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tests: Update os-wrappers-test to build on non-ELF platforms

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The !ELF case just avoids the weak link-fu that was added to support
sanitizers.

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>
This commit is contained in:
Jeremy Huddleston Sequoia 2023-01-27 23:51:20 -08:00
parent 276a28afd1
commit 04654ba7b5
1 changed files with 8 additions and 0 deletions
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8
tests/os-wrappers-test.c
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@ -47,6 +47,7 @@
static int fall_back;
#ifdef __ELF__
/* Play nice with sanitizers
*
* Sanitizers need to intercept syscalls in the compiler run-time library. As
@ -71,6 +72,13 @@ static int fall_back;
#define REAL(func) (__interceptor_ ## func) ? \
__interceptor_ ## func : \
(__typeof__(&__interceptor_ ## func))dlsym(RTLD_NEXT, #func)
#else
#define DECL(ret_type, func, ...) \
static ret_type (*real_ ## func)(__VA_ARGS__); \
static int wrapped_calls_ ## func;
#define REAL(func) (__typeof__(real_ ## func)) dlsym(RTLD_NEXT, #func)
#endif
DECL(int, socket, int, int, int);
DECL(int, fcntl, int, int, ...);