void
_initialize_amd64fbsd_nat ()
{
- int offset;
-
amd64_native_gregset32_reg_offset = amd64fbsd32_r_reg_offset;
amd64_native_gregset64_reg_offset = amd64fbsd64_r_reg_offset;
/* Support debugging kernel virtual memory images. */
bsd_kvm_add_target (amd64fbsd_supply_pcb);
-
- /* To support the recognition of signal handlers, i386-bsd-tdep.c
- hardcodes some constants. Inclusion of this file means that we
- are compiling a native debugger, which means that we can use the
- system header files and sysctl(3) to get at the relevant
- information. */
-
-#define SC_REG_OFFSET amd64fbsd_sc_reg_offset
-
- /* We only check the program counter, stack pointer and frame
- pointer since these members of `struct sigcontext' are essential
- for providing backtraces. */
-
-#define SC_RIP_OFFSET SC_REG_OFFSET[AMD64_RIP_REGNUM]
-#define SC_RSP_OFFSET SC_REG_OFFSET[AMD64_RSP_REGNUM]
-#define SC_RBP_OFFSET SC_REG_OFFSET[AMD64_RBP_REGNUM]
-
- /* Override the default value for the offset of the program counter
- in the sigcontext structure. */
- offset = offsetof (struct sigcontext, sc_rip);
-
- if (SC_RIP_OFFSET != offset)
- {
- warning (_("\
-offsetof (struct sigcontext, sc_rip) yields %d instead of %d.\n\
-Please report this to <bug-gdb@gnu.org>."),
- offset, SC_RIP_OFFSET);
- }
-
- SC_RIP_OFFSET = offset;
-
- /* Likewise for the stack pointer. */
- offset = offsetof (struct sigcontext, sc_rsp);
-
- if (SC_RSP_OFFSET != offset)
- {
- warning (_("\
-offsetof (struct sigcontext, sc_rsp) yields %d instead of %d.\n\
-Please report this to <bug-gdb@gnu.org>."),
- offset, SC_RSP_OFFSET);
- }
-
- SC_RSP_OFFSET = offset;
-
- /* And the frame pointer. */
- offset = offsetof (struct sigcontext, sc_rbp);
-
- if (SC_RBP_OFFSET != offset)
- {
- warning (_("\
-offsetof (struct sigcontext, sc_rbp) yields %d instead of %d.\n\
-Please report this to <bug-gdb@gnu.org>."),
- offset, SC_RBP_OFFSET);
- }
-
- SC_RBP_OFFSET = offset;
}
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "arch-utils.h"
-#include "frame.h"
-#include "gdbcore.h"
-#include "regcache.h"
#include "osabi.h"
#include "regset.h"
+#include "target.h"
+#include "trad-frame.h"
+#include "tramp-frame.h"
#include "i386-fbsd-tdep.h"
#include "gdbsupport/x86-xstate.h"
{ 0 }
};
+/* This layout including fsbase and gsbase was adopted in FreeBSD
+ 8.0. */
+
+static const struct regcache_map_entry amd64_fbsd_mcregmap[] =
+{
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_onstack */
+ { 1, AMD64_RDI_REGNUM, 0 },
+ { 1, AMD64_RSI_REGNUM, 0 },
+ { 1, AMD64_RDX_REGNUM, 0 },
+ { 1, AMD64_RCX_REGNUM, 0 },
+ { 1, AMD64_R8_REGNUM, 0 },
+ { 1, AMD64_R9_REGNUM, 0 },
+ { 1, AMD64_RAX_REGNUM, 0 },
+ { 1, AMD64_RBX_REGNUM, 0 },
+ { 1, AMD64_RBP_REGNUM, 0 },
+ { 1, AMD64_R10_REGNUM, 0 },
+ { 1, AMD64_R11_REGNUM, 0 },
+ { 1, AMD64_R12_REGNUM, 0 },
+ { 1, AMD64_R13_REGNUM, 0 },
+ { 1, AMD64_R14_REGNUM, 0 },
+ { 1, AMD64_R15_REGNUM, 0 },
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_trapno */
+ { 1, AMD64_FS_REGNUM, 2 },
+ { 1, AMD64_GS_REGNUM, 2 },
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_addr */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_flags */
+ { 1, AMD64_ES_REGNUM, 2 },
+ { 1, AMD64_DS_REGNUM, 2 },
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_err */
+ { 1, AMD64_RIP_REGNUM, 0 },
+ { 1, AMD64_CS_REGNUM, 8 },
+ { 1, AMD64_EFLAGS_REGNUM, 8 },
+ { 1, AMD64_RSP_REGNUM, 0 },
+ { 1, AMD64_SS_REGNUM, 8 },
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_len */
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_fpformat */
+ { 1, REGCACHE_MAP_SKIP, 8 }, /* mc_ownedfp */
+ { 64, REGCACHE_MAP_SKIP, 8 }, /* mc_fpstate */
+ { 1, AMD64_FSBASE_REGNUM, 0 },
+ { 1, AMD64_GSBASE_REGNUM, 0 },
+ { 0 }
+};
+
/* Register set definitions. */
const struct regset amd64_fbsd_gregset =
/* Support for signal handlers. */
-/* Return whether THIS_FRAME corresponds to a FreeBSD sigtramp
- routine. */
+/* In a signal frame, rsp points to a 'struct sigframe' which is
+ defined as:
-static const gdb_byte amd64fbsd_sigtramp_code[] =
-{
- 0x48, 0x8d, 0x7c, 0x24, 0x10, /* lea SIGF_UC(%rsp),%rdi */
- 0x6a, 0x00, /* pushq $0 */
- 0x48, 0xc7, 0xc0, 0xa1, 0x01, 0x00, 0x00,
- /* movq $SYS_sigreturn,%rax */
- 0x0f, 0x05 /* syscall */
-};
+ struct sigframe {
+ union {
+ __siginfohandler_t *sf_action;
+ __sighandler_t *sf_handler;
+ } sf_ahu;
+ ucontext_t sf_uc;
+ ...
+ }
-static int
-amd64fbsd_sigtramp_p (struct frame_info *this_frame)
-{
- CORE_ADDR pc = get_frame_pc (this_frame);
- gdb_byte buf[sizeof amd64fbsd_sigtramp_code];
+ ucontext_t is defined as:
- if (!safe_frame_unwind_memory (this_frame, pc, buf))
- return 0;
- if (memcmp (buf, amd64fbsd_sigtramp_code, sizeof amd64fbsd_sigtramp_code)
- != 0)
- return 0;
+ struct __ucontext {
+ sigset_t uc_sigmask;
+ mcontext_t uc_mcontext;
+ ...
+ };
- return 1;
-}
+ The mcontext_t contains the general purpose register set as well
+ as the floating point or XSAVE state. */
-/* Assuming THIS_FRAME is for a BSD sigtramp routine, return the
- address of the associated sigcontext structure. */
+/* NB: There is an 8 byte padding hole between sf_ahu and sf_uc. */
+#define AMD64_SIGFRAME_UCONTEXT_OFFSET 16
+#define AMD64_UCONTEXT_MCONTEXT_OFFSET 16
+#define AMD64_SIZEOF_MCONTEXT_T 800
-static CORE_ADDR
-amd64fbsd_sigcontext_addr (struct frame_info *this_frame)
+/* Implement the "init" method of struct tramp_frame. */
+
+static void
+amd64_fbsd_sigframe_init (const struct tramp_frame *self,
+ struct frame_info *this_frame,
+ struct trad_frame_cache *this_cache,
+ CORE_ADDR func)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
- CORE_ADDR sp;
- gdb_byte buf[8];
-
- /* The `struct sigcontext' (which really is an `ucontext_t' on
- FreeBSD/amd64) lives at a fixed offset in the signal frame. See
- <machine/sigframe.h>. */
- get_frame_register (this_frame, AMD64_RSP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 8, byte_order);
- return sp + 16;
+ CORE_ADDR sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);
+ CORE_ADDR mcontext_addr
+ = (sp
+ + AMD64_SIGFRAME_UCONTEXT_OFFSET
+ + AMD64_UCONTEXT_MCONTEXT_OFFSET);
+
+ trad_frame_set_reg_regmap (this_cache, amd64_fbsd_mcregmap, mcontext_addr,
+ AMD64_SIZEOF_MCONTEXT_T);
+
+ /* Don't bother with floating point or XSAVE state for now. The
+ current helper routines for parsing FXSAVE and XSAVE state only
+ work with regcaches. This could perhaps create a temporary
+ regcache, collect the register values from mc_fpstate and
+ mc_xfpustate, and then set register values in the trad_frame. */
+
+ trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
-\f
-/* From <machine/signal.h>. */
-int amd64fbsd_sc_reg_offset[] =
+static const struct tramp_frame amd64_fbsd_sigframe =
{
- 24 + 6 * 8, /* %rax */
- 24 + 7 * 8, /* %rbx */
- 24 + 3 * 8, /* %rcx */
- 24 + 2 * 8, /* %rdx */
- 24 + 1 * 8, /* %rsi */
- 24 + 0 * 8, /* %rdi */
- 24 + 8 * 8, /* %rbp */
- 24 + 22 * 8, /* %rsp */
- 24 + 4 * 8, /* %r8 ... */
- 24 + 5 * 8,
- 24 + 9 * 8,
- 24 + 10 * 8,
- 24 + 11 * 8,
- 24 + 12 * 8,
- 24 + 13 * 8,
- 24 + 14 * 8, /* ... %r15 */
- 24 + 19 * 8, /* %rip */
- 24 + 21 * 8, /* %eflags */
- 24 + 20 * 8, /* %cs */
- 24 + 23 * 8, /* %ss */
- -1, /* %ds */
- -1, /* %es */
- -1, /* %fs */
- -1 /* %gs */
+ SIGTRAMP_FRAME,
+ 1,
+ {
+ {0x48, ULONGEST_MAX}, /* lea SIGF_UC(%rsp),%rdi */
+ {0x8d, ULONGEST_MAX},
+ {0x7c, ULONGEST_MAX},
+ {0x24, ULONGEST_MAX},
+ {0x10, ULONGEST_MAX},
+ {0x6a, ULONGEST_MAX}, /* pushq $0 */
+ {0x00, ULONGEST_MAX},
+ {0x48, ULONGEST_MAX}, /* movq $SYS_sigreturn,%rax */
+ {0xc7, ULONGEST_MAX},
+ {0xc0, ULONGEST_MAX},
+ {0xa1, ULONGEST_MAX},
+ {0x01, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x0f, ULONGEST_MAX}, /* syscall */
+ {0x05, ULONGEST_MAX},
+ {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
+ },
+ amd64_fbsd_sigframe_init
};
/* Implement the core_read_description gdbarch method. */
amd64_init_abi (info, gdbarch,
amd64_target_description (X86_XSTATE_SSE_MASK, true));
- tdep->sigtramp_p = amd64fbsd_sigtramp_p;
- tdep->sigcontext_addr = amd64fbsd_sigcontext_addr;
- tdep->sc_reg_offset = amd64fbsd_sc_reg_offset;
- tdep->sc_num_regs = ARRAY_SIZE (amd64fbsd_sc_reg_offset);
+ tramp_frame_prepend_unwinder (gdbarch, &amd64_fbsd_sigframe);
tdep->xsave_xcr0_offset = I386_FBSD_XSAVE_XCR0_OFFSET;
/* Variables exported from amd64-obsd-tdep.c. */
extern int amd64obsd_r_reg_offset[];
-/* Variables exported from amd64-fbsd-tdep.c. */
-extern int amd64fbsd_sc_reg_offset[];
-
#endif /* amd64-tdep.h */
system header files and sysctl(3) to get at the relevant
information. */
-#if defined (__FreeBSD_version)
-#define SC_REG_OFFSET i386fbsd_sc_reg_offset
-#elif defined (OpenBSD)
+#if defined (OpenBSD)
#define SC_REG_OFFSET i386obsd_sc_reg_offset
#endif
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
-#include "arch-utils.h"
-#include "gdbcore.h"
#include "osabi.h"
#include "regcache.h"
#include "regset.h"
+#include "trad-frame.h"
+#include "tramp-frame.h"
#include "i386-fbsd-tdep.h"
#include "gdbsupport/x86-xstate.h"
{ 0 }
};
+/* This layout including fsbase and gsbase was adopted in FreeBSD
+ 8.0. */
+
+static const struct regcache_map_entry i386_fbsd_mcregmap[] =
+{
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_onstack */
+ { 1, I386_GS_REGNUM, 4 },
+ { 1, I386_FS_REGNUM, 4 },
+ { 1, I386_ES_REGNUM, 4 },
+ { 1, I386_DS_REGNUM, 4 },
+ { 1, I386_EDI_REGNUM, 0 },
+ { 1, I386_ESI_REGNUM, 0 },
+ { 1, I386_EBP_REGNUM, 0 },
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* isp */
+ { 1, I386_EBX_REGNUM, 0 },
+ { 1, I386_EDX_REGNUM, 0 },
+ { 1, I386_ECX_REGNUM, 0 },
+ { 1, I386_EAX_REGNUM, 0 },
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_trapno */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_err */
+ { 1, I386_EIP_REGNUM, 0 },
+ { 1, I386_CS_REGNUM, 4 },
+ { 1, I386_EFLAGS_REGNUM, 0 },
+ { 1, I386_ESP_REGNUM, 0 },
+ { 1, I386_SS_REGNUM, 4 },
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_len */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_fpformat */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_ownedfp */
+ { 1, REGCACHE_MAP_SKIP, 4 }, /* mc_flags */
+ { 128, REGCACHE_MAP_SKIP, 4 },/* mc_fpstate */
+ { 1, I386_FSBASE_REGNUM, 0 },
+ { 1, I386_GSBASE_REGNUM, 0 },
+ { 0 }
+};
+
/* Register set definitions. */
const struct regset i386_fbsd_gregset =
/* Support for signal handlers. */
-/* Return whether THIS_FRAME corresponds to a FreeBSD sigtramp
- routine. */
+/* In a signal frame, esp points to a 'struct sigframe' which is
+ defined as:
-/* FreeBSD/i386 binaries running under an amd64 kernel use a different
- trampoline This trampoline differs from the i386 kernel trampoline
- in that it omits a middle section that conditionally restores
- %gs. */
+ struct sigframe {
+ register_t sf_signum;
+ register_t sf_siginfo;
+ register_t sf_ucontext;
+ register_t sf_addr;
+ union {
+ __siginfohandler_t *sf_action;
+ __sighandler_t *sf_handler;
+ } sf_ahu;
+ ucontext_t sf_uc;
+ ...
+ }
-static const gdb_byte i386fbsd_sigtramp_start[] =
-{
- 0x8d, 0x44, 0x24, 0x20, /* lea SIGF_UC(%esp),%eax */
- 0x50 /* pushl %eax */
-};
+ ucontext_t is defined as:
-static const gdb_byte i386fbsd_sigtramp_middle[] =
-{
- 0xf7, 0x40, 0x54, 0x00, 0x00, 0x02, 0x00,
- /* testl $PSL_VM,UC_EFLAGS(%eax) */
- 0x75, 0x03, /* jne +3 */
- 0x8e, 0x68, 0x14 /* mov UC_GS(%eax),%gs */
-};
+ struct __ucontext {
+ sigset_t uc_sigmask;
+ mcontext_t uc_mcontext;
+ ...
+ };
-static const gdb_byte i386fbsd_sigtramp_end[] =
-{
- 0xb8, 0xa1, 0x01, 0x00, 0x00, /* movl $SYS_sigreturn,%eax */
- 0x50, /* pushl %eax */
- 0xcd, 0x80 /* int $0x80 */
-};
+ The mcontext_t contains the general purpose register set as well
+ as the floating point or XSAVE state. */
-/* We assume that the middle is the largest chunk below. */
-gdb_static_assert (sizeof i386fbsd_sigtramp_middle
- > sizeof i386fbsd_sigtramp_start);
-gdb_static_assert (sizeof i386fbsd_sigtramp_middle
- > sizeof i386fbsd_sigtramp_end);
+/* NB: There is a 12 byte padding hole between sf_ahu and sf_uc. */
+#define I386_SIGFRAME_UCONTEXT_OFFSET 32
+#define I386_UCONTEXT_MCONTEXT_OFFSET 16
+#define I386_SIZEOF_MCONTEXT_T 640
-static int
-i386fbsd_sigtramp_p (struct frame_info *this_frame)
+/* Implement the "init" method of struct tramp_frame. */
+
+static void
+i386_fbsd_sigframe_init (const struct tramp_frame *self,
+ struct frame_info *this_frame,
+ struct trad_frame_cache *this_cache,
+ CORE_ADDR func)
{
- CORE_ADDR pc = get_frame_pc (this_frame);
- gdb_byte buf[sizeof i386fbsd_sigtramp_middle];
-
- /* Look for a matching start. */
- if (!safe_frame_unwind_memory (this_frame, pc,
- {buf, sizeof i386fbsd_sigtramp_start}))
- return 0;
- if (memcmp (buf, i386fbsd_sigtramp_start, sizeof i386fbsd_sigtramp_start)
- != 0)
- return 0;
-
- /* Since the end is shorter than the middle, check for a matching end
- next. */
- pc += sizeof i386fbsd_sigtramp_start;
- if (!safe_frame_unwind_memory (this_frame, pc,
- {buf, sizeof i386fbsd_sigtramp_end}))
- return 0;
- if (memcmp (buf, i386fbsd_sigtramp_end, sizeof i386fbsd_sigtramp_end) == 0)
- return 1;
-
- /* If the end didn't match, check for a matching middle. */
- if (!safe_frame_unwind_memory (this_frame, pc,
- {buf, sizeof i386fbsd_sigtramp_middle}))
- return 0;
- if (memcmp (buf, i386fbsd_sigtramp_middle, sizeof i386fbsd_sigtramp_middle)
- != 0)
- return 0;
-
- /* The middle matched, check for a matching end. */
- pc += sizeof i386fbsd_sigtramp_middle;
- if (!safe_frame_unwind_memory (this_frame, pc,
- {buf, sizeof i386fbsd_sigtramp_end}))
- return 0;
- if (memcmp (buf, i386fbsd_sigtramp_end, sizeof i386fbsd_sigtramp_end) != 0)
- return 0;
-
- return 1;
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ CORE_ADDR sp = get_frame_register_unsigned (this_frame, I386_ESP_REGNUM);
+ CORE_ADDR mcontext_addr
+ = (sp
+ + I386_SIGFRAME_UCONTEXT_OFFSET
+ + I386_UCONTEXT_MCONTEXT_OFFSET);
+
+ trad_frame_set_reg_regmap (this_cache, i386_fbsd_mcregmap, mcontext_addr,
+ I386_SIZEOF_MCONTEXT_T);
+
+ /* Don't bother with floating point or XSAVE state for now. The
+ current helper routines for parsing FXSAVE and XSAVE state only
+ work with regcaches. This could perhaps create a temporary
+ regcache, collect the register values from mc_fpstate and
+ mc_xfpustate, and then set register values in the trad_frame. */
+
+ trad_frame_set_id (this_cache, frame_id_build (sp, func));
}
-/* From <machine/signal.h>. */
-int i386fbsd_sc_reg_offset[] =
+static const struct tramp_frame i386_fbsd_sigframe =
{
- 20 + 11 * 4, /* %eax */
- 20 + 10 * 4, /* %ecx */
- 20 + 9 * 4, /* %edx */
- 20 + 8 * 4, /* %ebx */
- 20 + 17 * 4, /* %esp */
- 20 + 6 * 4, /* %ebp */
- 20 + 5 * 4, /* %esi */
- 20 + 4 * 4, /* %edi */
- 20 + 14 * 4, /* %eip */
- 20 + 16 * 4, /* %eflags */
- 20 + 15 * 4, /* %cs */
- 20 + 18 * 4, /* %ss */
- 20 + 3 * 4, /* %ds */
- 20 + 2 * 4, /* %es */
- 20 + 1 * 4, /* %fs */
- 20 + 0 * 4 /* %gs */
+ SIGTRAMP_FRAME,
+ 1,
+ {
+ {0x8d, ULONGEST_MAX}, /* lea SIGF_UC(%esp),%eax */
+ {0x44, ULONGEST_MAX},
+ {0x24, ULONGEST_MAX},
+ {0x20, ULONGEST_MAX},
+ {0x50, ULONGEST_MAX}, /* pushl %eax */
+ {0xf7, ULONGEST_MAX}, /* testl $PSL_VM,UC_EFLAGS(%eax) */
+ {0x40, ULONGEST_MAX},
+ {0x54, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x02, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x75, ULONGEST_MAX}, /* jne +3 */
+ {0x03, ULONGEST_MAX},
+ {0x8e, ULONGEST_MAX}, /* mov UC_GS(%eax),%gs */
+ {0x68, ULONGEST_MAX},
+ {0x14, ULONGEST_MAX},
+ {0xb8, ULONGEST_MAX}, /* movl $SYS_sigreturn,%eax */
+ {0xa1, ULONGEST_MAX},
+ {0x01, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x50, ULONGEST_MAX}, /* pushl %eax */
+ {0xcd, ULONGEST_MAX}, /* int $0x80 */
+ {0x80, ULONGEST_MAX},
+ {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
+ },
+ i386_fbsd_sigframe_init
+};
+
+/* FreeBSD/i386 binaries running under an amd64 kernel use a different
+ trampoline. This trampoline differs from the i386 kernel trampoline
+ in that it omits a middle section that conditionally restores
+ %gs. */
+
+static const struct tramp_frame i386_fbsd64_sigframe =
+{
+ SIGTRAMP_FRAME,
+ 1,
+ {
+ {0x8d, ULONGEST_MAX}, /* lea SIGF_UC(%esp),%eax */
+ {0x44, ULONGEST_MAX},
+ {0x24, ULONGEST_MAX},
+ {0x20, ULONGEST_MAX},
+ {0x50, ULONGEST_MAX}, /* pushl %eax */
+ {0xb8, ULONGEST_MAX}, /* movl $SYS_sigreturn,%eax */
+ {0xa1, ULONGEST_MAX},
+ {0x01, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x00, ULONGEST_MAX},
+ {0x50, ULONGEST_MAX}, /* pushl %eax */
+ {0xcd, ULONGEST_MAX}, /* int $0x80 */
+ {0x80, ULONGEST_MAX},
+ {TRAMP_SENTINEL_INSN, ULONGEST_MAX}
+ },
+ i386_fbsd_sigframe_init
};
/* Get XSAVE extended state xcr0 from core dump. */
/* FreeBSD uses -freg-struct-return by default. */
tdep->struct_return = reg_struct_return;
- tdep->sigtramp_p = i386fbsd_sigtramp_p;
-
- /* FreeBSD has a more complete `struct sigcontext'. */
- tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
- tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
+ tramp_frame_prepend_unwinder (gdbarch, &i386_fbsd_sigframe);
+ tramp_frame_prepend_unwinder (gdbarch, &i386_fbsd64_sigframe);
i386_elf_init_abi (info, gdbarch);
extern void i386bsd_init_abi (struct gdbarch_info, struct gdbarch *);
extern CORE_ADDR i386obsd_sigtramp_start_addr;
extern CORE_ADDR i386obsd_sigtramp_end_addr;
-extern int i386fbsd_sc_reg_offset[];
extern int i386obsd_sc_reg_offset[];
extern int i386bsd_sc_reg_offset[];
projects / binutils-gdb.git / commitdiff