regnum);
}
struct frame_info *this_frame,
void **this_cache)
{
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
CORE_ADDR pc = get_frame_pc (this_frame);
- char *name;
+ const char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
- if (frv_linux_pc_in_sigtramp (pc, name))
+ if (frv_linux_pc_in_sigtramp (gdbarch, pc, name))
return 1;
return 0;
static const struct frame_unwind frv_linux_sigtramp_frame_unwind =
{
SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
frv_linux_sigtramp_frame_this_id,
frv_linux_sigtramp_frame_prev_register,
NULL,
#define FRV_PT_IACC0L 13
/* Note: Only 32 of the GRs will be found in the corefile. */
-#define FRV_PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63. */
+#define FRV_PT_GR(j) ( 14 + (j)) /* GRj for 0<=j<=63. */
#define FRV_PT_TBR FRV_PT_GR(0) /* gr0 is always 0, so TBR is stuffed
there. */
regcache_raw_supply (regcache, regi, zerobuf);
else
regcache_raw_supply (regcache, regi,
- gregsetp->reg[FRV_PT_GR (regi - first_gpr_regnum)]);
+ gregsetp->reg[FRV_PT_GR (regi
+ - first_gpr_regnum)]);
}
regcache_raw_supply (regcache, pc_regnum, gregsetp->reg[FRV_PT_PC]);
const frv_elf_fpregset_t *fpregsetp = gregs;
for (regi = first_fpr_regnum; regi <= last_fpr_regnum; regi++)
- regcache_raw_supply (regcache, regi, fpregsetp->fr[regi - first_fpr_regnum]);
+ regcache_raw_supply (regcache, regi,
+ fpregsetp->fr[regi - first_fpr_regnum]);
regcache_raw_supply (regcache, fner0_regnum, fpregsetp->fner[0]);
regcache_raw_supply (regcache, fner1_regnum, fpregsetp->fner[1]);
static void
frv_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
+ linux_init_abi (info, gdbarch);
+
/* Set the sigtramp frame sniffer. */
frame_unwind_append_unwinder (gdbarch, &frv_linux_sigtramp_frame_unwind);
+
set_gdbarch_regset_from_core_section (gdbarch,
frv_linux_regset_from_core_section);
}
void
_initialize_frv_linux_tdep (void)
{
- gdbarch_register_osabi (bfd_arch_frv, 0, GDB_OSABI_LINUX, frv_linux_init_abi);
+ gdbarch_register_osabi (bfd_arch_frv, 0, GDB_OSABI_LINUX,
+ frv_linux_init_abi);
gdbarch_register_osabi_sniffer (bfd_arch_frv,
bfd_target_elf_flavour,
frv_linux_elf_osabi_sniffer);
projects / deliverable / binutils-gdb.git / blobdiff