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$NetBSD: patch-rts_StgCRun.c,v 1.1 2013/12/12 12:47:17 obache Exp $
We have to make the visiblity of StgRun and StgReturn to "hidden" not
to trigger a bug in old binutils which results in:
ld: rts/dist/build/RtsStartup.dyn_o: relocation R_X86_64_PC32
against `StgRun' can not be used when making a shared object;
recompile with -fPIC
With this workaround we can no longer override those two symbols using
LD_PRELOAD, but I think there is no reason to do so anyway.
--- rts/StgCRun.c.orig 2013-01-27 13:21:52.000000000 +0000
+++ rts/StgCRun.c
@@ -246,6 +246,7 @@ StgRunIsImplementedInAssembler(void)
* save callee-saves registers on behalf of the STG code.
*/
".globl " STG_RUN "\n"
+ ".hidden " STG_RUN "\n"
STG_RUN ":\n\t"
"subq %1, %%rsp\n\t"
"movq %%rsp, %%rax\n\t"
@@ -280,6 +281,7 @@ StgRunIsImplementedInAssembler(void)
"jmp *%%rax\n\t"
".globl " STG_RETURN "\n"
+ ".hidden " STG_RETURN "\n"
STG_RETURN ":\n\t"
"movq %%rbx, %%rax\n\t" /* Return value in R1 */
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