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- Log -----------------------------------------------------------------
commit ecbde5de56c6f7260afcaab0ad10b92295ba6bc7
Author: Falco Girgis <gyr...@gm...>
Date: Wed Jun 5 14:09:56 2024 -0500
Resolved symbols when using LTO w/o -fno-builtins (#560)
- LTO without -fno-builtins in the environ.sh has been broken for awhile
- A slew of unresolved symbol errors are reported at linker time
- Had to manually include them within libkallisti.a via adding the
__used pragma to their definitions.
- Confirmed to resolve the issue with GCC-14.1.0.
-----------------------------------------------------------------------
Summary of changes:
kernel/libc/koslib/assert.c | 4 ++--
kernel/libc/newlib/newlib_exit.c | 2 +-
kernel/libc/newlib/newlib_malloc.c | 13 ++++++++-----
3 files changed, 11 insertions(+), 8 deletions(-)
diff --git a/kernel/libc/koslib/assert.c b/kernel/libc/koslib/assert.c
index 5bf4f618..f566e4be 100644
--- a/kernel/libc/koslib/assert.c
+++ b/kernel/libc/koslib/assert.c
@@ -45,11 +45,11 @@ assert_handler_t assert_set_handler(assert_handler_t hnd) {
return rv;
}
-void __assert(const char *file, int line, const char *expr, const char *msg, const char *func) {
+__used void __assert(const char *file, int line, const char *expr, const char *msg, const char *func) {
if(a_hnd != NULL)
a_hnd(file, line, expr, msg, func);
}
-void __assert_func(const char *file, int line, const char *func, const char *expr) {
+__used void __assert_func(const char *file, int line, const char *func, const char *expr) {
__assert(file, line, expr, NULL, func);
}
diff --git a/kernel/libc/newlib/newlib_exit.c b/kernel/libc/newlib/newlib_exit.c
index c8379532..a2d8a56c 100644
--- a/kernel/libc/newlib/newlib_exit.c
+++ b/kernel/libc/newlib/newlib_exit.c
@@ -21,7 +21,7 @@ static void kos_shutdown(void) {
KOS_INIT_FLAG_WEAK(kos_shutdown, true);
-void _exit(int code) {
+__used void _exit(int code) {
ret_code = code;
KOS_INIT_FLAG_CALL(kos_shutdown);
diff --git a/kernel/libc/newlib/newlib_malloc.c b/kernel/libc/newlib/newlib_malloc.c
index e97bc2a9..ec16315b 100644
--- a/kernel/libc/newlib/newlib_malloc.c
+++ b/kernel/libc/newlib/newlib_malloc.c
@@ -1,7 +1,7 @@
/* KallistiOS ##version##
newlib_malloc.c
- Copyright (C)2004 Megan Potter
+ Copyright (C) 2004 Megan Potter
*/
@@ -10,19 +10,22 @@
// We have to provide these for Newlib's reent pieces.
-void _free_r(struct _reent * re, void *ptr) {
+__used void _free_r(struct _reent *re, void *ptr) {
(void)re;
free(ptr);
}
-void * _malloc_r(struct _reent * re, size_t amt) {
+
+__used void *_malloc_r(struct _reent *re, size_t amt) {
(void)re;
return malloc(amt);
}
-void * _calloc_r(struct _reent * re, size_t nmemb, size_t size) {
+
+__used void *_calloc_r(struct _reent *re, size_t nmemb, size_t size) {
(void)re;
return calloc(nmemb, size);
}
-void * _realloc_r(struct _reent * re, void * ptr, size_t size) {
+
+__used void *_realloc_r(struct _reent *re, void *ptr, size_t size) {
(void)re;
return realloc(ptr, size);
}
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