/* Target-dependent code for GNU/Linux i386.
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GDB.
/* Supported register note sections. */
static struct core_regset_section i386_linux_regset_sections[] =
{
- { ".reg", 144 },
- { ".reg2", 108 },
- { ".reg-xfp", 512 },
+ { ".reg", 144, "general-purpose" },
+ { ".reg2", 108, "floating-point" },
+ { ".reg-xfp", 512, "extended floating-point" },
{ NULL, 0 }
};
regcache_cooked_write_unsigned (regcache, I386_LINUX_ORIG_EAX_REGNUM, -1);
}
-static struct linux_record_tdep i386_linux_record_tdep;
+/* Record all registers but IP register for process-record. */
+
+static int
+i386_all_but_ip_registers_record (struct regcache *regcache)
+{
+ if (record_arch_list_add_reg (regcache, I386_EAX_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_ECX_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_EDX_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_EBX_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_ESP_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_EBP_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_ESI_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_EDI_REGNUM))
+ return -1;
+ if (record_arch_list_add_reg (regcache, I386_EFLAGS_REGNUM))
+ return -1;
+
+ return 0;
+}
/* i386_canonicalize_syscall maps from the native i386 Linux set
of syscall ids into a canonical set of syscall ids used by
Return -1 if something wrong. */
+static struct linux_record_tdep i386_linux_record_tdep;
+
static int
i386_linux_intx80_sysenter_record (struct regcache *regcache)
{
return -1;
}
+ if (syscall_gdb == gdb_sys_sigreturn
+ || syscall_gdb == gdb_sys_rt_sigreturn)
+ {
+ if (i386_all_but_ip_registers_record (regcache))
+ return -1;
+ return 0;
+ }
+
ret = record_linux_system_call (syscall_gdb, regcache,
&i386_linux_record_tdep);
if (ret)
return 0;
}
+
+#define I386_LINUX_xstate 270
+#define I386_LINUX_frame_size 732
+
+int
+i386_linux_record_signal (struct gdbarch *gdbarch,
+ struct regcache *regcache,
+ enum target_signal signal)
+{
+ ULONGEST esp;
+
+ if (i386_all_but_ip_registers_record (regcache))
+ return -1;
+
+ if (record_arch_list_add_reg (regcache, I386_EIP_REGNUM))
+ return -1;
+
+ /* Record the change in the stack. */
+ regcache_raw_read_unsigned (regcache, I386_ESP_REGNUM, &esp);
+ /* This is for xstate.
+ sp -= sizeof (struct _fpstate); */
+ esp -= I386_LINUX_xstate;
+ /* 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))
+ return -1;
+
+ if (record_arch_list_add_end ())
+ return -1;
+
+ return 0;
+}
\f
static LONGEST
tdep->sc_num_regs = ARRAY_SIZE (i386_linux_sc_reg_offset);
set_gdbarch_process_record (gdbarch, i386_process_record);
+ set_gdbarch_process_record_signal (gdbarch, i386_linux_record_signal);
/* Initialize the i386_linux_record_tdep. */
/* These values are the size of the type that will be used in a system