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Combine INTERRUPT case with TRAP and SYSCALL.

This commit is contained in:
mycroft 1994-10-09 14:51:17 +00:00
parent f72ff16e5b
commit 2013b5f349
1 changed files with 13 additions and 20 deletions
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33
sys/arch/i386/i386/db_trace.c
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@ -23,7 +23,7 @@
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* $Id: db_trace.c,v 1.11 1994/10/09 14:37:54 mycroft Exp $
* $Id: db_trace.c,v 1.12 1994/10/09 14:51:17 mycroft Exp $
*/
#include <sys/param.h>
@ -144,35 +144,28 @@ db_nextframe(fp, ip, argp, is_trap)
db_get_value((int) &(*fp)->f_frame, 4, FALSE);
break;
case SYSCALL:
case TRAP: {
default: {
struct trapframe *tf;
/* The only argument to trap() or syscall() is the trapframe. */
tf = (struct trapframe *)argp;
db_printf("--- %s (number %d) ---\n",
is_trap == SYSCALL ? "syscall" : "trap",
is_trap == SYSCALL ? tf->tf_eax : tf->tf_trapno);
switch (is_trap) {
case TRAP:
db_printf("--- trap (number %d) ---\n", tf->tf_trapno);
break;
case SYSCALL:
db_printf("--- syscall (number %d) ---\n", tf->tf_eax);
break;
case INTERRUPT:
db_printf("--- interrupt ---\n");
break;
}
db_printsym(tf->tf_eip, DB_STGY_XTRN);
db_printf(":\n");
*fp = (struct i386_frame *)tf->tf_ebp;
*ip = (db_addr_t)tf->tf_eip;
break;
}
case INTERRUPT: {
struct intrframe *if;
/* We fudged the frame pointer in the interrupt handler so we
could do this. */
if = (struct intrframe *)argp;
db_printf("--- interrupt ---\n");
db_printsym(if->if_eip, DB_STGY_XTRN);
db_printf(":\n");
*fp = (struct i386_frame *)if->if_ebp;
*ip = (db_addr_t)if->if_eip;
break;
}
}
}