diff options
Diffstat (limited to 'src/ldso/x32/start.s')
| -rw-r--r-- | src/ldso/x32/start.s | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/ldso/x32/start.s b/src/ldso/x32/start.s deleted file mode 100644 index 3c3800aa..00000000 --- a/src/ldso/x32/start.s +++ /dev/null @@ -1,24 +0,0 @@ -.text -.global _dlstart -_dlstart: - mov (%rsp),%rdi /* move argc into 1st argument slot */ - lea 4(%rsp),%rsi /* move argv into 2nd argument slot */ - call __dynlink - /* in case the dynlinker was called directly, it sets the "consumed" - argv values to -1. so we must loop over the array as long as -1 - is in the top argv slot, decrement argc, and then set the stackpointer - to the new argc as well as argc's new value. - as the x32 abi has longs in the argv array, we cannot use push/pop.*/ - movl (%rsp),%edi /* copy argc into edi */ - xor %rdx,%rdx /* we use rdx as an offset to the current argv member */ -1: dec %edi - addl $4, %edx - movl (%rsp, %rdx), %esi - cmp $-1,%esi - jz 1b - inc %edi - subl $4, %edx - lea (%rsp, %rdx), %rsp /* set rsp to new argv[-1] */ - movl %edi, (%rsp) /* write new argc there */ - xor %edx,%edx - jmp *%rax |