/* Target-dependent code for Solaris SPARC.
- Copyright (C) 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2003-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "objfiles.h"
#include "osabi.h"
#include "regcache.h"
+#include "regset.h"
#include "target.h"
#include "trad-frame.h"
-#include "gdb_assert.h"
-#include "gdb_string.h"
-
#include "sol2-tdep.h"
#include "sparc-tdep.h"
#include "solib-svr4.h"
/* From <sys/regset.h>. */
-const struct sparc_gregset sparc32_sol2_gregset =
+const struct sparc_gregmap sparc32_sol2_gregmap =
{
32 * 4, /* %psr */
33 * 4, /* %pc */
1 * 4, /* %g1 */
16 * 4, /* %l0 */
};
+
+const struct sparc_fpregmap sparc32_sol2_fpregmap =
+{
+ 0 * 4, /* %f0 */
+ 33 * 4, /* %fsr */
+};
+
+static void
+sparc32_sol2_supply_core_gregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *gregs, size_t len)
+{
+ sparc32_supply_gregset (&sparc32_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc32_sol2_collect_core_gregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *gregs, size_t len)
+{
+ sparc32_collect_gregset (&sparc32_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc32_sol2_supply_core_fpregset (const struct regset *regset,
+ struct regcache *regcache,
+ int regnum, const void *fpregs, size_t len)
+{
+ sparc32_supply_fpregset (&sparc32_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static void
+sparc32_sol2_collect_core_fpregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *fpregs, size_t len)
+{
+ sparc32_collect_fpregset (&sparc32_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static const struct regset sparc32_sol2_gregset =
+ {
+ NULL,
+ sparc32_sol2_supply_core_gregset,
+ sparc32_sol2_collect_core_gregset
+ };
+
+static const struct regset sparc32_sol2_fpregset =
+ {
+ NULL,
+ sparc32_sol2_supply_core_fpregset,
+ sparc32_sol2_collect_core_fpregset
+ };
\f
/* The Solaris signal trampolines reside in libc. For normal signals,
`ucontext_t', which has a member `uc_mcontext' that contains the
saved registers. Incidentally, the kernel passes the `ucontext_t'
pointer as the third argument of the signal trampoline too, and
- `sigacthandler' simply passes it on. However, if you link your
+ `sigacthandler' simply passes it on. However, if you link your
program with "-L/usr/ucblib -R/usr/ucblib -lucb", the function
`ucbsigvechandler' will be used, which invokes the using the BSD
convention, where the third argument is a pointer to an instance of
ignore this. */
int
-sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, char *name)
+sparc_sol2_pc_in_sigtramp (CORE_ADDR pc, const char *name)
{
return (name && (strcmp (name, "sigacthandler") == 0
|| strcmp (name, "ucbsigvechandler") == 0
}
static struct sparc_frame_cache *
-sparc32_sol2_sigtramp_frame_cache (struct frame_info *next_frame,
+sparc32_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) + 40;
+ regnum =
+ (cache->copied_regs_mask & 0x04) ? SPARC_I2_REGNUM : SPARC_O2_REGNUM;
+ mcontext_addr = get_frame_register_unsigned (this_frame, regnum) + 40;
cache->saved_regs[SPARC32_PSR_REGNUM].addr = mcontext_addr + 0 * 4;
cache->saved_regs[SPARC32_PC_REGNUM].addr = mcontext_addr + 1 * 4;
regnum <= SPARC_O7_REGNUM; regnum++, addr += 4)
cache->saved_regs[regnum].addr = addr;
- if (get_frame_memory_unsigned (next_frame, mcontext_addr + 19 * 4, 4))
+ if (get_frame_memory_unsigned (this_frame, mcontext_addr + 19 * 4, 4))
{
/* The register windows haven't been flushed. */
for (regnum = SPARC_L0_REGNUM; regnum <= SPARC_I7_REGNUM; regnum++)
else
{
addr = cache->saved_regs[SPARC_SP_REGNUM].addr;
- addr = get_frame_memory_unsigned (next_frame, addr, 4);
+ addr = get_frame_memory_unsigned (this_frame, addr, 4);
for (regnum = SPARC_L0_REGNUM;
regnum <= SPARC_I7_REGNUM; regnum++, addr += 4)
cache->saved_regs[regnum].addr = addr;
}
static void
-sparc32_sol2_sigtramp_frame_this_id (struct frame_info *next_frame,
+sparc32_sol2_sigtramp_frame_this_id (struct frame_info *this_frame,
void **this_cache,
struct frame_id *this_id)
{
struct sparc_frame_cache *cache =
- sparc32_sol2_sigtramp_frame_cache (next_frame, this_cache);
+ sparc32_sol2_sigtramp_frame_cache (this_frame, this_cache);
(*this_id) = frame_id_build (cache->base, cache->pc);
}
-static void
-sparc32_sol2_sigtramp_frame_prev_register (struct frame_info *next_frame,
+static struct value *
+sparc32_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 =
- sparc32_sol2_sigtramp_frame_cache (next_frame, this_cache);
+ sparc32_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 const struct frame_unwind sparc32_sol2_sigtramp_frame_unwind =
-{
- SIGTRAMP_FRAME,
- sparc32_sol2_sigtramp_frame_this_id,
- sparc32_sol2_sigtramp_frame_prev_register
-};
-
-static const struct frame_unwind *
-sparc32_sol2_sigtramp_frame_sniffer (struct frame_info *next_frame)
+static int
+sparc32_sol2_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 (sparc_sol2_pc_in_sigtramp (pc, name))
- return &sparc32_sol2_sigtramp_frame_unwind;
+ return 1;
- return NULL;
+ return 0;
}
+static const struct frame_unwind sparc32_sol2_sigtramp_frame_unwind =
+{
+ SIGTRAMP_FRAME,
+ default_frame_unwind_stop_reason,
+ sparc32_sol2_sigtramp_frame_this_id,
+ sparc32_sol2_sigtramp_frame_prev_register,
+ NULL,
+ sparc32_sol2_sigtramp_frame_sniffer
+};
+
/* Unglobalize NAME. */
-char *
-sparc_sol2_static_transform_name (char *name)
+const char *
+sparc_sol2_static_transform_name (const char *name)
{
/* The Sun compilers (Sun ONE Studio, Forte Developer, Sun WorkShop,
SunPRO) convert file static variables into global values, a
if (name[0] == '$')
{
- char *p = strrchr (name, '.');
+ const char *p = strrchr (name, '.');
if (p)
return p + 1;
}
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ tdep->gregset = &sparc32_sol2_gregset;
+ tdep->sizeof_gregset = 152;
+
+ tdep->fpregset = &sparc32_sol2_fpregset;
+ tdep->sizeof_fpregset = 400;
+
/* 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. */
/* Solaris has kernel-assisted single-stepping support. */
set_gdbarch_software_single_step (gdbarch, NULL);
- frame_unwind_append_sniffer (gdbarch, sparc32_sol2_sigtramp_frame_sniffer);
-}
-\f
+ frame_unwind_append_unwinder (gdbarch, &sparc32_sol2_sigtramp_frame_unwind);
-/* Provide a prototype to silence -Wmissing-prototypes. */
-void _initialize_sparc_sol2_tdep (void);
+ /* How to print LWP PTIDs from core files. */
+ set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str);
+}
void
_initialize_sparc_sol2_tdep (void)
projects / deliverable / binutils-gdb.git / blobdiff