diff options
Diffstat (limited to 'gdb/config')
| -rw-r--r-- | gdb/config/mips/tm-mips.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h index ace22ac..aa595f5 100644 --- a/gdb/config/mips/tm-mips.h +++ b/gdb/config/mips/tm-mips.h @@ -114,8 +114,23 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *)); #define INNER_THAN < #define BIG_ENDIAN 4321 + +/* Old-style breakpoint macros. */ + #define BIG_BREAKPOINT {0, 0x5, 0, 0xd} #define LITTLE_BREAKPOINT {0xd, 0, 0x5, 0} +#define MIPS16_BIG_BREAKPOINT {0xe8, 0xa5} +#define MIPS16_LITTLE_BREAKPOINT {0xa5, 0xe8} + +/* BREAKPOINT_FROM_PC uses the program counter value to determine whether a + 16- or 32-bit breakpoint should be used. It returns a pointer + to a string of bytes that encode a breakpoint instruction, stores + the length of the string to *lenptr, and adjusts the pc (if necessary) to + point to the actual memory location where the breakpoint should be + inserted. */ + +unsigned char *mips_breakpoint_from_pc PARAMS ((CORE_ADDR *pcptr, int *lenptr)); +#define BREAKPOINT_FROM_PC(pcptr, lenptr) mips_breakpoint_from_pc(pcptr, lenptr) /* Amount PC must be decremented by after a breakpoint. This is often the number of bytes in BREAKPOINT @@ -125,7 +140,8 @@ extern int in_sigtramp PARAMS ((CORE_ADDR, char *)); /* Nonzero if instruction at PC is a return instruction. "j ra" on mips. */ -#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 4) == 0x3e00008) +int mips_about_to_return PARAMS ((CORE_ADDR pc)); +#define ABOUT_TO_RETURN(pc) mips_about_to_return (pc) /* 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 |