Changed a lot of files. Summary: profiler support; "SafeFunction"; UnlockDeadLock kernel config; Code optimization & more

This commit is contained in:
Alex
2022-11-28 08:25:37 +02:00
parent 2fba834d41
commit 0289054900
62 changed files with 1462 additions and 558 deletions

View File

@ -5,37 +5,32 @@
#ifndef STACK_CHK_GUARD_VALUE
#if UINTPTR_MAX == UINT32_MAX
#define STACK_CHK_GUARD_VALUE 0x25F6CC8D
#define STACK_CHK_GUARD_VALUE 0xDEAD57AC
#else
#define STACK_CHK_GUARD_VALUE 0xBADFE2EC255A8572
#define STACK_CHK_GUARD_VALUE 0xDEAD57AC00000000
#endif
#endif
__attribute__((weak)) uintptr_t __stack_chk_guard = 0;
__attribute__((weak)) uintptr_t __stack_chk_guard_init(void)
__attribute__((weak, no_stack_protector)) uintptr_t __stack_chk_guard_init(void)
{
return STACK_CHK_GUARD_VALUE;
}
static void __attribute__((constructor, no_stack_protector)) __construct_stk_chk_guard()
extern __attribute__((constructor, no_stack_protector)) void __guard_setup(void)
{
debug("StackGuard: __guard_setup");
if (__stack_chk_guard == 0)
__stack_chk_guard = __stack_chk_guard_init();
}
// https://opensource.apple.com/source/xnu/xnu-1504.7.4/libkern/stack_protector.c.auto.html
// static void __guard_setup(void) __attribute__((constructor));
// static void __guard_setup(void)
// {
// read_random(__stack_chk_guard, sizeof(__stack_chk_guard));
// }
__attribute__((weak, noreturn, no_stack_protector)) void __stack_chk_fail(void)
{
TaskingPanic();
error("Stack smashing detected!");
for (short i = 0; i < 10; i++)
error("Stack smashing detected!");
debug("%#lx", __stack_chk_guard);
KPrint("\eFF0000Stack smashing detected!");
#if defined(__amd64__) || defined(__i386__)
while (1)
@ -49,7 +44,8 @@ __attribute__((weak, noreturn, no_stack_protector)) void __stack_chk_fail(void)
__attribute__((weak, noreturn, no_stack_protector)) void __chk_fail(void)
{
TaskingPanic();
error("Buffer overflow detected!");
for (short i = 0; i < 10; i++)
error("Buffer overflow detected!");
KPrint("\eFF0000Buffer overflow detected!");
#if defined(__amd64__) || defined(__i386__)
while (1)