/* Target-dependent code for GNU/Linux i386.
- Copyright (C) 2000-2005, 2007-2012 Free Software Foundation, Inc.
+ Copyright (C) 2000-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "osabi.h"
#include "reggroups.h"
#include "dwarf2-frame.h"
-#include "gdb_string.h"
-
#include "i386-tdep.h"
#include "i386-linux-tdep.h"
#include "linux-tdep.h"
#include "xml-syscall.h"
#include "i387-tdep.h"
-#include "i386-xstate.h"
+#include "x86-xstate.h"
/* The syscall's XML filename for i386. */
#define XML_SYSCALL_FILENAME_I386 "syscalls/i386-linux.xml"
-#include "record.h"
+#include "record-full.h"
#include "linux-record.h"
-#include <stdint.h>
-
#include "features/i386/i386-linux.c"
#include "features/i386/i386-mmx-linux.c"
+#include "features/i386/i386-mpx-linux.c"
#include "features/i386/i386-avx-linux.c"
-
-/* Supported register note sections. */
-static struct core_regset_section i386_linux_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg2", 108, "floating-point" },
- { NULL, 0 }
-};
-
-static struct core_regset_section i386_linux_sse_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg-xfp", 512, "extended floating-point" },
- { NULL, 0 }
-};
-
-static struct core_regset_section i386_linux_avx_regset_sections[] =
-{
- { ".reg", 68, "general-purpose" },
- { ".reg-xstate", I386_XSTATE_MAX_SIZE, "XSAVE extended state" },
- { NULL, 0 }
-};
+#include "features/i386/i386-avx512-linux.c"
/* Return non-zero, when the register is in the corresponding register
group. Put the LINUX_ORIG_EAX register in the system group. */
static int
i386_all_but_ip_registers_record (struct regcache *regcache)
{
- if (record_arch_list_add_reg (regcache, I386_EAX_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EAX_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_ECX_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_ECX_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EDX_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EDX_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EBX_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EBX_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_ESP_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_ESP_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EBP_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EBP_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_ESI_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_ESI_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EDI_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EDI_REGNUM))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EFLAGS_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EFLAGS_REGNUM))
return -1;
return 0;
enum { i386_syscall_max = 499 };
if (syscall <= i386_syscall_max)
- return syscall;
+ return (enum gdb_syscall) syscall;
else
- return -1;
+ return gdb_sys_no_syscall;
}
/* Parse the arguments of current system call instruction and record
return ret;
/* Record the return value of the system call. */
- if (record_arch_list_add_reg (regcache, I386_EAX_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EAX_REGNUM))
return -1;
return 0;
static int
i386_linux_record_signal (struct gdbarch *gdbarch,
struct regcache *regcache,
- enum target_signal signal)
+ enum gdb_signal signal)
{
ULONGEST esp;
if (i386_all_but_ip_registers_record (regcache))
return -1;
- if (record_arch_list_add_reg (regcache, I386_EIP_REGNUM))
+ if (record_full_arch_list_add_reg (regcache, I386_EIP_REGNUM))
return -1;
/* Record the change in the stack. */
/* This is for frame_size.
sp -= sizeof (struct rt_sigframe); */
esp -= I386_LINUX_frame_size;
- if (record_arch_list_add_mem (esp,
- I386_LINUX_xstate + I386_LINUX_frame_size))
+ if (record_full_arch_list_add_mem (esp,
+ I386_LINUX_xstate + I386_LINUX_frame_size))
return -1;
- if (record_arch_list_add_end ())
+ if (record_full_arch_list_add_end ())
return -1;
return 0;
-1, -1, -1, -1, -1, -1, -1, -1,
-1,
-1, -1, -1, -1, -1, -1, -1, -1,
- 11 * 4 /* "orig_eax" */
+ -1, -1, -1, -1, /* MPX registers BND0 ... BND3. */
+ -1, -1, /* MPX registers BNDCFGU, BNDSTATUS. */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* k0 ... k7 (AVX512) */
+ -1, -1, -1, -1, -1, -1, -1, -1, /* zmm0 ... zmm7 (AVX512) */
+ 11 * 4, /* "orig_eax" */
};
/* Mapping between the general-purpose registers in `struct
/* Get XSAVE extended state xcr0 from core dump. */
uint64_t
-i386_linux_core_read_xcr0 (struct gdbarch *gdbarch,
- struct target_ops *target, bfd *abfd)
+i386_linux_core_read_xcr0 (bfd *abfd)
{
asection *xstate = bfd_get_section_by_name (abfd, ".reg-xstate");
uint64_t xcr0;
size_t size = bfd_section_size (abfd, xstate);
/* Check extended state size. */
- if (size < I386_XSTATE_AVX_SIZE)
- xcr0 = I386_XSTATE_SSE_MASK;
+ if (size < X86_XSTATE_AVX_SIZE)
+ xcr0 = X86_XSTATE_SSE_MASK;
else
{
char contents[8];
bfd *abfd)
{
/* Linux/i386. */
- uint64_t xcr0 = i386_linux_core_read_xcr0 (gdbarch, target, abfd);
- switch ((xcr0 & I386_XSTATE_AVX_MASK))
+ uint64_t xcr0 = i386_linux_core_read_xcr0 (abfd);
+
+ switch ((xcr0 & X86_XSTATE_ALL_MASK))
{
- case I386_XSTATE_AVX_MASK:
+ case X86_XSTATE_MPX_AVX512_MASK:
+ case X86_XSTATE_AVX512_MASK:
+ return tdesc_i386_avx512_linux;
+ case X86_XSTATE_MPX_MASK:
+ return tdesc_i386_mpx_linux;
+ case X86_XSTATE_AVX_MASK:
return tdesc_i386_avx_linux;
- case I386_XSTATE_SSE_MASK:
+ case X86_XSTATE_SSE_MASK:
return tdesc_i386_linux;
- case I386_XSTATE_X87_MASK:
+ case X86_XSTATE_X87_MASK:
return tdesc_i386_mmx_linux;
default:
break;
return tdesc_i386_mmx_linux;
}
+/* Similar to i386_supply_fpregset, but use XSAVE extended state. */
+
+static void
+i386_linux_supply_xstateregset (const struct regset *regset,
+ struct regcache *regcache, int regnum,
+ const void *xstateregs, size_t len)
+{
+ i387_supply_xsave (regcache, regnum, xstateregs);
+}
+
+/* Similar to i386_collect_fpregset, but use XSAVE extended state. */
+
+static void
+i386_linux_collect_xstateregset (const struct regset *regset,
+ const struct regcache *regcache,
+ int regnum, void *xstateregs, size_t len)
+{
+ i387_collect_xsave (regcache, regnum, xstateregs, 1);
+}
+
+/* Register set definitions. */
+
+static const struct regset i386_linux_xstateregset =
+ {
+ NULL,
+ i386_linux_supply_xstateregset,
+ i386_linux_collect_xstateregset
+ };
+
+/* Iterate over core file register note sections. */
+
+static void
+i386_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
+ iterate_over_regset_sections_cb *cb,
+ void *cb_data,
+ const struct regcache *regcache)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ cb (".reg", 68, &i386_gregset, NULL, cb_data);
+
+ if (tdep->xcr0 & X86_XSTATE_AVX)
+ cb (".reg-xstate", X86_XSTATE_SIZE (tdep->xcr0),
+ &i386_linux_xstateregset, "XSAVE extended state", cb_data);
+ else if (tdep->xcr0 & X86_XSTATE_SSE)
+ cb (".reg-xfp", 512, &i386_fpregset, "extended floating-point",
+ cb_data);
+ else
+ cb (".reg2", 108, &i386_fpregset, NULL, cb_data);
+}
+
/* Linux kernel shows PC value after the 'int $0x80' instruction even if
inferior is still inside the syscall. On next PTRACE_SINGLESTEP it will
finish the syscall but PC will not change.
which does not seem worth it. The same effect is achieved by patching that
'nop' instruction there instead. */
-struct displaced_step_closure *
+static struct displaced_step_closure *
i386_linux_displaced_step_copy_insn (struct gdbarch *gdbarch,
CORE_ADDR from, CORE_ADDR to,
struct regcache *regs)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
const struct target_desc *tdesc = info.target_desc;
- struct tdesc_arch_data *tdesc_data = (void *) info.tdep_info;
+ struct tdesc_arch_data *tdesc_data
+ = (struct tdesc_arch_data *) info.tdep_info;
const struct tdesc_feature *feature;
int valid_p;
i386_linux_record_tdep.size_flock = 16;
i386_linux_record_tdep.size_oldold_utsname = 45;
i386_linux_record_tdep.size_ustat = 20;
- i386_linux_record_tdep.size_old_sigaction = 140;
- i386_linux_record_tdep.size_old_sigset_t = 128;
+ i386_linux_record_tdep.size_old_sigaction = 16;
+ i386_linux_record_tdep.size_old_sigset_t = 4;
i386_linux_record_tdep.size_rlimit = 8;
i386_linux_record_tdep.size_rusage = 72;
i386_linux_record_tdep.size_timeval = 8;
i386_linux_record_tdep.size_old_gid_t = 2;
i386_linux_record_tdep.size_old_uid_t = 2;
i386_linux_record_tdep.size_fd_set = 128;
- i386_linux_record_tdep.size_dirent = 268;
- i386_linux_record_tdep.size_dirent64 = 276;
+ i386_linux_record_tdep.size_old_dirent = 268;
i386_linux_record_tdep.size_statfs = 64;
i386_linux_record_tdep.size_statfs64 = 84;
i386_linux_record_tdep.size_sockaddr = 16;
i386_linux_record_tdep.size_NFS_FHSIZE = 32;
i386_linux_record_tdep.size_knfsd_fh = 132;
i386_linux_record_tdep.size_TASK_COMM_LEN = 16;
- i386_linux_record_tdep.size_sigaction = 140;
+ i386_linux_record_tdep.size_sigaction = 20;
i386_linux_record_tdep.size_sigset_t = 8;
i386_linux_record_tdep.size_siginfo_t = 128;
i386_linux_record_tdep.size_cap_user_data_t = 12;
i386_linux_record_tdep.size_stack_t = 12;
i386_linux_record_tdep.size_off_t = i386_linux_record_tdep.size_long;
i386_linux_record_tdep.size_stat64 = 96;
- i386_linux_record_tdep.size_gid_t = 2;
- i386_linux_record_tdep.size_uid_t = 2;
+ i386_linux_record_tdep.size_gid_t = 4;
+ i386_linux_record_tdep.size_uid_t = 4;
i386_linux_record_tdep.size_PAGE_SIZE = 4096;
i386_linux_record_tdep.size_flock64 = 24;
i386_linux_record_tdep.size_user_desc = 16;
i386_linux_record_tdep.size_itimerspec
= i386_linux_record_tdep.size_timespec * 2;
i386_linux_record_tdep.size_mq_attr = 32;
- i386_linux_record_tdep.size_siginfo = 128;
i386_linux_record_tdep.size_termios = 36;
i386_linux_record_tdep.size_termios2 = 44;
i386_linux_record_tdep.size_pid_t = 4;
i386_linux_record_tdep.size_hayes_esp_config = 12;
i386_linux_record_tdep.size_size_t = 4;
i386_linux_record_tdep.size_iovec = 8;
+ i386_linux_record_tdep.size_time_t = 4;
/* These values are the second argument of system call "sys_ioctl".
They are obtained from Linux Kernel source. */
set_gdbarch_fetch_tls_load_module_address (gdbarch,
svr4_fetch_objfile_link_map);
- /* Install supported register note sections. */
- if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.avx"))
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_avx_regset_sections);
- else if (tdesc_find_feature (tdesc, "org.gnu.gdb.i386.sse"))
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_sse_regset_sections);
- else
- set_gdbarch_core_regset_sections (gdbarch, i386_linux_regset_sections);
-
+ /* Core file support. */
+ set_gdbarch_iterate_over_regset_sections
+ (gdbarch, i386_linux_iterate_over_regset_sections);
set_gdbarch_core_read_description (gdbarch,
i386_linux_core_read_description);
set_gdbarch_displaced_step_free_closure (gdbarch,
simple_displaced_step_free_closure);
set_gdbarch_displaced_step_location (gdbarch,
- displaced_step_at_entry_point);
+ linux_displaced_step_location);
/* Functions for 'catch syscall'. */
- set_xml_syscall_file_name (XML_SYSCALL_FILENAME_I386);
+ set_xml_syscall_file_name (gdbarch, XML_SYSCALL_FILENAME_I386);
set_gdbarch_get_syscall_number (gdbarch,
i386_linux_get_syscall_number);
-
- set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
initialize_tdesc_i386_linux ();
initialize_tdesc_i386_mmx_linux ();
initialize_tdesc_i386_avx_linux ();
+ initialize_tdesc_i386_mpx_linux ();
+ initialize_tdesc_i386_avx512_linux ();
}
projects / deliverable / binutils-gdb.git / blobdiff