91 lines
2.9 KiB
Bash
91 lines
2.9 KiB
Bash
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#!/bin/sh
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# Script to test if the build works properly.
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mkdir -p ${OUT}
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TMPFILE1=${OUT}/tmp_testcompile1.c
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TMPFILE1o=${OUT}/tmp_testcompile1.o
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TMPFILE1_ld=${OUT}/tmp_testcompile1.lds
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TMPFILE2=${OUT}/tmp_testcompile2.c
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TMPFILE2o=${OUT}/tmp_testcompile2.o
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TMPFILE3o=${OUT}/tmp_testcompile3.o
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# Test if ld's alignment handling is correct. This is a known problem
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# with the linker that ships with Ubuntu 11.04.
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cat - > $TMPFILE1 <<EOF
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const char v1[] __attribute__((section(".text.v1"))) = "0123456789";
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const char v2[] __attribute__((section(".text.v2"))) = "0123456789";
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EOF
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cat - > $TMPFILE1_ld <<EOF
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SECTIONS
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{
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.mysection 0x88f0 : {
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. = 0x10 ;
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*(.text.v1)
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. = 0x20 ;
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*(.text.v2)
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. = 0x30 ;
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}
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}
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EOF
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$CC -O -g -c $TMPFILE1 -o $TMPFILE1o > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "Unable to execute the C compiler ($CC)." >&2
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echo "" >&2
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echo "Please install a working compiler and retry." >&2
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echo -1
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exit 0
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fi
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$LD -T $TMPFILE1_ld $TMPFILE1o -o $TMPFILE2o > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "The version of LD on this system ($LD) does not properly handle" >&2
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echo "alignments. As a result, this project can not be built." >&2
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echo "" >&2
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echo "The problem may be the result of this LD bug report:" >&2
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echo " http://sourceware.org/bugzilla/show_bug.cgi?id=12726" >&2
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echo "" >&2
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echo "Please update to a working version of binutils and retry." >&2
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echo -1
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exit 0
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fi
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# Test for "-fwhole-program". Older versions of gcc (pre v4.1) don't
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# support the whole-program optimization - detect that.
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$CC -fwhole-program -S -o /dev/null -xc /dev/null > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo " Working around no -fwhole-program" >&2
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echo 2
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exit 0
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fi
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# Test if "visible" variables and functions are marked global. On
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# OpenSuse 10.3 "visible" variables declared with "extern" first
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# aren't marked as global in the resulting assembler. On Ubuntu 7.10
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# "visible" functions aren't marked as global in the resulting
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# assembler.
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cat - > $TMPFILE1 <<EOF
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void __attribute__((externally_visible)) t1() { }
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extern unsigned char v1;
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unsigned char v1 __attribute__((section(".data16.foo.19"))) __attribute__((externally_visible));
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EOF
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$CC -Os -c -fwhole-program $TMPFILE1 -o $TMPFILE1o > /dev/null 2>&1
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cat - > $TMPFILE2 <<EOF
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void t1();
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extern unsigned char v1;
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int __attribute__((externally_visible)) main() { t1(); return v1; }
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EOF
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$CC -Os -c -fwhole-program $TMPFILE2 -o $TMPFILE2o > /dev/null 2>&1
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$CC -nostdlib -Os $TMPFILE1o $TMPFILE2o -o $TMPFILE3o > /dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo " Working around non-functional -fwhole-program" >&2
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echo 2
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exit 0
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fi
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echo 0
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# Also, the Ubuntu 8.04 compiler has a bug causing corruption when the
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# "ebp" register is clobberred in an "asm" statement. The code has
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# been modified to not clobber "ebp" - no test is available yet.
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rm -f $TMPFILE1 $TMPFILE1o $TMPFILE1_ld $TMPFILE2 $TMPFILE2o $TMPFILE3o
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