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use explicit visibility to optimize a few hot-path function calls
[musl]
/
src
/
ldso
/
x86_64
/
start.s
diff --git
a/src/ldso/x86_64/start.s
b/src/ldso/x86_64/start.s
index
cb0a9e1
..
80c1d08
100644
(file)
--- a/
src/ldso/x86_64/start.s
+++ b/
src/ldso/x86_64/start.s
@@
-3,7
+3,14
@@
_start:
mov (%rsp),%rdi
lea 8(%rsp),%rsi
_start:
mov (%rsp),%rdi
lea 8(%rsp),%rsi
- lea _GLOBAL_OFFSET_TABLE_(%rip),%rdx
call __dynlink
call __dynlink
+ pop %rdi
+1: dec %edi
+ pop %rsi
+ cmp $-1,%rsi
+ jz 1b
+ inc %edi
+ push %rsi
+ push %rdi
xor %edx,%edx
jmp *%rax
xor %edx,%edx
jmp *%rax