elf.h: add ELFCOMPRESS_ZSTD

[musl] / src / thread / x86_64 / syscall_cp.s

diff --git a/src/thread/x86_64/syscall_cp.s b/src/thread/x86_64/syscall_cp.s
index 1894ce1..4f10171 100644 (file)
--- a/src/thread/x86_64/syscall_cp.s
+++ b/src/thread/x86_64/syscall_cp.s
@@ -1,13 +1,21 @@
 .text
+.global __cp_begin
+.hidden __cp_begin
+.global __cp_end
+.hidden __cp_end
+.global __cp_cancel
+.hidden __cp_cancel
+.hidden __cancel
 .global __syscall_cp_asm
-.type   __syscall_cp_asm,%function
+.hidden __syscall_cp_asm
+.type   __syscall_cp_asm,@function
 __syscall_cp_asm:
-       lea 1f(%rip),%rax
-       mov %rax,8(%rdi)
-       mov %rsp,(%rdi)
-       mov 16(%rdi),%eax
+
+__cp_begin:
+       mov (%rdi),%eax
        test %eax,%eax
-       jnz 2f
+       jnz __cp_cancel
+       mov %rdi,%r11
        mov %rsi,%rax
        mov %rdx,%rdi
        mov %rcx,%rsi
@@ -15,10 +23,9 @@ __syscall_cp_asm:
        mov %r9,%r10
        mov 8(%rsp),%r8
        mov 16(%rsp),%r9
-1:     syscall
+       mov %r11,8(%rsp)
+       syscall
+__cp_end:
        ret
-2:     xor %edi,%edi
-       mov %rdi,8(%r10)
-       mov %rdi,(%r10)
-       dec %rdi
-       jmp pthread_exit
+__cp_cancel:
+       jmp __cancel