/* Target-dependent code for FreeBSD/sparc64.
- Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "target.h"
#include "trad-frame.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "sparc64-tdep.h"
+#include "fbsd-tdep.h"
#include "solib-svr4.h"
/* From <machine/reg.h>. */
-const struct sparc_gregset sparc64fbsd_gregset =
+const struct sparc_gregmap sparc64fbsd_gregmap =
{
26 * 8, /* "tstate" */
25 * 8, /* %pc */
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
- sparc64_supply_gregset (&sparc64fbsd_gregset, regcache, regnum, gregs);
+ sparc64_supply_gregset (&sparc64fbsd_gregmap, regcache, regnum, gregs);
}
static void
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
- sparc64_collect_gregset (&sparc64fbsd_gregset, regcache, regnum, gregs);
+ sparc64_collect_gregset (&sparc64fbsd_gregmap, regcache, regnum, gregs);
}
static void
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
- sparc64_supply_fpregset (regcache, regnum, fpregs);
+ sparc64_supply_fpregset (&sparc64_bsd_fpregmap, regcache, regnum, fpregs);
}
static void
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
- sparc64_collect_fpregset (regcache, regnum, fpregs);
+ sparc64_collect_fpregset (&sparc64_bsd_fpregmap, regcache, regnum, fpregs);
}
\f
/* Signal trampolines. */
static int
-sparc64fbsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
+sparc64fbsd_pc_in_sigtramp (CORE_ADDR pc, const char *name)
{
return (name && strcmp (name, "__sigtramp") == 0);
}
static struct sparc_frame_cache *
-sparc64fbsd_sigtramp_frame_cache (struct frame_info *next_frame,
+sparc64fbsd_sigtramp_frame_cache (struct frame_info *this_frame,
void **this_cache)
{
struct sparc_frame_cache *cache;
if (*this_cache)
return *this_cache;
- cache = sparc_frame_cache (next_frame, this_cache);
+ cache = sparc_frame_cache (this_frame, this_cache);
gdb_assert (cache == *this_cache);
- cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
+ cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
/* The third argument is a pointer to an instance of `ucontext_t',
which has a member `uc_mcontext' that contains the saved
registers. */
- addr = frame_unwind_register_unsigned (next_frame, SPARC_O2_REGNUM);
+ addr = get_frame_register_unsigned (this_frame, SPARC_O2_REGNUM);
mcontext_addr = addr + 64;
/* The following registers travel in the `mc_local' slots of
/* The `local' and `in' registers have been saved in the register
save area. */
addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
- sp = get_frame_memory_unsigned (next_frame, addr, 8);
+ sp = get_frame_memory_unsigned (this_frame, addr, 8);
for (regnum = SPARC_L0_REGNUM, addr = sp + BIAS;
regnum <= SPARC_I7_REGNUM; regnum++, addr += 8)
cache->saved_regs[regnum].addr = addr;
#define FPRS_FEF (1 << 2)
addr = cache->saved_regs[SPARC64_FPRS_REGNUM].addr;
- fprs = get_frame_memory_unsigned (next_frame, addr, 8);
+ fprs = get_frame_memory_unsigned (this_frame, addr, 8);
if (fprs & FPRS_FEF)
{
for (regnum = SPARC_F0_REGNUM, addr = mcontext_addr + 32 * 8;
}
static void
-sparc64fbsd_sigtramp_frame_this_id (struct frame_info *next_frame,
+sparc64fbsd_sigtramp_frame_this_id (struct frame_info *this_frame,
void **this_cache,
struct frame_id *this_id)
{
struct sparc_frame_cache *cache =
- sparc64fbsd_sigtramp_frame_cache (next_frame, this_cache);
+ sparc64fbsd_sigtramp_frame_cache (this_frame, this_cache);
(*this_id) = frame_id_build (cache->base, cache->pc);
}
-static void
-sparc64fbsd_sigtramp_frame_prev_register (struct frame_info *next_frame,
- void **this_cache,
- int regnum, int *optimizedp,
- enum lval_type *lvalp,
- CORE_ADDR *addrp,
- int *realnump, gdb_byte *valuep)
+static struct value *
+sparc64fbsd_sigtramp_frame_prev_register (struct frame_info *this_frame,
+ void **this_cache, int regnum)
{
struct sparc_frame_cache *cache =
- sparc64fbsd_sigtramp_frame_cache (next_frame, this_cache);
+ sparc64fbsd_sigtramp_frame_cache (this_frame, this_cache);
- trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
- optimizedp, lvalp, addrp, realnump, valuep);
+ return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
}
-static const struct frame_unwind sparc64fbsd_sigtramp_frame_unwind =
-{
- SIGTRAMP_FRAME,
- sparc64fbsd_sigtramp_frame_this_id,
- sparc64fbsd_sigtramp_frame_prev_register
-};
-
-static const struct frame_unwind *
-sparc64fbsd_sigtramp_frame_sniffer (struct frame_info *next_frame)
+static int
+sparc64fbsd_sigtramp_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache)
{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
- char *name;
+ CORE_ADDR pc = get_frame_pc (this_frame);
+ const char *name;
find_pc_partial_function (pc, &name, NULL, NULL);
if (sparc64fbsd_pc_in_sigtramp (pc, name))
- return &sparc64fbsd_sigtramp_frame_unwind;
+ return 1;
- return NULL;
+ return 0;
}
+
+static const struct frame_unwind sparc64fbsd_sigtramp_frame_unwind =
+{
+ SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
+ sparc64fbsd_sigtramp_frame_this_id,
+ sparc64fbsd_sigtramp_frame_prev_register,
+ NULL,
+ sparc64fbsd_sigtramp_frame_sniffer
+};
\f
+static const struct regset sparc64fbsd_gregset =
+ {
+ NULL, sparc64fbsd_supply_gregset, sparc64fbsd_collect_gregset
+ };
+
+static const struct regset sparc64fbsd_fpregset =
+ {
+ NULL, sparc64fbsd_supply_fpregset, sparc64fbsd_collect_fpregset
+ };
+
static void
sparc64fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- tdep->gregset = regset_alloc (gdbarch, sparc64fbsd_supply_gregset,
- sparc64fbsd_collect_gregset);
+ /* Generic FreeBSD support. */
+ fbsd_init_abi (info, gdbarch);
+
+ tdep->gregset = &sparc64fbsd_gregset;
tdep->sizeof_gregset = 256;
- tdep->fpregset = regset_alloc (gdbarch, sparc64fbsd_supply_fpregset,
- sparc64fbsd_collect_fpregset);
+ tdep->fpregset = &sparc64fbsd_fpregset;
tdep->sizeof_fpregset = 272;
- frame_unwind_append_sniffer (gdbarch, sparc64fbsd_sigtramp_frame_sniffer);
+ frame_unwind_append_unwinder (gdbarch, &sparc64fbsd_sigtramp_frame_unwind);
sparc64_init_abi (info, gdbarch);