diff options
Diffstat (limited to 'system/libffi')
| -rw-r--r-- | system/libffi/APKBUILD | 57 | ||||
| -rw-r--r-- | system/libffi/disable-ppc-ldvariant.patch | 11 | ||||
| -rw-r--r-- | system/libffi/fix-testsuite-longdouble.patch | 44 | ||||
| -rw-r--r-- | system/libffi/gnu-linux-define.patch | 15 | ||||
| -rw-r--r-- | system/libffi/pax-dlmmap.patch | 120 |
5 files changed, 247 insertions, 0 deletions
diff --git a/system/libffi/APKBUILD b/system/libffi/APKBUILD new file mode 100644 index 000000000..4f4923b38 --- /dev/null +++ b/system/libffi/APKBUILD @@ -0,0 +1,57 @@ +# Maintainer: Natanael Copa <ncopa@alpinelinux.org> +pkgname=libffi +pkgver=3.2.1 +pkgrel=4 +pkgdesc="A portable, high level programming interface to various calling conventions." +url="http://sourceware.org/libffi" +arch="all" +license="MIT" +depends= +makedepends="texinfo" +checkdepends="dejagnu" +install= +subpackages="$pkgname-dev $pkgname-doc" +source="ftp://sourceware.org/pub/$pkgname/$pkgname-$pkgver.tar.gz + disable-ppc-ldvariant.patch + fix-testsuite-longdouble.patch + gnu-linux-define.patch + pax-dlmmap.patch + " + +builddir="$srcdir"/$pkgname-$pkgver + +build () { + cd "$builddir" + ./configure \ + --build=$CBUILD \ + --host=$CHOST \ + --prefix=/usr \ + --enable-pax_emutramp + make +} + +check() { + cd "$builddir" + make check +} + +package() { + cd "$builddir" + make DESTDIR=""$pkgdir"" install + install -m755 -d ""$pkgdir"/usr/share/licenses/$pkgname" + install -m644 LICENSE ""$pkgdir"/usr/share/licenses/$pkgname/" + # fix location for headers + # see also: https://github.com/libffi/libffi/issues/24 + mkdir -p "$pkgdir"/usr/include/ + mv "$pkgdir"/usr/lib/libffi-$pkgver/include/*.h \ + "$pkgdir"/usr/include/ + rmdir "$pkgdir"/usr/lib/libffi-$pkgver/include || true + sed -i -e '/^includedir=/{s,=.*,=/usr/include,g}' \ + "$pkgdir"/usr/lib/pkgconfig/libffi.pc +} + +sha512sums="980ca30a8d76f963fca722432b1fe5af77d7a4e4d2eac5144fbc5374d4c596609a293440573f4294207e1bdd9fda80ad1e1cafb2ffb543df5a275bc3bd546483 libffi-3.2.1.tar.gz +cfd3b11a0e168fd74da0a6219c95610df3466b0769966351b2a5076c93a75996daf9aed41644bebb80e28793bbe18d62272385afd7813c472104cc6c93dcba41 disable-ppc-ldvariant.patch +de92cb20ded7bfefc3e469ba2ac2d9d869d67dc172ec7e2d1222f8530944eb6d5016ae913baf01ac2e26bee1624c682ae9dd08d0e45d5532d59298dbe7e417eb fix-testsuite-longdouble.patch +264af568ae5388d50f647f891a406945c73cc358692266f65ad341787c0bf5f6bf31203b86c39fa1b338101c1a6d2f4fec60f95a90d379951ff5153f8f9e178f gnu-linux-define.patch +72486b389db16055ae4d7d33ba0cb05840537e28fe7a86aa89e2cb922592125d99c18c26c5df7ffde6282742e79f2b9126353e58b58f091f0486589e14dd6474 pax-dlmmap.patch" diff --git a/system/libffi/disable-ppc-ldvariant.patch b/system/libffi/disable-ppc-ldvariant.patch new file mode 100644 index 000000000..8b3f9cea0 --- /dev/null +++ b/system/libffi/disable-ppc-ldvariant.patch @@ -0,0 +1,11 @@ +--- libffi-3.2.1/configure.old 2014-11-12 06:59:57.000000000 -0500 ++++ libffi-3.2.1/configure 2017-10-10 05:44:12.732989967 -0400 +@@ -17237,7 +17237,7 @@ + + powerpc*-*-linux* | powerpc-*-sysv*) + TARGET=POWERPC; TARGETDIR=powerpc +- HAVE_LONG_DOUBLE_VARIANT=1 ++ #HAVE_LONG_DOUBLE_VARIANT=1 + ;; + powerpc-*-amigaos*) + TARGET=POWERPC; TARGETDIR=powerpc diff --git a/system/libffi/fix-testsuite-longdouble.patch b/system/libffi/fix-testsuite-longdouble.patch new file mode 100644 index 000000000..20fe4b8c6 --- /dev/null +++ b/system/libffi/fix-testsuite-longdouble.patch @@ -0,0 +1,44 @@ +--- libffi-3.2.1/testsuite/libffi.call/cls_align_longdouble_split.c.old 2014-11-08 07:47:24.000000000 -0500 ++++ libffi-3.2.1/testsuite/libffi.call/cls_align_longdouble_split.c 2017-10-10 06:04:26.293045176 -0400 +@@ -6,7 +6,7 @@ + + /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ +-/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ ++/* { dg-options -mlong-double-64 { target powerpc64*-*-linux* } } */ + /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + + #include "ffitest.h" +--- libffi-3.2.1/testsuite/libffi.call/cls_align_longdouble_split2.c.old 2014-11-08 07:47:24.000000000 -0500 ++++ libffi-3.2.1/testsuite/libffi.call/cls_align_longdouble_split2.c 2017-10-10 06:04:54.283046103 -0400 +@@ -7,7 +7,7 @@ + + /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + /* { dg-do run { xfail strongarm*-*-* } } */ +-/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ ++/* { dg-options -mlong-double-64 { target powerpc64*-*-linux* } } */ + /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + + #include "ffitest.h" +--- libffi-3.2.1/testsuite/libffi.call/cls_longdouble.c.old 2014-11-08 07:47:24.000000000 -0500 ++++ libffi-3.2.1/testsuite/libffi.call/cls_longdouble.c 2017-10-10 06:05:19.683046965 -0400 +@@ -8,7 +8,7 @@ + /* This test is known to PASS on armv7l-unknown-linux-gnueabihf, so I have + remove the xfail for arm*-*-* below, until we know more. */ + /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ +-/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ ++/* { dg-options -mlong-double-64 { target powerpc64*-*-linux* } } */ + /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + + #include "ffitest.h" +--- libffi-3.2.1/testsuite/libffi.call/huge_struct.c.old 2014-11-08 07:47:24.000000000 -0500 ++++ libffi-3.2.1/testsuite/libffi.call/huge_struct.c 2017-10-10 06:05:39.383047674 -0400 +@@ -7,7 +7,7 @@ + + /* { dg-excess-errors "" { target x86_64-*-mingw* x86_64-*-cygwin* } } */ + /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ +-/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ ++/* { dg-options -mlong-double-64 { target powerpc64*-*-linux* } } */ + /* { dg-options -Wformat=0 { target moxie*-*-elf } } */ + /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ + diff --git a/system/libffi/gnu-linux-define.patch b/system/libffi/gnu-linux-define.patch new file mode 100644 index 000000000..8dcae738b --- /dev/null +++ b/system/libffi/gnu-linux-define.patch @@ -0,0 +1,15 @@ +http://bugs.alpinelinux.org/issues/4275 + +diff --git a/closures.c.orig b/closures.c +index 721ff00..22a699c 100644 +--- a/src/closures.c.orig ++++ b/src/closures.c +@@ -34,7 +34,7 @@ + #include <ffi_common.h> + + #if !FFI_MMAP_EXEC_WRIT && !FFI_EXEC_TRAMPOLINE_TABLE +-# if __gnu_linux__ && !defined(__ANDROID__) ++# if __linux__ && !defined(__ANDROID__) + /* This macro indicates it may be forbidden to map anonymous memory + with both write and execute permission. Code compiled when this + option is defined will attempt to map such pages once, but if it diff --git a/system/libffi/pax-dlmmap.patch b/system/libffi/pax-dlmmap.patch new file mode 100644 index 000000000..ec4150410 --- /dev/null +++ b/system/libffi/pax-dlmmap.patch @@ -0,0 +1,120 @@ +From 48d2e46528fb6e621d95a7fa194069fd136b712d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Stefan=20B=C3=BChler?= <buehler@cert.uni-stuttgart.de> +Date: Wed, 7 Sep 2016 15:49:48 +0200 +Subject: [PATCH 1/2] dlmmap_locked always needs locking as it always modifies + execsize + +--- + src/closures.c | 13 ++++--------- + 1 file changed, 4 insertions(+), 9 deletions(-) + +diff --git a/src/closures.c b/src/closures.c +index 2e0ffb45..04d6e27f 100644 +--- a/src/closures.c ++++ b/src/closures.c +@@ -769,16 +769,11 @@ dlmmap (void *start, size_t length, int prot, + MREMAP_DUP and prot at this point. */ + } + +- if (execsize == 0 || execfd == -1) +- { +- pthread_mutex_lock (&open_temp_exec_file_mutex); +- ptr = dlmmap_locked (start, length, prot, flags, offset); +- pthread_mutex_unlock (&open_temp_exec_file_mutex); ++ pthread_mutex_lock (&open_temp_exec_file_mutex); ++ ptr = dlmmap_locked (start, length, prot, flags, offset); ++ pthread_mutex_unlock (&open_temp_exec_file_mutex); + +- return ptr; +- } +- +- return dlmmap_locked (start, length, prot, flags, offset); ++ return ptr; + } + + /* Release memory at the given address, as well as the corresponding + +From 7aad5f895e2dfdb79d2ef67e1b231d21063e6511 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Stefan=20B=C3=BChler?= <buehler@cert.uni-stuttgart.de> +Date: Wed, 7 Sep 2016 15:50:54 +0200 +Subject: [PATCH 2/2] ignore PaX EMUTRAMP flag; instead check for MPROTECT + +- code using ffi_closure_alloc doesn't necessarily generate gcc compatible trampolines; only those are allowed by PaX +- if MPROTECT is enabled use the same workaround as is used for SELinux (double mmap()) +--- + src/closures.c | 29 +++++++++++++---------------- + 1 file changed, 13 insertions(+), 16 deletions(-) + +diff --git a/src/closures.c b/src/closures.c +index 04d6e27f..babecc1a 100644 +--- a/src/closures.c ++++ b/src/closures.c +@@ -401,14 +401,15 @@ selinux_enabled_check (void) + + #endif /* !FFI_MMAP_EXEC_SELINUX */ + +-/* On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC. */ ++/* On PaX enable kernels that have MPROTECT enabled we can't use PROT_EXEC. */ + #ifdef FFI_MMAP_EXEC_EMUTRAMP_PAX + #include <stdlib.h> + +-static int emutramp_enabled = -1; ++/* -1: not read yet; 0: no PaX or MPROTECT disabled; 1: MPROTECT enabled. */ ++static int mprotect_enabled = -1; + + static int +-emutramp_enabled_check (void) ++mprotect_enabled_check (void) + { + char *buf = NULL; + size_t len = 0; +@@ -422,9 +423,7 @@ emutramp_enabled_check (void) + while (getline (&buf, &len, f) != -1) + if (!strncmp (buf, "PaX:", 4)) + { +- char emutramp; +- if (sscanf (buf, "%*s %*c%c", &emutramp) == 1) +- ret = (emutramp == 'E'); ++ ret = (NULL != strchr (buf + 4, 'M')); + break; + } + free (buf); +@@ -432,8 +431,9 @@ emutramp_enabled_check (void) + return ret; + } + +-#define is_emutramp_enabled() (emutramp_enabled >= 0 ? emutramp_enabled \ +- : (emutramp_enabled = emutramp_enabled_check ())) ++#define is_mprotect_enabled() (mprotect_enabled >= 0 ? mprotect_enabled \ ++ : (mprotect_enabled = mprotect_enabled_check ())) ++ + #endif /* FFI_MMAP_EXEC_EMUTRAMP_PAX */ + + #elif defined (__CYGWIN__) || defined(__INTERIX) +@@ -446,7 +446,7 @@ emutramp_enabled_check (void) + #endif /* !defined(X86_WIN32) && !defined(X86_WIN64) */ + + #ifndef FFI_MMAP_EXEC_EMUTRAMP_PAX +-#define is_emutramp_enabled() 0 ++#define is_mprotect_enabled() 0 + #endif /* FFI_MMAP_EXEC_EMUTRAMP_PAX */ + + /* Declare all functions defined in dlmalloc.c as static. */ +@@ -750,13 +750,10 @@ dlmmap (void *start, size_t length, int prot, + && flags == (MAP_PRIVATE | MAP_ANONYMOUS) + && fd == -1 && offset == 0); + +- if (execfd == -1 && is_emutramp_enabled ()) +- { +- ptr = mmap (start, length, prot & ~PROT_EXEC, flags, fd, offset); +- return ptr; +- } +- +- if (execfd == -1 && !is_selinux_enabled ()) ++ /* -1 != execfd hints that we already decided to use dlmmap_locked ++ last time. If PaX MPROTECT or SELinux is active fallback to ++ dlmmap_locked. */ ++ if (execfd == -1 && !is_mprotect_enabled () && !is_selinux_enabled ()) + { + ptr = mmap (start, length, prot | PROT_EXEC, flags, fd, offset); + |