From d95ff52463e938db2662a9ca0d00f092a0799b44 Mon Sep 17 00:00:00 2001 From: pierre Date: Fri, 28 Sep 2012 13:52:02 +0000 Subject: [PATCH] Add PIC code git-svn-id: trunk@22496 - --- rtl/linux/sparc/cprt0.as | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/rtl/linux/sparc/cprt0.as b/rtl/linux/sparc/cprt0.as index 6d2447228f..dd36b020fe 100644 --- a/rtl/linux/sparc/cprt0.as +++ b/rtl/linux/sparc/cprt0.as @@ -9,16 +9,30 @@ _start: mov %g0, %fp sub %sp, 6*4, %sp +.ifdef PIC + /* Set %l7 to _GLOBAL_OFFSET_TABLE value */ + sethi %hi(_GLOBAL_OFFSET_TABLE_-8),%l7 + or %l7,%lo(_GLOBAL_OFFSET_TABLE_-4),%l7 + call FPC_GETGOT + nop +.endif + /* Extract the arguments and environment as encoded on the stack. The argument info starts after one register window (16 words) past the SP. */ ld [%sp+22*4], %o2 sethi %hi(operatingsystem_parameter_argc),%o1 or %o1,%lo(operatingsystem_parameter_argc),%o1 +.ifdef PIC + ld [%o1+%l7],%o1 +.endif st %o2, [%o1] add %sp, 23*4, %o0 sethi %hi(operatingsystem_parameter_argv),%o1 or %o1,%lo(operatingsystem_parameter_argv),%o1 +.ifdef PIC + ld [%o1+%l7],%o1 +.endif st %o0, [%o1] /* envp=(argc+1)*4+argv */ @@ -27,11 +41,17 @@ _start: add %o2, %o0, %o2 sethi %hi(operatingsystem_parameter_envp),%o1 or %o1,%lo(operatingsystem_parameter_envp),%o1 +.ifdef PIC + ld [%o1+%l7],%o1 +.endif st %o2, [%o1] /* Save initial stackpointer */ sethi %hi(__stkptr),%o1 or %o1,%lo(__stkptr),%o1 +.ifdef PIC + ld [%o1+%l7],%o1 +.endif st %sp, [%o1] /* reload the addresses for C startup code */ @@ -44,8 +64,17 @@ _start: sethi %hi(_init), %o3 sethi %hi(_fini), %o4 or %o0, %lo(PASCALMAIN), %o0 +.ifdef PIC + ld [%o0+%l7],%o0 +.endif or %o3, %lo(_init), %o3 +.ifdef PIC + ld [%o3+%l7],%o3 +.endif or %o4, %lo(_fini), %o4 +.ifdef PIC + ld [%o4+%l7],%o4 +.endif /* When starting a binary via the dynamic linker, %g1 contains the address of the shared library termination function, which will be