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LibC: Move C++ABI functions to cxxabi.cpp, typecheck cxa_atexit

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Ben Wiederhake 2020-08-12 02:11:07 +02:00 • committed by Andreas Kling
parent 9d2d97a059
commit ff590db7e5
4 changed files with 21 additions and 22 deletions
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15
Libraries/LibC/cxxabi.cpp
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@ -28,13 +28,12 @@
#include <assert.h> #include <assert.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sys/internals.h>
//#define GLOBAL_DTORS_DEBUG //#define GLOBAL_DTORS_DEBUG
extern "C" { extern "C" {
typedef void (*AtExitFunction)(void*);
struct __exit_entry { struct __exit_entry {
AtExitFunction method; AtExitFunction method;
void* parameter; void* parameter;
@ -83,4 +82,16 @@ void __cxa_finalize(void* dso_handle)
} }
} }
[[noreturn]] void __cxa_pure_virtual()
{
ASSERT_NOT_REACHED();
}
extern u32 __stack_chk_guard;
u32 __stack_chk_guard = (u32)0xc6c7c8c9;
[[noreturn]] void __stack_chk_fail()
{
ASSERT_NOT_REACHED();
}
} // extern "C" } // extern "C"

16
Libraries/LibC/libcinit.cpp
View file

@ -40,20 +40,4 @@ void __libc_init()
__malloc_init(); __malloc_init();
__stdio_init(); __stdio_init();
} }
[[noreturn]] void __cxa_pure_virtual() __attribute__((weak));
[[noreturn]] void __cxa_pure_virtual()
{
ASSERT_NOT_REACHED();
}
extern u32 __stack_chk_guard;
u32 __stack_chk_guard = (u32)0xc6c7c8c9;
[[noreturn]] void __stack_chk_fail();
[[noreturn]] void __stack_chk_fail()
{
ASSERT_NOT_REACHED();
}
} }

5
Libraries/LibC/stdlib.cpp
View file

@ -40,6 +40,7 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <sys/internals.h>
#include <sys/mman.h> #include <sys/mman.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/wait.h> #include <sys/wait.h>
@ -197,10 +198,6 @@ __attribute__((warn_unused_result)) int __generate_unique_filename(char* pattern
extern "C" { extern "C" {
// Itanium C++ ABI methods defined in crt0.cpp
extern int __cxa_atexit(void (*function)(void*), void* paramter, void* dso_handle);
extern void __cxa_finalize(void* dso_handle);
void exit(int status) void exit(int status)
{ {
__cxa_finalize(nullptr); __cxa_finalize(nullptr);

7
Libraries/LibC/sys/internals.h
View file

@ -30,10 +30,17 @@
__BEGIN_DECLS __BEGIN_DECLS
typedef void (*AtExitFunction)(void*);
extern void __libc_init(); extern void __libc_init();
extern void __malloc_init(); extern void __malloc_init();
extern void __stdio_init(); extern void __stdio_init();
extern void _init(); extern void _init();
extern bool __environ_is_malloced; extern bool __environ_is_malloced;
int __cxa_atexit(AtExitFunction exit_function, void* parameter, void* dso_handle);
void __cxa_finalize(void* dso_handle);
[[noreturn]] void __cxa_pure_virtual() __attribute__((weak));
[[noreturn]] void __stack_chk_fail();
__END_DECLS __END_DECLS