diff options
Diffstat (limited to 'gdb/config/i386/tm-i386.h')
| -rw-r--r-- | gdb/config/i386/tm-i386.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/gdb/config/i386/tm-i386.h b/gdb/config/i386/tm-i386.h index 0ea151b4a14..8ec3d4de852 100644 --- a/gdb/config/i386/tm-i386.h +++ b/gdb/config/i386/tm-i386.h @@ -32,249 +32,11 @@ struct frame_saved_regs; struct value; struct type; -/* Offset from address of function to start of its code. - Zero on most machines. */ - -#define FUNCTION_START_OFFSET 0 - -/* Advance PC across any function entry prologue instructions to reach some - "real" code. */ - -#define SKIP_PROLOGUE(frompc) (i386_skip_prologue (frompc)) - -extern int i386_skip_prologue (int); - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* Sequence of bytes for breakpoint instruction. */ - -#define BREAKPOINT {0xcc} - -/* Amount PC must be decremented by after a breakpoint. This is often the - number of bytes in BREAKPOINT but not always. */ - -#define DECR_PC_AFTER_BREAK 1 - -/* Say how long (ordinary) registers are. This is a piece of bogosity - used in push_word and a few other places; REGISTER_RAW_SIZE is the - real way to know how big a register is. */ - -#define REGISTER_SIZE 4 - -/* This register file is parameterized by two macros: - HAVE_I387_REGS --- register file should include i387 registers - HAVE_SSE_REGS --- register file should include SSE registers - If HAVE_SSE_REGS is #defined, then HAVE_I387_REGS must also be #defined. - - However, GDB code should not test those macros with #ifdef, since - that makes code which is annoying to multi-arch. Instead, GDB code - should check the values of NUM_GREGS, NUM_FREGS, and NUM_SSE_REGS, - which will eventually get mapped onto architecture vector entries. - - It's okay to use the macros in tm-*.h files, though, since those - files will get completely replaced when we multi-arch anyway. */ - -/* Number of general registers, present on every 32-bit x86 variant. */ -#define NUM_GREGS (16) - -/* Number of floating-point unit registers. */ -#ifdef HAVE_I387_REGS -#define NUM_FREGS (16) -#else -#define NUM_FREGS (0) -#endif - -/* Number of SSE registers. */ -#ifdef HAVE_SSE_REGS -#define NUM_SSE_REGS (9) -#else -#define NUM_SSE_REGS (0) -#endif - -/* Largest number of registers we could have in any configuration. */ -#define MAX_NUM_REGS (16 + 16 + 9 + 1) - -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - to be actual register numbers as far as the user is concerned - but do serve to get the desired values when passed to read_register. */ - -#define FP_REGNUM 5 /* (ebp) Contains address of executing stack - frame */ -#define SP_REGNUM 4 /* (usp) Contains address of top of stack */ -#define PC_REGNUM 8 /* (eip) Contains program counter */ -#define PS_REGNUM 9 /* (ps) Contains processor status */ - -/* First FPU data register. */ -#ifdef HAVE_I387_REGS -#define FP0_REGNUM 16 -#else -#define FP0_REGNUM 0 -#endif - - -/* Largest value REGISTER_RAW_SIZE can have. */ -#define MAX_REGISTER_RAW_SIZE 16 - -/* Return the size in bytes of the virtual type of register REG. */ -#define REGISTER_VIRTUAL_SIZE(reg) i386_register_virtual_size ((reg)) -extern int i386_register_virtual_size (int reg); - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ -#define MAX_REGISTER_VIRTUAL_SIZE 16 - -/* Return the GDB type object for the "standard" data type of data in - register REGNUM. */ - -#define REGISTER_VIRTUAL_TYPE(regnum) i386_register_virtual_type (regnum) -extern struct type *i386_register_virtual_type (int regnum); - -/* Return true iff register REGNUM's virtual format is different from - its raw format. */ - -#define REGISTER_CONVERTIBLE(regnum) i386_register_convertible (regnum) -extern int i386_register_convertible (int regnum); - -/* Convert data from raw format for register REGNUM in buffer FROM to - virtual format with type TYPE in buffer TO. */ - -#define REGISTER_CONVERT_TO_VIRTUAL(regnum, type, from, to) \ - i386_register_convert_to_virtual ((regnum), (type), (from), (to)) -extern void i386_register_convert_to_virtual (int regnum, struct type *type, - char *from, char *to); - -/* Convert data from virtual format with type TYPE in buffer FROM to - raw format for register REGNUM in buffer TO. */ - -#define REGISTER_CONVERT_TO_RAW(type, regnum, from, to) \ - i386_register_convert_to_raw ((type), (regnum), (from), (to)) -extern void i386_register_convert_to_raw (struct type *type, int regnum, - char *from, char *to); - /* Print out the i387 floating point state. */ -#ifdef HAVE_I387_REGS extern void i387_float_info (void); #define FLOAT_INFO { i387_float_info (); } -#endif - - -#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ - i386_push_arguments ((nargs), (args), (sp), (struct_return), (struct_addr)) -extern CORE_ADDR i386_push_arguments (int nargs, struct value **args, - CORE_ADDR sp, int struct_return, - CORE_ADDR struct_addr); - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function. */ - -#define STORE_STRUCT_RETURN(addr, sp) \ - i386_store_struct_return ((addr), (sp)) -extern void i386_store_struct_return (CORE_ADDR addr, CORE_ADDR sp); - -/* Extract from an array REGBUF containing the (raw) register state - a function return value of type TYPE, and copy that, in virtual format, - into VALBUF. */ - -#define DEPRECATED_EXTRACT_RETURN_VALUE(type, regbuf, valbuf) \ - i386_extract_return_value ((type), (regbuf), (valbuf)) -extern void i386_extract_return_value (struct type *type, char *regbuf, - char *valbuf); - -/* Write into the appropriate registers a function return value stored - in VALBUF of type TYPE, given in virtual format. */ - -#define STORE_RETURN_VALUE(type, valbuf) \ - i386_store_return_value ((type), (valbuf)) -extern void i386_store_return_value (struct type *type, char *valbuf); - -/* Extract from an array REGBUF containing the (raw) register state - the address in which a function should return its structure value, - as a CORE_ADDR. */ - -#define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regbuf) \ - i386_extract_struct_value_address ((regbuf)) -extern CORE_ADDR i386_extract_struct_value_address (char *regbuf); - -/* Determine whether the function invocation represented by FRAME does - not have a from on the stack associated with it. If it does not, - return non-zero, otherwise return zero. */ - -#define FRAMELESS_FUNCTION_INVOCATION(frame) \ - i386_frameless_function_invocation (frame) -extern int i386_frameless_function_invocation (struct frame_info *frame); - -#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) - -#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) - -/* Return number of args passed to a frame. Can return -1, meaning no way - to tell, which is typical now that the C compiler delays popping them. */ - -#define FRAME_NUM_ARGS(fi) (i386_frame_num_args(fi)) - -extern int i386_frame_num_args (struct frame_info *); - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 8 - -/* Put here the code to store, into a struct frame_saved_regs, - the addresses of the saved registers of frame described by FRAME_INFO. - This includes special registers such as pc and fp saved in special - ways in the stack frame. sp is even more special: - the address we return for it IS the sp for the next frame. */ - -extern void i386_frame_init_saved_regs (struct frame_info *); -#define FRAME_INIT_SAVED_REGS(FI) i386_frame_init_saved_regs (FI) - - - -/* Things needed for making the inferior call functions. */ - -/* "An argument's size is increased, if necessary, to make it a - multiple of [32 bit] words. This may require tail padding, - depending on the size of the argument" - from the x86 ABI. */ -#define PARM_BOUNDARY 32 - -/* Push an empty stack frame, to record the current PC, etc. */ - -#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); } - -extern void i386_push_dummy_frame (void); - -/* Discard from the stack the innermost frame, restoring all registers. */ - -#define POP_FRAME { i386_pop_frame (); } - -extern void i386_pop_frame (void); -/* this is - * call 11223344 (32 bit relative) - * int3 - */ - -#define CALL_DUMMY { 0x223344e8, 0xcc11 } - -#define CALL_DUMMY_LENGTH 8 - -#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ - -#define CALL_DUMMY_BREAKPOINT_OFFSET 5 - -/* Insert the specified number of args and function address - into a call sequence of the above form stored at DUMMYNAME. */ - -#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ - i386_fix_call_dummy (dummyname, pc, fun, nargs, args, type, gcc_p) -extern void i386_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, - int nargs, struct value **args, - struct type *type, int gcc_p); - /* FIXME: kettenis/2000-06-12: These do not belong here. */ extern void print_387_control_word (unsigned int); extern void print_387_status_word (unsigned int); |