/* Target-dependent code for the i386.
- Copyright (C) 2001-2004, 2006-2012 Free Software Foundation, Inc.
+ Copyright (C) 2001-2013 Free Software Foundation, Inc.
This file is part of GDB.
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
{
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;
-
- /* Used on amd64 only. Classify TYPE according to calling conventions,
- and store the result in CLASS. */
- void (*classify) (struct type *type, enum amd64_reg_class class[2]);
-
- /* Used on amd64 only. 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;
-
- /* Used on amd64 only.
-
- If non-zero, then the callers of a function are expected to reserve
- some space in the stack just before the area where the PC is saved
- so that the callee may save the integer-parameter registers there.
- The amount of space is dependent on the list of registers used for
- integer parameter passing (see component call_dummy_num_integer_regs
- above). */
- int integer_param_regs_saved_in_caller_frame;
-
/* Floating-point registers. */
struct regset *fpregset;
size_t sizeof_fpregset;