/* Target-dependent code for Solaris UltraSPARC.
- Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010
- Free Software Foundation, Inc.
+ Copyright (C) 2003-2021 Free Software Foundation, Inc.
This file is part of GDB.
#include "objfiles.h"
#include "osabi.h"
#include "trad-frame.h"
-
-#include "gdb_assert.h"
+#include "regset.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 *
int regnum;
if (*this_cache)
- return *this_cache;
+ return (struct sparc_frame_cache *) *this_cache;
cache = sparc_frame_cache (this_frame, this_cache);
gdb_assert (cache == *this_cache);
/* 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);
+ 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 (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;
+ 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;
struct frame_info *this_frame,
void **this_cache)
{
- CORE_ADDR pc = get_frame_pc (this_frame);
- char *name;
-
- find_pc_partial_function (pc, &name, NULL, NULL);
- if (sparc_sol2_pc_in_sigtramp (pc, name))
- return 1;
-
- return 0;
+ 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,
NULL,
\f
-void
+static void
sparc64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ 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);
- /* The Sun compilers (Sun ONE Studio, Forte Developer, Sun WorkShop, SunPRO)
- compiler puts out 0 instead of the address in N_SO stabs. Starting with
- SunPRO 3.0, the compiler does this for N_FUN stabs too. */
- set_gdbarch_sofun_address_maybe_missing (gdbarch, 1);
-
- /* The Sun compilers also do "globalization"; see the comment in
- sparc_sol2_static_transform_name for more information. */
- set_gdbarch_static_transform_name
- (gdbarch, sparc_sol2_static_transform_name);
+ sol2_init_abi (info, gdbarch);
/* Solaris has SVR4-style shared libraries... */
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
- set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_lp64_fetch_link_map_offsets);
/* Solaris has kernel-assisted single-stepping support. */
set_gdbarch_software_single_step (gdbarch, NULL);
-
- /* Solaris encodes the pid of the inferior in regset section
- names. */
- set_gdbarch_core_reg_section_encodes_pid (gdbarch, 1);
-
- /* How to print LWP PTIDs from core files. */
- set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str);
}
-\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