2002-12-13 Jeff Johnston <jjohnstn@redhat.com>

[deliverable/binutils-gdb.git] / gdb / i386-tdep.h

diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 64af99d1e6690a58f4075f1bf1e817333c93a5d5..627cb0a974e7d6840bed6b9d049b0eab7132cd67 100644 (file)
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -65,15 +65,16 @@ struct gdbarch_tdep
   /* Convention for returning structures.  */
   enum struct_return struct_return;
 
-  /* Get saved PC for sigtramp.  */
-  CORE_ADDR (*sigtramp_saved_pc) (struct frame_info *);
-
   /* Address range where sigtramp lives.  */
   CORE_ADDR sigtramp_start;
   CORE_ADDR sigtramp_end;
 
-  /* Offset of saved PC in `struct sigcontext'.  */
+  /* Get address of sigcontext for sigtramp.  */
+  CORE_ADDR (*sigcontext_addr) (struct frame_info *);
+
+  /* Offset of saved PC and SP in `struct sigcontext'.  */
   int sc_pc_offset;
+  int sc_sp_offset;
 };
 
 /* Floating-point registers.  */
@@ -112,11 +113,10 @@ struct gdbarch_tdep
 /* FPU opcode, bottom eleven bits.  */
 #define FOP_REGNUM     (FPC_REGNUM + 7)
 
-/* Return non-zero if N corresponds to a FPU data registers.  */
-#define FP_REGNUM_P(n) (FP0_REGNUM <= (n) && (n) < FPC_REGNUM)
-
-/* Return non-zero if N corresponds to a FPU control register.  */
-#define FPC_REGNUM_P(n)        (FPC_REGNUM <= (n) && (n) < XMM0_REGNUM)
+/* 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);
 
 /* SSE registers.  */
 
@@ -127,17 +127,18 @@ struct gdbarch_tdep
 #define MXCSR_REGNUM \
   (XMM0_REGNUM + gdbarch_tdep (current_gdbarch)->num_xmm_regs)
 
-/* Return non-zero if N corresponds to a SSE data register.  */
-#define SSE_REGNUM_P(n) (XMM0_REGNUM <= (n) && (n) < MXCSR_REGNUM)
+/* Return non-zero if REGNUM matches the SSE register and the SSE
+   register set is active.  */
+extern int i386_sse_regnum_p (int regnum);
+extern int i386_mxcsr_regnum_p (int regnum);
 
 /* FIXME: kettenis/2001-11-24: Obsolete macro's.  */
 #define FCS_REGNUM FISEG_REGNUM
 #define FCOFF_REGNUM FIOFF_REGNUM
 #define FDS_REGNUM FOSEG_REGNUM
 #define FDOFF_REGNUM FOOFF_REGNUM
-#define IS_FP_REGNUM(n) FP_REGNUM_P (n)
-#define IS_FPU_CTRL_REGNUM(n) FPC_REGNUM_P (n)
-#define IS_SSE_REGNUM(n) SSE_REGNUM_P (n)
+#define IS_FP_REGNUM(n) i386_fp_regnum_p (n)
+#define IS_SSE_REGNUM(n) i386_sse_regnum_p (n)
 
 #define I386_NUM_GREGS 16
 #define I386_NUM_FREGS 16
@@ -156,16 +157,19 @@ struct gdbarch_tdep
 #define I386_SSE_SIZEOF_REGS   (I386_SIZEOF_GREGS + I386_SIZEOF_FREGS \
                                 + I386_SIZEOF_XREGS)
 
-/* Return the name of register REG.  */
-extern char *i386_register_name (int reg);
+/* Size of the largest register.  */
+#define I386_MAX_REGISTER_SIZE 16
+
+/* Functions exported from i386-tdep.c.  */
+extern CORE_ADDR i386_pe_skip_trampoline_code (CORE_ADDR pc, char *name);
+extern int i386_frameless_signal_p (struct frame_info *frame);
 
-/* Return the offset into the register array of the start of register
-   number REG.  */
-extern int i386_register_byte (int reg);
+/* Return the name of register REG.  */
+extern char const *i386_register_name (int reg);
 
-/* Return the number of bytes of storage in GDB's register array
-   occupied by register REG.  */
-extern int i386_register_raw_size (int reg);
+/* Return non-zero if REGNUM is a member of the specified group.  */
+extern int i386_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
+                                    struct reggroup *group);
 
 /* Initialize a basic ELF architecture variant.  */
 extern void i386_elf_init_abi (struct gdbarch_info, struct gdbarch *);
@@ -175,6 +179,7 @@ extern void i386_svr4_init_abi (struct gdbarch_info, struct gdbarch *);
 
 /* Functions exported from i386bsd-tdep.c.  */
 
-extern CORE_ADDR i386bsd_sigtramp_saved_pc (struct frame_info *frame);
+extern CORE_ADDR i386bsd_sigcontext_addr (struct frame_info *frame);
+extern void i386bsd_init_abi (struct gdbarch_info, struct gdbarch *);
 
 #endif /* i386-tdep.h */