diff options
Diffstat (limited to 'gdb/tm-mips.h')
| -rw-r--r-- | gdb/tm-mips.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gdb/tm-mips.h b/gdb/tm-mips.h index bd0bebb..8fe1993 100644 --- a/gdb/tm-mips.h +++ b/gdb/tm-mips.h @@ -1,5 +1,5 @@ /* Definitions to make GDB run on a mips box under 4.3bsd. - Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc. + Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. Contributed by Per Bothner (bothner@cs.wisc.edu) at U.Wisconsin and by Alessandro Forin (af@cs.cmu.edu) at CMU. @@ -121,6 +121,7 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ but do serve to get the desired values when passed to read_register. */ #define ZERO_REGNUM 0 /* read-only register, always 0 */ +#define A0_REGNUM 4 /* Lo of first arg during a subr call */ #define SP_REGNUM 29 /* Contains address of top of stack */ #define RA_REGNUM 31 /* Contains return address value */ #define PS_REGNUM 32 /* Contains processor status */ @@ -346,3 +347,16 @@ typedef struct mips_extra_func_info { #define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) #define STAB_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32) + +/* Size of elements in jmpbuf */ + +#define JB_ELEMENT_SIZE 4 + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + argument regs. a0 (CALL_ARG0) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +/* Note that caller must #include <setjmp.h> in order to get def of JB_* */ +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) |