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PR linker/4844
* ld-auto-import/auto-import.exp: Extend test to include running the application and checking for some output. * ld-auto-import/client.c (struct TEST): Include a variable field with an offset. (const_xyz): A const version of the xyz structure used to test the initialization of constant data.
This commit is contained in:
Nick Clifton
parent
40961791a2
commit
e42e4a8b9e
@ -1,3 +1,13 @@
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2007-10-02 Ralf Habecker <ralf.habacker@freenet.de>
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PR linker/4844
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* ld-auto-import/auto-import.exp: Extend test to include running
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the application and checking for some output.
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* ld-auto-import/client.c (struct TEST): Include a variable field
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with an offset.
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(const_xyz): A const version of the xyz structure used to test the
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initialization of constant data.
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2007-09-30 Mike Frysinger <vapier@gentoo.org>
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* ld-selective/selective.exp: Set $compiler based on $testtype and
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@ -25,43 +25,51 @@
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# Note:
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#
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# This test checks the "auto importing direct from a dll" functionality,
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# which dramatically reduces the linking time for big libraries and applications
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# by skipping creating/using import libraries. Instead it links directly to the
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# related dll or to a symlinked dll for replacing regular import libraries.
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#
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# The test has 4 stages:
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#
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# 1. compile and link a test dll exporting some text and data symbols and a
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# standard import library
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# This script tests some auto-import functionality:
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#
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# 2. create a symbolic link to this dll to simulate a replaced import library.
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# A. "auto importing direct from a dll" functionality, which dramatically reduces the
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# linking time for big libraries and applications by skipping creating/using
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# import libraries. Instead it links directly to the related dll or to a symlinked
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# dll for replacing regular import libraries. The test has 6 stages:
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#
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# 1. compile and link a test dll exporting some text and data symbols and a
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# standard import library
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#
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# 3. compile and link a client application with the standard import library.
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# This should produce no errors.
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# 2. create a symbolic link to this dll to simulate a replaced import library.
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#
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# 4. compile and link a client application with the created dll.
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# This should also produce no errors.
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# 3. compile and link a client application with the standard import library.
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# This should produce no errors.
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#
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# 5. compile and link a client application using the "import library".
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# This should also produce no errors.
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# 4. compile and link a client application with the created dll.
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# This should also produce no errors.
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#
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# 5. compile and link a client application using the "import library".
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# This should also produce no errors.
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#
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# 6. compile and link a client application with auto-import disabled.
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# This should produce a linking error.
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#
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# B. runtime check if there are no segfaults when importing const data variables
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#
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# 6. compile and link a client application with auto-import disabled.
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# This should produce a linking error.
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# This test can only be run if ld generates native executables.
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if ![isnative] then {return}
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# This test can only be run on a couple of ELF platforms.
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# This test can only be run on a couple of platforms.
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# Square bracket expressions seem to confuse istarget.
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if { ![istarget *-pc-cygwin]
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&& ![istarget *-pc-mingw*] } {
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return
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}
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if [istarget *-pc-mingw*] {
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# FIXME: Add support for this target.
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unsupported "mingw currently not supported"
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}
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# No compiler, no test.
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if { [which $CC] == 0 } {
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untested "Auto import test"
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untested "Auto import test (compiler not found)"
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return
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}
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@ -97,10 +105,10 @@ proc ld_special_link { ld target objects } {
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if [string match "" $exec_output] then {
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return 1
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} else {
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verbose -log "$exec_output"
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return 0
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}
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verbose -log "$exec_output"
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return 0
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}
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set tmpdir tmpdir
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@ -111,53 +119,59 @@ if [istarget *-pc-cygwin] {
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set MYLIBS "-L/usr/lib -lcygwin -L/usr/lib/w32api -lkernel32"
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# Compile the dll.
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if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/dll.c $tmpdir/dll.o ] {
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if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/dll.c $tmpdir/dll.o] {
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fail "compiling shared lib"
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} elseif ![ld_special_link "$ld -shared --out-implib=$tmpdir/libstandard.dll.a" $tmpdir/dll.dll "$tmpdir/dll.o $MYLIBS" ] {
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}
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if ![ld_special_link "$CC -shared --enable-auto-import --out-implib=$tmpdir/libstandard.dll.a" $tmpdir/dll.dll "$tmpdir/dll.o $MYLIBS"] {
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fail "linking shared lib"
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}
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# Create symbolic link.
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catch "exec ln -fs dll.dll $tmpdir/libsymlinked_dll.dll.a" ln_catch
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# Compile and link the client program.
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if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/client.c $tmpdir/client.o] {
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fail "compiling client"
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}
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# Check linking with import library.
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set msg "linking auto-import client using a standard import library"
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if [ld_special_link $ld $tmpdir/client-linklib.exe "--enable-auto-import --enable-runtime-pseudo-reloc /lib/crt0.o $tmpdir/client.o -L$tmpdir -lstandard $MYLIBS"] {
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pass $msg
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} else {
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# Create symbolic link.
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catch "exec ln -fs dll.dll $tmpdir/libsymlinked_dll.dll.a" ln_catch
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# Compile and link the client program.
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if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/client.c $tmpdir/client.o ] {
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fail "compiling client"
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} else {
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# Check linking with import library.
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set msg "linking auto-import client using a standard import library"
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if [ld_special_link $ld $tmpdir/client.exe "--enable-auto-import /lib/crt0.o $tmpdir/client.o -L$tmpdir -lstandard $MYLIBS" ] {
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pass $msg
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} else {
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fail $msg
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}
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fail $msg
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}
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# Check linking directly with dll.
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set msg "linking auto-import client using the dll"
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if [ld_special_link $ld $tmpdir/client.exe "--enable-auto-import /lib/crt0.o $tmpdir/client.o -L$tmpdir -ldll $MYLIBS" ] {
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pass $msg
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} else {
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fail $msg
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}
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# Check linking directly with dll.
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set msg "linking auto-import client using the dll"
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if [ld_special_link $ld $tmpdir/client-linkdll.exe "--enable-auto-import --enable-runtime-pseudo-reloc /lib/crt0.o $tmpdir/client.o -L$tmpdir -ldll $MYLIBS"] {
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pass $msg
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} else {
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fail $msg
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}
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# Check linking with symlinked dll.
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set msg "linking auto-import client using symbolic linked dll"
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if [ld_special_link $ld $tmpdir/clientimport.exe "--enable-auto-import /lib/crt0.o $tmpdir/client.o -L$tmpdir -lsymlinked_dll $MYLIBS" ] {
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pass $msg
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} else {
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fail $msg
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}
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# Check linking with symlinked dll.
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set msg "linking auto-import client using symbolic linked dll"
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if [ld_special_link $ld $tmpdir/client-symlinkeddll.exe "--enable-auto-import --enable-runtime-pseudo-reloc /lib/crt0.o $tmpdir/client.o -L$tmpdir -lsymlinked_dll $MYLIBS"] {
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pass $msg
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} else {
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fail $msg
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}
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# Check linking with disabled auto-import, this must produce linking error.
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set msg "linking with disabled auto-import"
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if ![ld_special_link $ld $tmpdir/clientimport.exe "--disable-auto-import /lib/crt0.o $tmpdir/client.o -L$tmpdir -ldll $MYLIBS" ] {
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pass $msg
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} else {
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fail $msg
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}
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}
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# Check linking with disabled auto-import, this must produce linking error.
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set msg "linking with disabled auto-import"
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if ![ld_special_link $ld $tmpdir/client-failed.exe "--disable-auto-import --enable-runtime-pseudo-reloc /lib/crt0.o $tmpdir/client.o -L$tmpdir -ldll $MYLIBS"] {
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pass $msg
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} else {
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fail $msg
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}
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# Check that the app works - ie that there is output when the applications runs.
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set msg "application runtime segfault check"
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catch "exec $tmpdir/client-linklib.exe" exec_output
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if ![string match "" $exec_output] then {
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pass $msg
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} else {
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fail $msg
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}
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}
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if [istarget *-pc-mingw*] {
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unsupported "mingw currently not supported"
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}
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@ -11,10 +11,13 @@ typedef struct
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{
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int * var;
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void (* func_ptr)(void);
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int * var_with_offset;
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}
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TEST;
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TEST xyz = { &var, print_var };
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TEST xyz = { & var, print_var, & var };
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const TEST const_xyz = { & var, print_var, & var };
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int
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main (void)
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@ -51,5 +54,7 @@ main (void)
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printf ("We see var2[0] = %d\n\n", var2[0]);
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printf ("We see const xyz %x %x\n", const_xyz.var, const_xyz.var_with_offset);
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return 0;
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}
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