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add plat_mem_set_exec()

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This commit is contained in:
Grazvydas Ignotas
2013-06-28 01:41:09 +03:00
parent c2981fc0ee
commit 6282e17ef5
2 changed files with 11 additions and 0 deletions
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10
linux/plat.c
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@@ -200,6 +200,16 @@ void plat_munmap(void *ptr, size_t size)
}
}
int plat_mem_set_exec(void *ptr, size_t size)
{
int ret = mprotect(ptr, size, PROT_READ | PROT_WRITE | PROT_EXEC);
if (ret != 0)
fprintf(stderr, "mprotect(%p, %zd) failed: %d\n",
ptr, size, errno);
return ret;
}
/* lprintf */
void lprintf(const char *fmt, ...)
{

1
plat.h
View File

@@ -102,6 +102,7 @@ void plat_sleep_ms(int ms);
void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed);
void *plat_mremap(void *ptr, size_t oldsize, size_t newsize);
void plat_munmap(void *ptr, size_t size);
int plat_mem_set_exec(void *ptr, size_t size);
/* timers, to be used for time diff and must refer to the same clock */
unsigned int plat_get_ticks_ms(void);