/* Target-dependent code for the i386.
- Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008
+ Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GDB.
int sc_sp_offset;
/* ISA-specific data types. */
+ struct type *i386_eflags_type;
+ struct type *i386_mxcsr_type;
struct type *i386_mmx_type;
struct type *i386_sse_type;
+ struct type *i387_ext_type;
+
+ /* Process record/replay target. */
+ /* The map for registers because the AMD64's registers order
+ in GDB is not same as I386 instructions. */
+ const int *record_regmap;
+ /* Parse intx80 args. */
+ int (*i386_intx80_record) (struct regcache *regcache);
+ /* Parse sysenter args. */
+ int (*i386_sysenter_record) (struct regcache *regcache);
+ /* Parse syscall args. */
+ int (*i386_syscall_record) (struct regcache *regcache);
};
/* Floating-point registers. */
/* Return non-zero if REGNUM matches the FP register and the FP
register set is active. */
-extern int i386_fp_regnum_p (int regnum);
-extern int i386_fpc_regnum_p (int regnum);
+extern int i386_fp_regnum_p (struct gdbarch *, int);
+extern int i386_fpc_regnum_p (struct gdbarch *, int);
/* Register numbers of various important registers. */
I386_ST0_REGNUM /* %st(0) */
};
+/* Register numbers of RECORD_REGMAP. */
+
+enum record_i386_regnum
+{
+ X86_RECORD_REAX_REGNUM,
+ X86_RECORD_RECX_REGNUM,
+ X86_RECORD_REDX_REGNUM,
+ X86_RECORD_REBX_REGNUM,
+ X86_RECORD_RESP_REGNUM,
+ X86_RECORD_REBP_REGNUM,
+ X86_RECORD_RESI_REGNUM,
+ X86_RECORD_REDI_REGNUM,
+ X86_RECORD_R8_REGNUM,
+ X86_RECORD_R9_REGNUM,
+ X86_RECORD_R10_REGNUM,
+ X86_RECORD_R11_REGNUM,
+ X86_RECORD_R12_REGNUM,
+ X86_RECORD_R13_REGNUM,
+ X86_RECORD_R14_REGNUM,
+ X86_RECORD_R15_REGNUM,
+ X86_RECORD_REIP_REGNUM,
+ X86_RECORD_EFLAGS_REGNUM,
+ X86_RECORD_CS_REGNUM,
+ X86_RECORD_SS_REGNUM,
+ X86_RECORD_DS_REGNUM,
+ X86_RECORD_ES_REGNUM,
+ X86_RECORD_FS_REGNUM,
+ X86_RECORD_GS_REGNUM,
+};
+
#define I386_NUM_GREGS 16
#define I386_NUM_FREGS 16
#define I386_NUM_XREGS 9
#define I386_MAX_REGISTER_SIZE 16
/* Types for i386-specific registers. */
-extern struct type *i386_eflags_type;
-extern struct type *i386_mxcsr_type;
-
+extern struct type *i386_eflags_type (struct gdbarch *gdbarch);
+extern struct type *i386_mxcsr_type (struct gdbarch *gdbarch);
extern struct type *i386_mmx_type (struct gdbarch *gdbarch);
extern struct type *i386_sse_type (struct gdbarch *gdbarch);
+extern struct type *i387_ext_type (struct gdbarch *gdbarch);
/* Segment selectors. */
#define I386_SEL_RPL 0x0003 /* Requester's Privilege Level mask. */
#define I386_SEL_UPL 0x0003 /* User Privilige Level. */
#define I386_SEL_KPL 0x0000 /* Kernel Privilige Level. */
+/* The length of the longest i386 instruction (according to
+ include/asm-i386/kprobes.h in Linux 2.6. */
+#define I386_MAX_INSN_LEN (16)
+
/* Functions exported from i386-tdep.c. */
-extern CORE_ADDR i386_pe_skip_trampoline_code (CORE_ADDR pc, char *name);
+extern CORE_ADDR i386_pe_skip_trampoline_code (struct frame_info *frame,
+ CORE_ADDR pc, char *name);
+extern CORE_ADDR i386_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR pc);
+
+/* Return whether the THIS_FRAME corresponds to a sigtramp routine. */
+extern int i386_sigtramp_p (struct frame_info *this_frame);
/* Return the name of register REGNUM. */
extern char const *i386_register_name (struct gdbarch * gdbarch, int regnum);
i386_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size);
+
+extern void i386_displaced_step_fixup (struct gdbarch *gdbarch,
+ struct displaced_step_closure *closure,
+ CORE_ADDR from, CORE_ADDR to,
+ struct regcache *regs);
+
/* Initialize a basic ELF architecture variant. */
extern void i386_elf_init_abi (struct gdbarch_info, struct gdbarch *);
/* Initialize a SVR4 architecture variant. */
extern void i386_svr4_init_abi (struct gdbarch_info, struct gdbarch *);
+
+extern int i386_process_record (struct gdbarch *gdbarch,
+ struct regcache *regcache, CORE_ADDR addr);
\f
/* Functions and variables exported from i386bsd-tdep.c. */