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https://github.com/Zenithsiz/ftmemsim-valgrind.git
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36 lines
1002 B
C
36 lines
1002 B
C
/* This test used to cause an assertion in the address space manager */
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__attribute__((noinline))
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static void inner(void)
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{
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/* Set other registers to apriori known values. */
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__asm__ __volatile__(
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"movl $0x101, %%eax\n"
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"movl $0x102, %%ebx\n"
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"movl $0x103, %%ecx\n"
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"movl $0x104, %%edx\n"
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"movl $0x105, %%esi\n"
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"movl $0x106, %%edi\n"
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// not %ebp as mdb is then not able to reconstruct stack trace
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// clobbering %esp is really bad, but that is kind of the point
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// we don't add it to the clobber list since gcc9 warns about that
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"movl $0x108, %%esp\n"
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"movl $0x1234, (%%eax)\n" // should cause SEGV here
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"ud2" // should never get here
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: // no output registers
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: // no input registers
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: "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi");
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}
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__attribute__((noinline))
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static void outer(void)
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{
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inner();
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}
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int main(int argc, const char *argv[])
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{
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outer();
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return 0;
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}
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