nulltrap.c File Reference
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Functions | |
| __attribute__ ((noreturn, section(".text.null_trap"))) | |
Function Documentation
◆ __attribute__()
| __attribute__ | ( | (noreturn, section(".text.null_trap")) | ) |
Definition at line 4 of file nulltrap.c.
5 {
6 void *stack;
7
8 /* 128 bytes of NOPs; the idea of this is that if something
9 * dereferences a NULL pointer and overwrites us, we at least
10 * have some chance of still getting to execute the printf()
11 * statement.
12 */
45
48 __builtin_return_address ( 0 ), stack );
49 DBG_HD ( stack, 256 );
50 while ( 1 ) {}
51}
__asm__ __volatile__("call *%9" :"=a"(result), "=c"(discard_ecx), "=d"(discard_edx) :"d"(0), "a"(code), "b"(0), "c"(in_phys), "D"(0), "S"(out_phys), "m"(hypercall))
__asm__(".section \".rodata\", \"a\", " PROGBITS "\n\t" "\nprivate_key_data:\n\t" ".size private_key_data, ( . - private_key_data )\n\t" ".equ private_key_len, ( . - private_key_data )\n\t" ".previous\n\t")
References __asm__(), __volatile__(), DBG_HD, printf(), and section.
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