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- Add another adhoc frame_size detection for stack trace.

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egcs manupilates stack pointer with 'subq/addq' rather than 'lha'.
- Surpress warnings
This commit is contained in:
simokawa 1999-04-16 12:04:39 +00:00
parent 8e8108fd3d
commit e77a756d21
1 changed files with 9 additions and 8 deletions
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17
sys/alpha/alpha/db_trace.c
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@ -25,12 +25,9 @@ struct alpha_proc {
static void
parse_proc(db_expr_t addr, struct alpha_proc* frame)
{
db_sym_t sym;
c_db_sym_t sym;
db_expr_t func;
db_expr_t junk, pc, limit;
int frame_size;
int reg_mask;
int got_frame;
frame->pcreg = -1;
frame->reg_mask = 0;
@ -50,7 +47,13 @@ parse_proc(db_expr_t addr, struct alpha_proc* frame)
ins.bits = *(u_int32_t*) pc;
if (ins.memory_format.opcode == op_lda
&& ins.memory_format.ra == 30) {
/* gcc 2.7 */
frame->frame_size += -ins.memory_format.offset;
} else if (ins.operate_lit_format.opcode == op_arit
&& ins.operate_lit_format.function == op_subq
&& ins.operate_lit_format.rs == 30) {
/* egcs */
frame->frame_size += ins.operate_lit_format.literal;
} else if (ins.memory_format.opcode == op_stq
&& ins.memory_format.rb == 30
&& ins.memory_format.ra != 31) {
@ -66,7 +69,6 @@ parse_proc(db_expr_t addr, struct alpha_proc* frame)
void
db_stack_trace_cmd(db_expr_t addr, boolean_t have_addr, db_expr_t count, char *modif)
{
struct alpha_proc proc;
db_addr_t callpc;
db_addr_t frame;
@ -82,10 +84,9 @@ db_stack_trace_cmd(db_expr_t addr, boolean_t have_addr, db_expr_t count, char *m
}
while (count--) {
u_int64_t *actframe;
char * name;
const char * name;
db_expr_t offset;
db_sym_t sym;
c_db_sym_t sym;
struct alpha_proc proc;
sym = db_search_symbol(callpc, DB_STGY_ANY, &offset);