/* Target-dependent code for Solaris UltraSPARC.
- Copyright 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "frame.h"
#include "objfiles.h"
#include "osabi.h"
#include "trad-frame.h"
+#include "regset.h"
-#include "gdb_assert.h"
-
+#include "sol2-tdep.h"
#include "sparc64-tdep.h"
#include "solib-svr4.h"
/* From <sys/regset.h>. */
-const struct sparc_gregset sparc64_sol2_gregset =
+const struct sparc_gregmap sparc64_sol2_gregmap =
{
32 * 8, /* "tstate" */
33 * 8, /* %pc */
16 * 8, /* %l0 */
8 /* sizeof (%y) */
};
+
+const struct sparc_fpregmap sparc64_sol2_fpregmap =
+{
+ 0 * 8, /* %f0 */
+ 33 * 8, /* %fsr */
+};
+
+static void
+sparc64_sol2_supply_core_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ sparc64_supply_gregset (&sparc64_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc64_sol2_collect_core_gregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ sparc64_collect_gregset (&sparc64_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc64_sol2_supply_core_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len)
+{
+ sparc64_supply_fpregset (&sparc64_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static void
+sparc64_sol2_collect_core_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len)
+{
+ sparc64_collect_fpregset (&sparc64_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static const struct regset sparc64_sol2_gregset =
+ {
+ NULL,
+ sparc64_sol2_supply_core_gregset,
+ sparc64_sol2_collect_core_gregset
+ };
+
+static const struct regset sparc64_sol2_fpregset =
+ {
+ NULL,
+ sparc64_sol2_supply_core_fpregset,
+ sparc64_sol2_collect_core_fpregset
+ };
\f
static struct sparc_frame_cache *
-sparc64_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
+sparc64_sol2_sigtramp_frame_cache (struct frame_info *this_frame,
void **this_cache)
{
struct sparc_frame_cache *cache;
int regnum;
if (*this_cache)
- return *this_cache;
+ return (struct sparc_frame_cache *) *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. */
- regnum = (cache->frameless_p ? SPARC_O2_REGNUM : SPARC_I2_REGNUM);
- mcontext_addr = frame_unwind_register_unsigned (next_frame, regnum) + 64;
+ regnum =
+ (cache->copied_regs_mask & 0x04) ? SPARC_I2_REGNUM : SPARC_O2_REGNUM;
+ mcontext_addr = get_frame_register_unsigned (this_frame, regnum) + 64;
- cache->saved_regs[SPARC64_CCR_REGNUM].addr = mcontext_addr + 0 * 8;
- cache->saved_regs[SPARC64_PC_REGNUM].addr = mcontext_addr + 1 * 8;
- cache->saved_regs[SPARC64_NPC_REGNUM].addr = mcontext_addr + 2 * 8;
- cache->saved_regs[SPARC64_Y_REGNUM].addr = mcontext_addr + 3 * 8;
- cache->saved_regs[SPARC64_ASI_REGNUM].addr = mcontext_addr + 19 * 8;
- cache->saved_regs[SPARC64_FPRS_REGNUM].addr = mcontext_addr + 20 * 8;
+ cache->saved_regs[SPARC64_CCR_REGNUM].set_addr (mcontext_addr + 0 * 8);
+ cache->saved_regs[SPARC64_PC_REGNUM].set_addr (mcontext_addr + 1 * 8);
+ cache->saved_regs[SPARC64_NPC_REGNUM].set_addr (mcontext_addr + 2 * 8);
+ cache->saved_regs[SPARC64_Y_REGNUM].set_addr (mcontext_addr + 3 * 8);
+ cache->saved_regs[SPARC64_ASI_REGNUM].set_addr (mcontext_addr + 19 * 8);
+ cache->saved_regs[SPARC64_FPRS_REGNUM].set_addr (mcontext_addr + 20 * 8);
/* Since %g0 is always zero, keep the identity encoding. */
for (regnum = SPARC_G1_REGNUM, addr = mcontext_addr + 4 * 8;
regnum <= SPARC_O7_REGNUM; regnum++, addr += 8)
- cache->saved_regs[regnum].addr = addr;
+ cache->saved_regs[regnum].set_addr (addr);
- if (get_frame_memory_unsigned (next_frame, mcontext_addr + 21 * 8, 8))
+ if (get_frame_memory_unsigned (this_frame, mcontext_addr + 21 * 8, 8))
{
/* The register windows haven't been flushed. */
for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
- trad_frame_set_unknown (cache->saved_regs, regnum);
+ cache->saved_regs[regnum].set_unknown ();
}
else
{
CORE_ADDR sp;
- addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
- sp = get_frame_memory_unsigned (next_frame, addr, 8);
+ addr = cache->saved_regs[SPARC_SP_REGNUM].addr ();
+ 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;
+ cache->saved_regs[regnum].set_addr (addr);
}
return cache;
}
static void
-sparc64_sol2_sigtramp_frame_this_id (struct frame_info *next_frame,
+sparc64_sol2_sigtramp_frame_this_id (struct frame_info *this_frame,
void **this_cache,
struct frame_id *this_id)
{
struct sparc_frame_cache *cache =
- sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
+ sparc64_sol2_sigtramp_frame_cache (this_frame, this_cache);
(*this_id) = frame_id_build (cache->base, cache->pc);
}
-static void
-sparc64_sol2_sigtramp_frame_prev_register (struct frame_info *next_frame,
+static struct value *
+sparc64_sol2_sigtramp_frame_prev_register (struct frame_info *this_frame,
void **this_cache,
- int regnum, int *optimizedp,
- enum lval_type *lvalp,
- CORE_ADDR *addrp,
- int *realnump, gdb_byte *valuep)
+ int regnum)
{
struct sparc_frame_cache *cache =
- sparc64_sol2_sigtramp_frame_cache (next_frame, this_cache);
+ sparc64_sol2_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 int
+sparc64_sol2_sigtramp_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache)
+{
+ return sol2_sigtramp_p (this_frame);
}
static const struct frame_unwind sparc64_sol2_sigtramp_frame_unwind =
{
+ "sparc64 solaris sigtramp",
SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
sparc64_sol2_sigtramp_frame_this_id,
- sparc64_sol2_sigtramp_frame_prev_register
+ sparc64_sol2_sigtramp_frame_prev_register,
+ NULL,
+ sparc64_sol2_sigtramp_frame_sniffer
};
-static const struct frame_unwind *
-sparc64_sol2_sigtramp_frame_sniffer (struct frame_info *next_frame)
-{
- CORE_ADDR pc = frame_pc_unwind (next_frame);
- char *name;
-
- find_pc_partial_function (pc, &name, NULL, NULL);
- if (sparc_sol2_pc_in_sigtramp (pc, name))
- return &sparc64_sol2_sigtramp_frame_unwind;
-
- return NULL;
-}
\f
-void
+static void
sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- frame_unwind_append_sniffer (gdbarch, sparc64_sol2_sigtramp_frame_sniffer);
+ tdep->gregset = &sparc64_sol2_gregset;
+ tdep->sizeof_gregset = 304;
+
+ tdep->fpregset = &sparc64_sol2_fpregset;
+ tdep->sizeof_fpregset = 544;
+
+ frame_unwind_append_unwinder (gdbarch, &sparc64_sol2_sigtramp_frame_unwind);
sparc64_init_abi (info, gdbarch);
+ sol2_init_abi (info, gdbarch);
+
/* Solaris has SVR4-style shared libraries... */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
set_solib_svr4_fetch_link_map_offsets
/* Solaris has kernel-assisted single-stepping support. */
set_gdbarch_software_single_step (gdbarch, NULL);
}
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_sparc64_sol2_tdep (void);
+void _initialize_sparc64_sol2_tdep ();
void
-_initialize_sparc64_sol2_tdep (void)
+_initialize_sparc64_sol2_tdep ()
{
gdbarch_register_osabi (bfd_arch_sparc, bfd_mach_sparc_v9,
GDB_OSABI_SOLARIS, sparc64_sol2_init_abi);
projects / thirdparty / binutils-gdb.git / blobdiff