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nuttx: Use text heap for executable memory (#1181)

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Based on nuttx patch "Add up_textheap_heapmember":
  https://github.com/apache/incubator-nuttx/pull/6306
This commit is contained in:
YAMAMOTO Takashi 2022-05-23 11:58:09 +09:00 committed by GitHub
parent 69c23aa2d4
commit 723a808106
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1 changed files with 16 additions and 0 deletions
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16
core/shared/platform/nuttx/nuttx_platform.c
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@ -6,6 +6,10 @@
#include "platform_api_extension.h"
#include "platform_api_vmcore.h"
#if defined(CONFIG_ARCH_USE_TEXT_HEAP)
#include <nuttx/arch.h>
#endif
int
bh_platform_init()
{
@ -37,6 +41,12 @@ os_free(void *ptr)
void *
os_mmap(void *hint, size_t size, int prot, int flags)
{
#if defined(CONFIG_ARCH_USE_TEXT_HEAP)
if ((prot & MMAP_PROT_EXEC) != 0) {
return up_textheap_memalign(sizeof(void *), size);
}
#endif
if ((uint64)size >= UINT32_MAX)
return NULL;
return malloc((uint32)size);
@ -45,6 +55,12 @@ os_mmap(void *hint, size_t size, int prot, int flags)
void
os_munmap(void *addr, size_t size)
{
#if defined(CONFIG_ARCH_USE_TEXT_HEAP)
if (up_textheap_heapmember(addr)) {
up_textheap_free(addr);
return;
}
#endif
return free(addr);
}