Fennix/Kernel
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mem* check operations now tell where it failed

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This commit is contained in:
Alex 2023-02-15 07:14:18 +02:00
parent 0f1f66668b
commit 4506648cd6
Signed by untrusted user who does not match committer: enderice2
GPG Key ID: EACC3AD603BAB4DD
2 changed files with 19 additions and 24 deletions
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42
Library/Convert.cpp
View File

@ -5,6 +5,8 @@
#include <debug.h>
#include <cpu.hpp>
#include "../kernel.h"
EXTERNC int memcmp(const void *vl, const void *vr, size_t n)
{
const unsigned char *l = (unsigned char *)vl, *r = (unsigned char *)vr;
@ -609,25 +611,25 @@ EXTERNC __no_stack_protector void *__memcpy_chk(void *dest, const void *src, siz
#endif
if (unlikely(dest == NULL))
{
error("dest is NULL");
error("dest is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(src == NULL))
{
error("src is NULL");
error("src is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(len == 0))
{
error("len is 0");
error("len is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(slen == 0))
{
error("slen is 0");
error("slen is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
@ -658,8 +660,6 @@ EXTERNC __no_stack_protector void *__memcpy_chk(void *dest, const void *src, siz
return memcpy_unsafe(dest, src, len);
break;
}
error("Should not be here!");
CPU::Stop();
}
EXTERNC __no_stack_protector void *__memset_chk(void *dest, int val, size_t len, size_t slen)
@ -669,19 +669,19 @@ EXTERNC __no_stack_protector void *__memset_chk(void *dest, int val, size_t len,
#endif
if (unlikely(dest == NULL))
{
error("dest is NULL");
error("dest is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(len == 0))
{
error("len is 0");
error("len is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(slen == 0))
{
error("slen is 0");
error("slen is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
@ -712,8 +712,6 @@ EXTERNC __no_stack_protector void *__memset_chk(void *dest, int val, size_t len,
return memset_unsafe(dest, val, len);
break;
}
error("Should not be here!");
CPU::Stop();
}
EXTERNC __no_stack_protector void *__memmove_chk(void *dest, const void *src, size_t len, size_t slen)
@ -723,25 +721,25 @@ EXTERNC __no_stack_protector void *__memmove_chk(void *dest, const void *src, si
#endif
if (unlikely(dest == NULL))
{
error("dest is NULL");
error("dest is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(src == NULL))
{
error("src is NULL");
error("src is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(len == 0))
{
error("len is 0");
error("len is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(slen == 0))
{
error("slen is 0");
error("slen is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
@ -772,8 +770,6 @@ EXTERNC __no_stack_protector void *__memmove_chk(void *dest, const void *src, si
return memmove_unsafe(dest, src, len);
break;
}
error("Should not be here!");
CPU::Stop();
}
EXTERNC __no_stack_protector char *__strcat_chk(char *dest, const char *src, size_t slen)
@ -783,19 +779,19 @@ EXTERNC __no_stack_protector char *__strcat_chk(char *dest, const char *src, siz
#endif
if (unlikely(dest == NULL))
{
error("dest is NULL");
error("dest is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(src == NULL))
{
error("src is NULL");
error("src is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(slen == 0))
{
error("slen is 0");
error("slen is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
@ -812,19 +808,19 @@ EXTERNC __no_stack_protector char *__strcpy_chk(char *dest, const char *src, siz
#endif
if (unlikely(dest == NULL))
{
error("dest is NULL");
error("dest is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(src == NULL))
{
error("src is NULL");
error("src is NULL (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}
if (unlikely(slen == 0))
{
error("slen is 0");
error("slen is 0 (for %#lx %s)", __builtin_return_address(0), KernelSymbolTable ? KernelSymbolTable->GetSymbolFromAddress((uintptr_t)__builtin_return_address(0)) : "Unknown");
__convert_chk_fail();
}

1
Tasking/Task.cpp
View File

@ -31,7 +31,6 @@ NewLock(TaskingLock);
namespace Tasking
{
void Task::Schedule()
{
if (!StopScheduler)