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-rw-r--r--harmony/valgrind/APKBUILD76
-rw-r--r--harmony/valgrind/arm.patch11
-rw-r--r--harmony/valgrind/coregrind-elfv2.patch443
-rw-r--r--harmony/valgrind/uclibc.patch10
4 files changed, 540 insertions, 0 deletions
diff --git a/harmony/valgrind/APKBUILD b/harmony/valgrind/APKBUILD
new file mode 100644
index 000000000..26c2596f8
--- /dev/null
+++ b/harmony/valgrind/APKBUILD
@@ -0,0 +1,76 @@
+# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+pkgname=valgrind
+pkgver=3.13.0
+pkgrel=0
+pkgdesc="A tool to help find memory-management problems in programs"
+url="http://valgrind.org/"
+arch="all !aarch64"
+license="GPL-2.0-or-later"
+# it seems like busybox sed works but the configure script requires GNU sed
+makedepends="sed paxmark perl bash autoconf automake libtool"
+# from README_PACKAGERS:
+# Don't strip the debug info off lib/valgrind/$platform/vgpreload*.so
+# in the installation tree. Either Valgrind won't work at all, or it
+# will still work if you do, but will generate less helpful error
+# messages.
+options="!strip !check"
+subpackages="$pkgname-dev $pkgname-doc"
+source="ftp://sourceware.org/pub/$pkgname/$pkgname-$pkgver.tar.bz2
+ uclibc.patch
+ arm.patch
+ coregrind-elfv2.patch"
+# musl-fixes.patch
+builddir="$srcdir"/$pkgname-$pkgver
+
+prepare() {
+ default_prepare
+ cd "$builddir"
+ aclocal && autoconf && automake --add-missing
+ echo '#include <linux/a.out.h>' > include/a.out.h
+}
+
+build() {
+ cd "$builddir"
+ # fails to build with ccache
+ export CC="gcc"
+ export CFLAGS="$CFLAGS -fno-stack-protector -no-pie"
+ ./configure \
+ --build=$CBUILD \
+ --host=$CHOST \
+ --prefix=/usr \
+ --sysconfdir=/etc \
+ --mandir=/usr/share/man \
+ --infodir=/usr/share/info \
+ --localstatedir=/var \
+ --without-mpicc
+ make
+}
+
+check() {
+ cd "$buildir"
+ make check
+}
+
+package() {
+ cd "$builddir"
+ make DESTDIR="$pkgdir" install
+
+ # we have options=!strip above so we strip the /usr/bin/* manually
+ if [ -z "$DEBUG" ]; then
+ strip "$pkgdir"/usr/bin/valgrind \
+ "$pkgdir"/usr/bin/valgrind-di-server \
+ "$pkgdir"/usr/bin/vgdb \
+ "$pkgdir"/usr/bin/valgrind-listener \
+ "$pkgdir"/usr/bin/cg_merge
+ fi
+
+ # pax causes some issues
+ # http://marc.info/?l=gentoo-hardened&m=119512627126298&w=2
+ # http://bugs.alpinelinux.org/issues/999
+ paxmark -m "$pkgdir"/usr/lib/valgrind/*-*-linux
+}
+
+sha512sums="34e1013cd3815d30a459b86220e871bb0a6209cc9e87af968f347083693779f022e986f211bdf1a5184ad7370cde12ff2cfca8099967ff94732970bd04a97009 valgrind-3.13.0.tar.bz2
+d59a10db9037e120df2ee94a103402ca95a79abee9d8be63e4e1bca29c82dca775cc402a79b854ec11a2160a4d2da202c237369418e221d1925267ea2613fd5d uclibc.patch
+9ee297d1b2b86891584443ad0caadc4977e1447979611ccf1cc55dbee61911b0b063bc4ad936d86c451cedae410cb3219b5a088b2ad0aa17df182d564fe36cfe arm.patch
+83c04d8fbb6ed659d0176c395199751b7b01707c6bad43334b11ede82dfdb790ee16ef6ee01529040d63373ae37e387903097d36214501a32e030cd5dd539b7a coregrind-elfv2.patch"
diff --git a/harmony/valgrind/arm.patch b/harmony/valgrind/arm.patch
new file mode 100644
index 000000000..8281c8ba1
--- /dev/null
+++ b/harmony/valgrind/arm.patch
@@ -0,0 +1,11 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -234,7 +234,7 @@
+ ARCH_MAX="s390x"
+ ;;
+
+- armv7*)
++ arm*)
+ AC_MSG_RESULT([ok (${host_cpu})])
+ ARCH_MAX="arm"
+ ;;
diff --git a/harmony/valgrind/coregrind-elfv2.patch b/harmony/valgrind/coregrind-elfv2.patch
new file mode 100644
index 000000000..7e4a2d636
--- /dev/null
+++ b/harmony/valgrind/coregrind-elfv2.patch
@@ -0,0 +1,443 @@
+The LE and BE code here is the same, except the BE has the old-style
+function descriptor. So, we use the LE code on ELFv2 to fix build errors.
+
+--- valgrind-3.13.0/coregrind/m_libcsetjmp.c 2017-05-31 10:14:45.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_libcsetjmp.c 2018-05-25 20:07:37.007835735 -0500
+@@ -149,7 +149,7 @@
+
+ /* ------------ ppc64-linux ------------ */
+
+-#if defined(VGP_ppc64be_linux)
++#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+
+ __asm__(
+ ".section \".toc\",\"aw\"" "\n"
+@@ -268,7 +268,8 @@
+ ".previous" "\n"
+ );
+
+-#elif defined(VGP_ppc64le_linux)
++#elif (defined(VGP_ppc64le_linux)) || \
++ (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
+ __asm__(
+ ".section \".toc\",\"aw\"" "\n"
+
+--- valgrind-3.13.0/coregrind/m_main.c.old 2017-05-31 10:14:52.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_main.c 2018-05-30 19:01:00.534083618 -0500
+@@ -2585,7 +2585,7 @@
+ "\ttrap\n"
+ ".previous\n"
+ );
+-#elif defined(VGP_ppc64be_linux)
++#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+ asm("\n"
+ /* PPC64 ELF ABI says '_start' points to a function descriptor.
+ So we must have one, and that is what goes into the .opd section. */
+@@ -2631,9 +2631,9 @@
+ "\tnop\n"
+ "\ttrap\n"
+ );
+-#elif defined(VGP_ppc64le_linux)
+-/* Little Endian uses ELF version 2 but in the future may also
+- * support other ELF versions.
++#elif defined(VGP_ppc64le_linux) || \
++ (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
++/* PowerPC 64 ELF version 2 does not use function descriptors.
+ */
+ asm("\n"
+ "\t.align 2\n"
+--- valgrind-3.13.0/coregrind/m_syscall.c.old 2017-05-31 10:14:29.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_syscall.c 2018-05-30 19:02:00.984023769 -0500
+@@ -470,7 +470,7 @@
+ ".previous\n"
+ );
+
+-#elif defined(VGP_ppc64be_linux)
++#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+ /* Due to the need to return 65 bits of result, this is completely
+ different from the ppc32 case. The single arg register points to a
+ 7-word block containing the syscall # and the 6 args. The syscall
+@@ -506,7 +506,8 @@
+ " blr\n"
+ );
+
+-#elif defined(VGP_ppc64le_linux)
++#elif defined(VGP_ppc64le_linux) || \
++ (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
+ /* Due to the need to return 65 bits of result, this is completely
+ different from the ppc32 case. The single arg register points to a
+ 7-word block containing the syscall # and the 6 args. The syscall
+--- valgrind-3.13.0/coregrind/m_signals.c.old 2017-05-31 10:14:52.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_signals.c 2018-05-30 22:12:46.082692356 -0500
+@@ -889,7 +889,7 @@
+ " sc\n" \
+ ".previous\n"
+
+-#elif defined(VGP_ppc64be_linux)
++#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+ # define _MY_SIGRETURN(name) \
+ ".align 2\n" \
+ ".globl my_sigreturn\n" \
+@@ -904,7 +904,8 @@
+ " li 0, " #name "\n" \
+ " sc\n"
+
+-#elif defined(VGP_ppc64le_linux)
++#elif defined(VGP_ppc64le_linux) || \
++ (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
+ /* Little Endian supports ELF version 2. In the future, it may
+ * support other versions.
+ */
+--- valgrind-3.13.0/coregrind/m_syswrap/syswrap-ppc64-linux.c.old 2017-05-31 10:14:39.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_syswrap/syswrap-ppc64-linux.c 2018-05-30 22:15:42.112518074 -0500
+@@ -71,12 +71,12 @@
+ // r4 = retaddr
+ // r5 = function descriptor
+ // r6 = arg1
+-/* On PPC64, a func ptr is represented by a TOC entry ptr.
++/* On ELFv1, a func ptr is represented by a TOC entry ptr.
+ This TOC entry contains three words; the first word is the function
+ address, the second word is the TOC ptr (r2), and the third word is
+ the static chain value. */
+ asm(
+-#if defined(VGP_ppc64be_linux)
++#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+ " .align 2\n"
+ " .globl vgModuleLocal_call_on_new_stack_0_1\n"
+ " .section \".opd\",\"aw\"\n"
+@@ -126,7 +126,7 @@
+ " bctr\n\t" // jump to dst
+ " trap\n" // should never get here
+ #else
+-// ppc64le_linux
++// ppc64le_linux, or ELFv2 ABI on BE
+ " .align 2\n"
+ " .globl vgModuleLocal_call_on_new_stack_0_1\n"
+ "vgModuleLocal_call_on_new_stack_0_1:\n"
+@@ -211,7 +211,7 @@
+
+ // See priv_syswrap-linux.h for arg profile.
+ asm(
+-#if defined(VGP_ppc64be_linux)
++#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
+ " .align 2\n"
+ " .globl do_syscall_clone_ppc64_linux\n"
+ " .section \".opd\",\"aw\"\n"
+--- valgrind-3.13.0/coregrind/m_syswrap/syscall-ppc64be-linux.S.old 2017-05-31 10:14:39.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_syswrap/syscall-ppc64be-linux.S 2018-05-30 22:18:31.742350130 -0500
+@@ -29,7 +29,7 @@
+
+ #include "pub_core_basics_asm.h"
+
+-#if defined(VGP_ppc64be_linux)
++#if defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
+
+ #include "pub_core_vkiscnums_asm.h"
+ #include "libvex_guest_offsets.h"
+@@ -76,12 +76,25 @@
+
+ .align 2
+ .globl ML_(do_syscall_for_client_WRK)
++#if _CALL_ELF == 2
++.type .ML_(do_syscall_for_client_WRK),@function
++ML_(do_syscall_for_client_WRK):
++0: addis 2,12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry ML_(do_syscall_for_client_WRK), .-ML_(do_syscall_for_client_WRK)
++#else
+ .section ".opd","aw"
+ .align 3
+-ML_(do_syscall_for_client_WRK):
++ML_(do_syscall_for_client_WRK):
+ .quad .ML_(do_syscall_for_client_WRK),.TOC.@tocbase,0
+ .previous
+-.type .ML_(do_syscall_for_client_WRK),@function
++#endif
++#if _CALL_ELF == 2
++0: addis 2,12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry ML_(do_syscall_for_client_WRK), .-ML_(do_syscall_for_client_WRK)
++#endif
++.type .ML_(do_syscall_for_client_WRK),@function
+ .globl .ML_(do_syscall_for_client_WRK)
+ .ML_(do_syscall_for_client_WRK):
+ /* make a stack frame */
+@@ -145,7 +158,11 @@
+ /* failure: return 0x8000 | error code */
+ 7: ori 3,3,0x8000 /* FAILURE -- ensure return value is nonzero */
+ b 5b
+-
++#if _CALL_ELF == 2
++ .size .ML_(do_syscall_for_client_WRK),.-.ML_(do_syscall_for_client_WRK)
++#else
++ .size .ML_(do_syscall_for_client_WRK),.-.ML_(do_syscall_for_client_WRK)
++#endif
+ .section .rodata
+ /* export the ranges so that
+ VG_(fixup_guest_state_after_syscall_interrupted) can do the
+@@ -162,7 +179,7 @@
+ ML_(blksys_committed): .quad 4b
+ ML_(blksys_finished): .quad 5b
+
+-#endif // defined(VGP_ppc64be_linux)
++#endif // defined(VGP_ppc64le_linux)
+
+ /* Let the linker know we don't need an executable stack */
+ MARK_STACK_NO_EXEC
+--- valgrind-3.13.0/coregrind/m_dispatch/dispatch-ppc64be-linux.S.old 2017-05-31 10:14:33.000000000 -0500
++++ valgrind-3.13.0/coregrind/m_dispatch/dispatch-ppc64be-linux.S 2018-05-30 22:39:37.951096498 -0500
+@@ -30,12 +30,21 @@
+
+ #include "pub_core_basics_asm.h"
+
+-#if defined(VGP_ppc64be_linux)
++#if defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
+
+ #include "pub_core_dispatch_asm.h"
+ #include "pub_core_transtab_asm.h"
+ #include "libvex_guest_offsets.h" /* for OFFSET_ppc64_CIA */
+
++/* NOTE: PPC64 supports Big Endian and Little Endian. It also supports the
++ ELF version 1 and ELF version 2 APIs.
++
++ Currently LE uses ELF version 2 and BE uses ELF version 1. However,
++ BE and LE may support the other ELF version in the future. So, the
++ _CALL_ELF is used in the assembly function to enable code for a
++ specific ELF version independently of the endianness of the machine.
++ The test "#if _CALL_ELF == 2" checks if ELF version 2 is being used.
++*/
+
+ /* References to globals via the TOC */
+
+@@ -75,14 +84,26 @@
+ .section ".text"
+ .align 2
+ .globl VG_(disp_run_translations)
++#if _CALL_ELF == 2
++.type VG_(disp_run_translations),@function
++VG_(disp_run_translations):
++.type .VG_(disp_run_translations),@function
++#else
+ .section ".opd","aw"
+ .align 3
+ VG_(disp_run_translations):
+ .quad .VG_(disp_run_translations),.TOC.@tocbase,0
+ .previous
+ .type .VG_(disp_run_translations),@function
++#endif
+ .globl .VG_(disp_run_translations)
+ .VG_(disp_run_translations):
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_run_translations), .-VG_(disp_run_translations)
++#endif
++
+ /* r3 holds two_words */
+ /* r4 holds guest_state */
+ /* r5 holds host_addr */
+@@ -229,8 +250,13 @@
+ /* make a stack frame for the code we are calling */
+ stdu 1,-48(1)
+
+- /* Set up the guest state ptr */
++ /* Set up the guest state ptr */
+ mr 31,4 /* r31 (generated code gsp) = r4 */
++#if _CALL_ELF == 2
++/* for the LE ABI need to setup r2 and r12 */
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++#endif
+
+ /* and jump into the code cache. Chained translations in
+ the code cache run, until for whatever reason, they can't
+@@ -385,6 +411,9 @@
+ mtlr 0
+ addi 1,1,624 /* stack_size */
+ blr
++#if _CALL_ELF == 2
++ .size VG_(disp_run_translations),.-VG_(disp_run_translations)
++#endif
+
+
+ /*----------------------------------------------------*/
+@@ -395,15 +424,25 @@
+ .section ".text"
+ .align 2
+ .globl VG_(disp_cp_chain_me_to_slowEP)
+- .section ".opd","aw"
++#if _CALL_ELF == 2
++ .type VG_(disp_cp_chain_me_to_slowEP),@function
++ VG_(disp_cp_chain_me_to_slowEP):
++#else
++ .section ".opd","aw"
+ .align 3
+ VG_(disp_cp_chain_me_to_slowEP):
+ .quad .VG_(disp_cp_chain_me_to_slowEP),.TOC.@tocbase,0
+ .previous
++#endif
+ .type .VG_(disp_cp_chain_me_to_slowEP),@function
+ .globl .VG_(disp_cp_chain_me_to_slowEP)
+ .VG_(disp_cp_chain_me_to_slowEP):
+- /* We got called. The return address indicates
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_cp_chain_me_to_slowEP), .-VG_(disp_cp_chain_me_to_slowEP)
++#endif
++ /* We got called. The return address indicates
+ where the patching needs to happen. Collect
+ the return address and, exit back to C land,
+ handing the caller the pair (Chain_me_S, RA) */
+@@ -415,20 +454,33 @@
+ */
+ subi 7,7,20+4+4
+ b .postamble
++#if _CALL_ELF == 2
++ .size VG_(disp_cp_chain_me_to_slowEP),.-VG_(disp_cp_chain_me_to_slowEP)
++#endif
+
+ /* ------ Chain me to fast entry point ------ */
+ .section ".text"
+ .align 2
+ .globl VG_(disp_cp_chain_me_to_fastEP)
+- .section ".opd","aw"
++#if _CALL_ELF == 2
++ .type VG_(disp_cp_chain_me_to_fastEP),@function
++VG_(disp_cp_chain_me_to_fastEP):
++#else
++ .section ".opd","aw"
+ .align 3
+ VG_(disp_cp_chain_me_to_fastEP):
+ .quad .VG_(disp_cp_chain_me_to_fastEP),.TOC.@tocbase,0
+ .previous
++#endif
+ .type .VG_(disp_cp_chain_me_to_fastEP),@function
+ .globl .VG_(disp_cp_chain_me_to_fastEP)
+ .VG_(disp_cp_chain_me_to_fastEP):
+- /* We got called. The return address indicates
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_cp_chain_me_to_fastEP), .-VG_(disp_cp_chain_me_to_fastEP)
++#endif
++ /* We got called. The return address indicates
+ where the patching needs to happen. Collect
+ the return address and, exit back to C land,
+ handing the caller the pair (Chain_me_S, RA) */
+@@ -440,20 +492,33 @@
+ */
+ subi 7,7,20+4+4
+ b .postamble
++#if _CALL_ELF == 2
++ .size VG_(disp_cp_chain_me_to_fastEP),.-VG_(disp_cp_chain_me_to_fastEP)
++#endif
+
+ /* ------ Indirect but boring jump ------ */
+ .section ".text"
+ .align 2
+ .globl VG_(disp_cp_xindir)
+- .section ".opd","aw"
++#if _CALL_ELF == 2
++ .type VG_(disp_cp_xindir),@function
++VG_(disp_cp_xindir):
++#else
++ .section ".opd","aw"
+ .align 3
+ VG_(disp_cp_xindir):
+ .quad .VG_(disp_cp_xindir),.TOC.@tocbase,0
+ .previous
++#endif
+ .type .VG_(disp_cp_xindir),@function
+ .globl .VG_(disp_cp_xindir)
+ .VG_(disp_cp_xindir):
+- /* Where are we going? */
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_cp_xindir), .-VG_(disp_cp_xindir)
++#endif
++ /* Where are we going? */
+ ld 3,OFFSET_ppc64_CIA(31)
+
+ /* stats only */
+@@ -479,6 +544,9 @@
+ /* Found a match. Jump to .host. */
+ mtctr 7
+ bctr
++#if _CALL_ELF == 2
++ .size VG_(disp_cp_xindir),.-VG_(disp_cp_xindir)
++#endif
+
+ .fast_lookup_failed:
+ /* stats only */
+@@ -496,39 +564,64 @@
+ .section ".text"
+ .align 2
+ .globl VG_(disp_cp_xassisted)
+- .section ".opd","aw"
++#if _CALL_ELF == 2
++ .type VG_(disp_cp_xassisted),@function
++VG_(disp_cp_xassisted):
++#else
++ .section ".opd","aw"
+ .align 3
+ VG_(disp_cp_xassisted):
+ .quad .VG_(disp_cp_xassisted),.TOC.@tocbase,0
+ .previous
+- .type .VG_(disp_cp_xassisted),@function
++#endif
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_cp_xassisted), .-VG_(disp_cp_xassisted)
++#endif
++ .type .VG_(disp_cp_xassisted),@function
+ .globl .VG_(disp_cp_xassisted)
+ .VG_(disp_cp_xassisted):
+ /* r31 contains the TRC */
+ mr 6,31
+ li 7,0
+ b .postamble
++#if _CALL_ELF == 2
++ .size VG_(disp_cp_xassisted),.-VG_(disp_cp_xassisted)
++#endif
+
+ /* ------ Event check failed ------ */
+ .section ".text"
+ .align 2
+ .globl VG_(disp_cp_evcheck_fail)
+- .section ".opd","aw"
++#if _CALL_ELF == 2
++ .type VG_(disp_cp_evcheck_fail),@function
++VG_(disp_cp_evcheck_fail):
++#else
++ .section ".opd","aw"
+ .align 3
+ VG_(disp_cp_evcheck_fail):
+ .quad .VG_(disp_cp_evcheck_fail),.TOC.@tocbase,0
+ .previous
++#endif
++#if _CALL_ELF == 2
++0: addis 2, 12,.TOC.-0b@ha
++ addi 2,2,.TOC.-0b@l
++ .localentry VG_(disp_cp_evcheck_fail), .-VG_(disp_cp_evcheck_fail)
++#endif
+ .type .VG_(disp_cp_evcheck_fail),@function
+ .globl .VG_(disp_cp_evcheck_fail)
+ .VG_(disp_cp_evcheck_fail):
+ li 6,VG_TRC_INNER_COUNTERZERO
+ li 7,0
+ b .postamble
++#if _CALL_ELF == 2
++ .size VG_(disp_cp_evcheck_fail),.-VG_(disp_cp_evcheck_fail)
++#endif
+
+-
+ .size .VG_(disp_run_translations), .-.VG_(disp_run_translations)
+
+-#endif // defined(VGP_ppc64be_linux)
++#endif // defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
+
+ /* Let the linker know we don't need an executable stack */
+ MARK_STACK_NO_EXEC
diff --git a/harmony/valgrind/uclibc.patch b/harmony/valgrind/uclibc.patch
new file mode 100644
index 000000000..69281ab2c
--- /dev/null
+++ b/harmony/valgrind/uclibc.patch
@@ -0,0 +1,10 @@
+--- ./coregrind/vg_preloaded.c.orig
++++ ./coregrind/vg_preloaded.c
+@@ -42,6 +42,7 @@
+ originates from Valgrind.
+ ------------------------------------------------------------------ */
+
++#include <features.h>
+ #include "pub_core_basics.h"
+ #include "pub_core_clreq.h"
+ #include "pub_core_debuginfo.h" // Needed for pub_core_redir.h