EMTime/libopencm3
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add support for static constructors and destructors

Browse Source
This commit is contained in:
Nicolas Schodet
2013-03-19 17:53:07 +01:00
parent cba01fff5e
commit b2df978eae
14 changed files with 314 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
lib/cm3/vector.c
View File

@@ -29,6 +29,10 @@
/* Symbols exported by the linker script(s): */
extern unsigned _data_loadaddr, _data, _edata, _ebss, _stack;
typedef void (*funcp_t) (void);
extern funcp_t __preinit_array_start, __preinit_array_end;
extern funcp_t __init_array_start, __init_array_end;
extern funcp_t __fini_array_start, __fini_array_end;
void main(void);
void blocking_handler(void);
@@ -55,6 +59,7 @@ vector_table_t vector_table = {
void WEAK __attribute__ ((naked)) reset_handler(void)
{
volatile unsigned *src, *dest;
funcp_t *fp;
for (src = &_data_loadaddr, dest = &_data; dest < &_edata; src++, dest++)
*dest = *src;
@@ -62,11 +67,21 @@ void WEAK __attribute__ ((naked)) reset_handler(void)
while (dest < &_ebss)
*dest++ = 0;
/* Constructors. */
for (fp = &__preinit_array_start; fp < &__preinit_array_end; fp++)
(*fp)();
for (fp = &__init_array_start; fp < &__init_array_end; fp++)
(*fp)();
/* might be provided by platform specific vector.c */
pre_main();
/* Call the application's entry point. */
main();
/* Destructors. */
for (fp = &__fini_array_start; fp < &__fini_array_end; fp++)
(*fp)();
}
void blocking_handler(void)