diff options
Diffstat (limited to 'testing/rng-tools/fix-textrels-on-PIC-x86.patch')
| -rw-r--r-- | testing/rng-tools/fix-textrels-on-PIC-x86.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/testing/rng-tools/fix-textrels-on-PIC-x86.patch b/testing/rng-tools/fix-textrels-on-PIC-x86.patch new file mode 100644 index 0000000000..88d0a7f905 --- /dev/null +++ b/testing/rng-tools/fix-textrels-on-PIC-x86.patch @@ -0,0 +1,50 @@ +--- rng-tools/rdrand_asm.S ++++ rng-tools/rdrand_asm.S +@@ -49,6 +49,7 @@ + ret + ENDPROC(x86_rdrand_nlong) + ++#define INIT_PIC() + #define SETPTR(var,ptr) leaq var(%rip),ptr + #define PTR0 %rdi + #define PTR1 %rsi +@@ -84,7 +85,16 @@ + ret + ENDPROC(x86_rdrand_nlong) + ++#if defined(__PIC__) ++#undef __i686 /* gcc builtin define gets in our way */ ++#define INIT_PIC() \ ++ call __i686.get_pc_thunk.bx ; \ ++ addl $_GLOBAL_OFFSET_TABLE_, %ebx ++#define SETPTR(var,ptr) leal (var)@GOTOFF(%ebx),ptr ++#else ++#define INIT_PIC() + #define SETPTR(var,ptr) movl $(var),ptr ++#endif + #define PTR0 %eax + #define PTR1 %edx + #define PTR2 %ecx +@@ -101,6 +111,7 @@ + movl 8(%ebp), %eax + movl 12(%ebp), %edx + #endif ++ INIT_PIC() + + SETPTR(aes_round_keys, PTR2) + +@@ -166,6 +177,17 @@ + #endif + ret + ENDPROC(x86_aes_mangle) ++ ++#if defined(__i386__) && defined(__PIC__) ++ .section .gnu.linkonce.t.__i686.get_pc_thunk.bx,"ax",@progbits ++.globl __i686.get_pc_thunk.bx ++ .hidden __i686.get_pc_thunk.bx ++ .type __i686.get_pc_thunk.bx,@function ++__i686.get_pc_thunk.bx: ++ movl (%esp), %ebx ++ ret ++#endif ++ |