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/*
* Copyright 2019 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <assert.h>
#include <emscripten/stack.h>
/* We had a regression where the stack position was not taking into account
* the data and bss. This test runs with 1024 byte stack which given that bug
* would put the end of the bss after the entire stack region */
#define BSS_BYTES (10 * 1024)
int static_data = 1;
int static_bss[BSS_BYTES];
int main(int argc, char* argv[]) {
int stack_var = 1;
int* data_address = &static_data;
int* bss_address = &static_bss[BSS_BYTES-1];
int* stack_address = &stack_var;
printf("data: %p bss: %p stack: %p\n", data_address, bss_address, stack_address);
// Stack can either come after BSS or before data (In debug builds we link
// with --stack-first).
int stack_first = emscripten_stack_get_end() == 0;
if (stack_first) {
assert(stack_address < data_address);
} else {
assert(stack_address > bss_address);
}
assert(bss_address > data_address);
printf("success.\n");
return 0;
}
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