fix RTLD_NEXT on x86_64

the return address was being truncated to 32 bits, preventing the
dlsym code from determining which module contains the calling code.

diff --git a/src/ldso/x86_64/dlsym.s b/src/ldso/x86_64/dlsym.s
index 4261145..3c16616 100644 (file)
--- a/src/ldso/x86_64/dlsym.s
+++ b/src/ldso/x86_64/dlsym.s
@@ -2,5 +2,5 @@
 .global dlsym
 .type dlsym,@function
 dlsym:
 .global dlsym
 .type dlsym,@function
 dlsym:

-       mov (%rsp),%edx
+       mov (%rsp),%rdx

        jmp __dlsym
        jmp __dlsym