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Add initial support for AT_RSEQ_* #122

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merged 1 commit into from
Jan 8, 2025
Merged

Add initial support for AT_RSEQ_* #122

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12 changes: 12 additions & 0 deletions elf/elf_loader.c
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,18 @@ void elf_run(uintptr_t entry_address, char *filename, int argc, char **argv, cha
d_aux->a_un.a_val = s_aux->a_un.a_val;
break;

#ifdef AT_RSEQ_FEATURE_SIZE
case AT_RSEQ_FEATURE_SIZE:
#endif
#ifdef AT_RSEQ_ALIGN
case AT_RSEQ_ALIGN:
#endif
#if defined(AT_RSEQ_FEATURE_SIZE) || defined(AT_RSEQ_ALIGN)
fprintf(stderr, "MAMBO: AT_RSEQ_* found! Repeatable sequences (rseq) are not currently supported!\n");
d_aux->a_un.a_val = s_aux->a_un.a_val;
break;
#endif

case AT_RANDOM: {
stack_strings -= 15;
memcpy(stack_strings, (void *)s_aux->a_un.a_val, 16);
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