diff options
| author | Jason Thorpe <thorpej@netbsd.org> | 2002-05-26 22:27:01 +0000 |
|---|---|---|
| committer | Jason Thorpe <thorpej@netbsd.org> | 2002-05-26 22:27:01 +0000 |
| commit | 9110162d31351285a9daa8ef3a9b73b5a8beef15 (patch) | |
| tree | 935af6eca776183af70c0257b48ae9e1e06a58c9 /gdb/ns32k-tdep.c | |
| parent | ddcbc7c6acae54bbeda842a59dd06c474f57ebac (diff) | |
| download | gdb-9110162d31351285a9daa8ef3a9b73b5a8beef15.tar.gz | |
* ns32k-tdep.c (ns32k_call_dummy_words, sizeof_ns32k_call_dummy_words,
ns32k_fix_call_dummy): New.
* config/ns32k/tm-umax.h (CALL_DUMMY_WORDS): Define as
ns32k_call_dummy_words.
(SIZEOF_CALL_DUMMY_WORDS): Define as sizeof_ns32k_call_dummy_words.
(CALL_DUMMY, CALL_DUMMY_LENGTH, CALL_DUMMY_ADDR,
CALL_DUMMY_NARGS): Remove.
(FIX_CALL_DUMMY): Define as ns32k_fix_call_dummy.
Diffstat (limited to 'gdb/ns32k-tdep.c')
| -rw-r--r-- | gdb/ns32k-tdep.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/gdb/ns32k-tdep.c b/gdb/ns32k-tdep.c index 42c6456fabb..66bce73fec1 100644 --- a/gdb/ns32k-tdep.c +++ b/gdb/ns32k-tdep.c @@ -26,6 +26,7 @@ static int sign_extend (int value, int bits); static CORE_ADDR ns32k_get_enter_addr (CORE_ADDR); static int ns32k_localcount (CORE_ADDR enter_pc); +static void flip_bytes (void *, int); char * ns32k_register_name_32082 (int regno) @@ -203,7 +204,7 @@ sign_extend (int value, int bits) : value); } -void +static void flip_bytes (void *p, int count) { char tmp; @@ -395,8 +396,44 @@ ns32k_pop_frame (void) write_register (SP_REGNUM, fp + 8); flush_cached_frames (); } + +/* The NS32000 call dummy sequence: + + enter 0xff,0 82 ff 00 + jsr @0x00010203 7f ae c0 01 02 03 + adjspd 0x69696969 7f a5 01 02 03 04 + bpt f2 + + It is 16 bytes long. */ + +LONGEST ns32k_call_dummy_words[] = +{ + 0x7f00ff82, + 0x0201c0ae, + 0x01a57f03, + 0xf2040302 +}; +int sizeof_ns32k_call_dummy_words = sizeof (ns32k_call_dummy_words); + +#define NS32K_CALL_DUMMY_ADDR 5 +#define NS32K_CALL_DUMMY_NARGS 11 void +ns32k_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, + struct value **args, struct type *type, int gcc_p) +{ + int flipped; + + flipped = fun | 0xc0000000; + flip_bytes (&flipped, 4); + store_unsigned_integer (dummy + NS32K_CALL_DUMMY_ADDR, 4, flipped); + + flipped = - nargs * 4; + flip_bytes (&flipped, 4); + store_unsigned_integer (dummy + NS32K_CALL_DUMMY_NARGS, 4, flipped); +} + +void _initialize_ns32k_tdep (void) { tm_print_insn = print_insn_ns32k; |