amd64-windows: memory args passed by pointer during function calls.

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

diff --git a/gdb/i386-tdep.h b/gdb/i386-tdep.h
index 88de54c4bde551d49797479444aa39895916b31a..f79a15de7c58c9877322bd763f51ec33d9d5f154 100644 (file)
--- a/gdb/i386-tdep.h
+++ b/gdb/i386-tdep.h
@@ -1,6 +1,6 @@
 /* Target-dependent code for the i386.
 
-   Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009
+   Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
 
    This file is part of GDB.
@@ -53,6 +53,20 @@ enum struct_return
   reg_struct_return            /* Return "short" structures in registers.  */
 };
 
+/* Register classes as defined in the AMD x86-64 psABI.  */
+
+enum amd64_reg_class
+{
+  AMD64_INTEGER,
+  AMD64_SSE,
+  AMD64_SSEUP,
+  AMD64_X87,
+  AMD64_X87UP,
+  AMD64_COMPLEX_X87,
+  AMD64_NO_CLASS,
+  AMD64_MEMORY
+};
+
 /* i386 architecture specific information.  */
 struct gdbarch_tdep
 {
@@ -62,6 +76,25 @@ struct gdbarch_tdep
   int gregset_num_regs;
   size_t sizeof_gregset;
 
+  /* The general-purpose registers used to pass integers when making
+     function calls.  This only applies to amd64, as all parameters
+     are passed through the stack on x86.  */
+  int call_dummy_num_integer_regs;
+  int *call_dummy_integer_regs;
+
+  /* Classify TYPE according to calling conventions, and store
+     the result in CLASS.  Used on amd64 only.  */
+  void (*classify) (struct type *type, enum amd64_reg_class class[2]);
+
+  /* Non-zero if the first few MEMORY arguments should be passed by
+     pointer.
+
+     More precisely, MEMORY arguments are passed through the stack.
+     But certain architectures require that their address be passed
+     by register as well, if there are still some integer registers
+     available for argument passing.  */
+  int memory_args_by_pointer;
+
   /* Floating-point registers.  */
   struct regset *fpregset;
   size_t sizeof_fpregset;
@@ -104,14 +137,22 @@ struct gdbarch_tdep
   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.  */
@@ -148,6 +189,36 @@ enum i386_regnum
   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
@@ -159,11 +230,11 @@ enum i386_regnum
 #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.  */
@@ -175,7 +246,8 @@ extern struct type *i386_sse_type (struct gdbarch *gdbarch);
 #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.  */