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MKSYSDEBUG: conditionally compile more debug code

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This commit is contained in:
Arun Thomas 2011-09-16 14:57:49 +02:00
parent 90cde23c19
commit 92fa3189ab
5 changed files with 22 additions and 0 deletions
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6
kernel/arch/i386/exception.c
View File

@ -136,6 +136,7 @@ PRIVATE void inkernel_disaster(struct proc *saved_proc,
struct exception_frame * frame, struct ex_s *ep,
int is_nested)
{
#if USE_SYSDEBUG
if(ep) {
if (ep->msg == NULL || machine.processor < ep->minprocessor)
printf("\nIntel-reserved exception %d\n", frame->vector);
@ -177,6 +178,7 @@ PRIVATE void inkernel_disaster(struct proc *saved_proc,
/* in an early stage of boot process we don't have processes yet */
panic("exception in kernel while booting, no saved_proc yet");
#endif /* USE_SYSDEBUG */
}
/*===========================================================================*
@ -261,6 +263,7 @@ PUBLIC void exception_handler(int is_nested, struct exception_frame * frame)
panic("return from inkernel_disaster");
}
#if USE_SYSDEBUG
/*===========================================================================*
* proc_stacktrace_execute *
*===========================================================================*/
@ -303,13 +306,16 @@ PRIVATE void proc_stacktrace_execute(struct proc *whichproc, reg_t v_bp, reg_t p
}
printf("\n");
}
#endif /* USE_SYSDEBUG */
/*===========================================================================*
* proc_stacktrace *
*===========================================================================*/
PUBLIC void proc_stacktrace(struct proc *whichproc)
{
#if USE_SYSDEBUG
proc_stacktrace_execute(whichproc, whichproc->p_reg.fp, whichproc->p_reg.pc);
#endif /* USE_SYSDEBUG */
}
PUBLIC void enable_fpu_exception(void)

4
kernel/arch/i386/pre_init.c
View File

@ -19,7 +19,9 @@
#include "libexec.h"
#include <machine/multiboot.h>
#if USE_SYSDEBUG
#define MULTIBOOT_VERBOSE 1
#endif
/* FIXME: Share this define with kernel linker script */
#define MULTIBOOT_KERNEL_ADDR 0x00200000UL
@ -142,6 +144,7 @@ PRIVATE void mb_scroll_up(int lines)
PRIVATE void mb_print(char *str)
{
#if MULTIBOOT_VERBOSE
while (*str) {
if (*str == '\n') {
str++;
@ -157,6 +160,7 @@ PRIVATE void mb_print(char *str)
while (print_line >= MULTIBOOT_CONSOLE_LINES)
mb_scroll_up(1);
}
#endif /* MULTIBOOT_VERBOSE */
}
PRIVATE void mb_print_hex(u32_t value)

2
kernel/arch/i386/protect.c
View File

@ -366,6 +366,7 @@ for (rp = BEG_PROC_ADDR; rp < END_PROC_ADDR; ++rp) {
PUBLIC void printseg(char *banner, const int iscs, struct proc *pr,
const u32_t selector)
{
#if USE_SYSDEBUG
u32_t base, limit, index, dpl;
struct segdesc_s *desc;
@ -446,6 +447,7 @@ PUBLIC void printseg(char *banner, const int iscs, struct proc *pr,
printf("DPL %d\n", dpl);
return;
#endif /* USE_SYSDEBUG */
}
/*===========================================================================*

4
lib/libsys/Makefile
View File

@ -136,6 +136,10 @@ CPPFLAGS+= -DUSE_COVERAGE
CPPFLAGS+= -DUSE_LIVEUPDATE
.endif
.if ${USE_SYSDEBUG} != "no"
CPPFLAGS+= -DUSE_SYSDEBUG
.endif
CPPFLAGS.sched_start.c+= -I${MINIXSRCDIR}
.if (${CC} == "gcc") || (${CC} == "clang")

6
lib/libsys/stacktrace.c
View File

@ -34,6 +34,7 @@ typedef unsigned int reg_t;
void util_nstrcat(char *str, unsigned long number)
{
#if USE_SYSDEBUG
int n = 10, lead = 1;
char nbuf[12], *p;
p = nbuf;
@ -51,16 +52,21 @@ void util_nstrcat(char *str, unsigned long number)
*p++ = ' ';
*p++ = '\0';
strcat(str, nbuf);
#endif /* USE_SYSDEBUG */
}
void util_stacktrace(void)
{
#if USE_SYSDEBUG
FUNC_STACKTRACE(printf("0x%lx ", (unsigned long) pc));
printf("\n");
#endif /* USE_SYSDEBUG */
}
void util_stacktrace_strcat(char *str)
{
#if USE_SYSDEBUG
FUNC_STACKTRACE(util_nstrcat(str, pc));
#endif /* USE_SYSDEBUG */
}