static int
init_map(void)
{
if (exec_mem == NULL) {
void *writePtr, *execPtr;
if (AllocExecPages(EXEC_MAP_SIZE, &writePtr, &execPtr) == 0) {
exec_mem = (unsigned char *) execPtr;
write_mem = (unsigned char *) writePtr;
head = 0;
}
}
return (exec_mem != NULL);
}
int InitEntrypoints(void)
{
if (entrypointBufferExec == NULL) {
void *writeBuf, *execBuf;
if (AllocExecPages(STUB_ENTRY_SIZE * GENERATED_ENTRYPOINT_MAX,
&writeBuf, &execBuf) != 0) {
return -1;
}
entrypointBufferWrite = (uint8_t *) writeBuf;
entrypointBufferExec = (uint8_t *) execBuf;
#if defined(USE_ARMV7_ASM)
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
glvnd_byte_swap16((uint16_t *)STUB_TEMPLATE, sizeof(STUB_TEMPLATE) - 4);
#endif
#endif
}
return 0;
}