From ed4c99394440533818babac9b8ba602e666ded7c Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 8 Oct 2013 20:59:47 +0200 Subject: [PATCH] m68k: use PIC for Scrt1.o --- ports/ChangeLog.m68k | 4 ++++ ports/sysdeps/m68k/start.S | 21 +++++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k index 4f933c6..5bcd945 100644 --- a/ports/ChangeLog.m68k +++ b/ports/ChangeLog.m68k @@ -1,3 +1,7 @@ +2013-10-08 Andreas Schwab + + * sysdeps/m68k/start.S [SHARED]: Use PIC. + 2013-09-20 Andreas Schwab * sysdeps/m68k/ffs.c (__ffs): Define as hidden. diff --git a/ports/sysdeps/m68k/start.S b/ports/sysdeps/m68k/start.S index a09896f..7ed96cf 100644 --- a/ports/sysdeps/m68k/start.S +++ b/ports/sysdeps/m68k/start.S @@ -52,6 +52,8 @@ NULL */ +#include + .text .globl _start .type _start,@function @@ -74,6 +76,24 @@ _start: pea (%a1) /* Push address of the shared library termination function. */ +#ifdef SHARED + /* Load PIC register. */ + LOAD_GOT (%a5) + + /* Push the address of our own entry points to `.fini' and + `.init'. */ + move.l __libc_csu_fini@GOT(%a5), -(%sp) + move.l __libc_csu_init@GOT(%a5), -(%sp) + + pea (%a0) /* Push second argument: argv. */ + move.l %d0, -(%sp) /* Push first argument: argc. */ + + move.l main@GOT(%a5), -(%sp) + + /* Call the user's main function, and exit with its value. But + let the libc call main. */ + jbsr __libc_start_main@PLT +#else /* Push the address of our own entry points to `.fini' and `.init'. */ pea __libc_csu_fini @@ -87,6 +107,7 @@ _start: /* Call the user's main function, and exit with its value. But let the libc call main. */ jbsr __libc_start_main +#endif illegal /* Crash if somehow `exit' does return. */ -- 2.7.4