|
|
# --- SDE-COPYRIGHT-NOTE-BEGIN ---# This copyright note is auto-generated by ./scripts/Create-CopyPatch.## Filename: package/.../musl/pkg/gcc/0005-On-linux-targets-pass-as-needed-by-default-to-the-li.patch# Copyright (C) 2020 The OpenSDE Project## More information can be found in the files COPYING and README.## This patch file is dual-licensed. It is available under the license the# patched project is licensed under, as long as it is an OpenSource license# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms# of the GNU General Public License as published by the Free Software# Foundation; either version 2 of the License, or (at your option) any later# version.# --- SDE-COPYRIGHT-NOTE-END ---
From 872e0a15a2b74cd6b6ba58e2e7e1605543ea36bd Mon Sep 17 00:00:00 2001From: Ariadne Conill <ariadne@dereferenced.org>Date: Fri, 21 Aug 2020 06:46:56 +0000Subject: [PATCH 05/30] On linux targets pass --as-needed by default to the linker, but always link the sanitizer libraries with --no-as-needed.
---
gcc/config/aarch64/aarch64-linux.h | 1 + gcc/config/alpha/linux-elf.h | 2 +- gcc/config/arm/linux-elf.h | 1 + gcc/config/gnu-user.h | 6 +++--- gcc/config/i386/gnu-user.h | 2 +- gcc/config/i386/gnu-user64.h | 1 + gcc/config/ia64/linux.h | 2 +- gcc/config/mips/gnu-user.h | 1 + gcc/config/riscv/linux.h | 1 + gcc/config/rs6000/linux64.h | 4 ++-- gcc/config/rs6000/sysv4.h | 2 +- gcc/config/s390/linux.h | 2 +- gcc/config/sparc/linux.h | 2 +- gcc/gcc.c | 28 ++++++++++++++++++++-------- 14 files changed, 36 insertions(+), 19 deletions(-)
diff --git a/gcc/config/aarch64/aarch64-linux.h b/gcc/config/aarch64/aarch64-linux.h
index e587e2e9ad6..1d1017aa523 100644
--- a/gcc/config/aarch64/aarch64-linux.h
+++ b/gcc/config/aarch64/aarch64-linux.h
@@ -35,6 +35,7 @@
#define CPP_SPEC "%{pthread:-D_REENTRANT}" #define LINUX_TARGET_LINK_SPEC "%{h*} \+ --as-needed \
%{static:-Bstatic} \ %{shared:-shared} \ %{symbolic:-Bsymbolic} \diff --git a/gcc/config/alpha/linux-elf.h b/gcc/config/alpha/linux-elf.h
index e25fcac3c59..22b2f7b0d14 100644
--- a/gcc/config/alpha/linux-elf.h
+++ b/gcc/config/alpha/linux-elf.h
@@ -37,7 +37,7 @@ along with GCC; see the file COPYING3. If not see
#define ELF_DYNAMIC_LINKER GNU_USER_DYNAMIC_LINKER -#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
+#define LINK_SPEC "-m elf64alpha --as-needed %{G*} %{relax:-relax} \
%{O*:-O3} %{!O*:-O1} \ %{shared:-shared} \ %{!shared: \diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h
index 0ec3aa53189..f8bda84de2a 100644
--- a/gcc/config/arm/linux-elf.h
+++ b/gcc/config/arm/linux-elf.h
@@ -70,6 +70,7 @@
%{rdynamic:-export-dynamic} \ %{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \ -X \+ --as-needed \
%{mbig-endian:-EB} %{mlittle-endian:-EL}" \ SUBTARGET_EXTRA_LINK_SPEC diff --git a/gcc/config/gnu-user.h b/gcc/config/gnu-user.h
index ff2e880b1fa..7f30c363e4a 100644
--- a/gcc/config/gnu-user.h
+++ b/gcc/config/gnu-user.h
@@ -136,17 +136,17 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \ "%{static-libasan:%{!shared:" \ LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \- LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
+ LD_DYNAMIC_OPTION "}}%{!static-libasan:%{!fuse-ld=gold:--push-state} --no-as-needed -lasan %{fuse-ld=gold:--as-needed;:--pop-state}}"
#undef LIBTSAN_EARLY_SPEC #define LIBTSAN_EARLY_SPEC "%{!shared:libtsan_preinit%O%s} " \ "%{static-libtsan:%{!shared:" \ LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \- LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
+ LD_DYNAMIC_OPTION "}}%{!static-libtsan:%{!fuse-ld=gold:--push-state} --no-as-needed -ltsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
#undef LIBLSAN_EARLY_SPEC #define LIBLSAN_EARLY_SPEC "%{!shared:liblsan_preinit%O%s} " \ "%{static-liblsan:%{!shared:" \ LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \- LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
+ LD_DYNAMIC_OPTION "}}%{!static-liblsan:%{!fuse-ld=gold:--push-state} --no-as-needed -llsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
#endif #undef TARGET_F951_OPTIONSdiff --git a/gcc/config/i386/gnu-user.h b/gcc/config/i386/gnu-user.h
index ae4aa844f02..54b91c0492a 100644
--- a/gcc/config/i386/gnu-user.h
+++ b/gcc/config/i386/gnu-user.h
@@ -74,7 +74,7 @@ along with GCC; see the file COPYING3. If not see
{ "link_emulation", GNU_USER_LINK_EMULATION },\ { "dynamic_linker", GNU_USER_DYNAMIC_LINKER } -#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
+#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) --as-needed %{shared:-shared} \
%{!shared: \ %{!static: \ %{!static-pie: \diff --git a/gcc/config/i386/gnu-user64.h b/gcc/config/i386/gnu-user64.h
index 785c68220b8..21dd66b412a 100644
--- a/gcc/config/i386/gnu-user64.h
+++ b/gcc/config/i386/gnu-user64.h
@@ -56,6 +56,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
"%{" SPEC_64 ":-m " GNU_USER_LINK_EMULATION64 "} \ %{" SPEC_32 ":-m " GNU_USER_LINK_EMULATION32 "} \ %{" SPEC_X32 ":-m " GNU_USER_LINK_EMULATIONX32 "} \+ --as-needed \
%{shared:-shared} \ %{!shared: \ %{!static: \diff --git a/gcc/config/ia64/linux.h b/gcc/config/ia64/linux.h
index ee38e218aec..0325971d818 100644
--- a/gcc/config/ia64/linux.h
+++ b/gcc/config/ia64/linux.h
@@ -58,7 +58,7 @@ do { \
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2" #undef LINK_SPEC-#define LINK_SPEC "\
+#define LINK_SPEC " --as-needed \
%{shared:-shared} \ %{!shared: \ %{!static: \diff --git a/gcc/config/mips/gnu-user.h b/gcc/config/mips/gnu-user.h
index 5d0782100bb..4be5fbb2191 100644
--- a/gcc/config/mips/gnu-user.h
+++ b/gcc/config/mips/gnu-user.h
@@ -55,6 +55,7 @@ along with GCC; see the file COPYING3. If not see
#undef GNU_USER_TARGET_LINK_SPEC #define GNU_USER_TARGET_LINK_SPEC "\ %{G*} %{EB} %{EL} %{mips*} %{shared} \+ -as-needed \
%{!shared: \ %{!static: \ %{rdynamic:-export-dynamic} \diff --git a/gcc/config/riscv/linux.h b/gcc/config/riscv/linux.h
index 4afef7c228c..ba1a6e60e05 100644
--- a/gcc/config/riscv/linux.h
+++ b/gcc/config/riscv/linux.h
@@ -58,6 +58,7 @@ along with GCC; see the file COPYING3. If not see
"%{mabi=ilp32:_ilp32}" #define LINK_SPEC "\+-as-needed \
-melf" XLEN_SPEC "lriscv" LD_EMUL_SUFFIX " \ %{mno-relax:--no-relax} \ %{shared} \diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h
index 2ded3301282..a1e44ddcc0d 100644
--- a/gcc/config/rs6000/linux64.h
+++ b/gcc/config/rs6000/linux64.h
@@ -457,13 +457,13 @@ extern int dot_symbols;
" -m elf64ppc") #endif -#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \
+#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " --as-needed %{!shared: %{!static: \
%{!static-pie: \ %{rdynamic:-export-dynamic} \ -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}}} \ %(link_os_extra_spec32)" -#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " %{!shared: %{!static: \
+#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " --as-needed %{!shared: %{!static: \
%{!static-pie: \ %{rdynamic:-export-dynamic} \ -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}} \diff --git a/gcc/config/rs6000/sysv4.h b/gcc/config/rs6000/sysv4.h
index 9ade72114e9..9490b84a153 100644
--- a/gcc/config/rs6000/sysv4.h
+++ b/gcc/config/rs6000/sysv4.h
@@ -789,7 +789,7 @@ GNU_USER_TARGET_CC1_SPEC
#define GNU_USER_DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER #endif -#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
+#define LINK_OS_LINUX_SPEC "-m elf32ppclinux --as-needed %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}" diff --git a/gcc/config/s390/linux.h b/gcc/config/s390/linux.h
index 6919b468f06..56d52d41b31 100644
--- a/gcc/config/s390/linux.h
+++ b/gcc/config/s390/linux.h
@@ -82,7 +82,7 @@ along with GCC; see the file COPYING3. If not see
#undef LINK_SPEC #define LINK_SPEC \- "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
+ "%{m31:-m elf_s390}%{m64:-m elf64_s390} --as-needed \
%{shared:-shared} \ %{!shared: \ %{static:-static} \diff --git a/gcc/config/sparc/linux.h b/gcc/config/sparc/linux.h
index 81201e67a2f..6477d7ec52e 100644
--- a/gcc/config/sparc/linux.h
+++ b/gcc/config/sparc/linux.h
@@ -87,7 +87,7 @@ extern const char *host_detect_local_cpu (int argc, const char **argv);
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2" #undef LINK_SPEC-#define LINK_SPEC "-m elf32_sparc %{shared:-shared} \
+#define LINK_SPEC "-m elf32_sparc --as-needed %{shared:-shared} \
%{!mno-relax:%{!r:-relax}} \ %{!shared: \ %{!static: \diff --git a/gcc/gcc.c b/gcc/gcc.c
index 625c9ab7902..7aec9d3a016 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -695,8 +695,11 @@ proper position among the other output files. */
#ifdef LIBASAN_EARLY_SPEC #define LIBASAN_SPEC STATIC_LIBASAN_LIBS #elif defined(HAVE_LD_STATIC_DYNAMIC)-#define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION \
- "} -lasan %{static-libasan:" LD_DYNAMIC_OPTION "}" \
+#define LIBASAN_SPEC "%{static-libasan:" LD_STATIC_OPTION "}" \
+ " %{!static-libasan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
+ " -lasan " \
+ " %{static-libasan:" LD_DYNAMIC_OPTION "}" \
+ " %{!static-libasan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
STATIC_LIBASAN_LIBS #else #define LIBASAN_SPEC "-lasan" STATIC_LIBASAN_LIBS@@ -713,8 +716,11 @@ proper position among the other output files. */
#ifdef LIBTSAN_EARLY_SPEC #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS #elif defined(HAVE_LD_STATIC_DYNAMIC)-#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
- "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
+#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION "}" \
+ " %{!static-libtsan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
+ " -ltsan " \
+ " %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
+ " %{!static-libtsan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
STATIC_LIBTSAN_LIBS #else #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS@@ -731,8 +737,11 @@ proper position among the other output files. */
#ifdef LIBLSAN_EARLY_SPEC #define LIBLSAN_SPEC STATIC_LIBLSAN_LIBS #elif defined(HAVE_LD_STATIC_DYNAMIC)-#define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION \
- "} -llsan %{static-liblsan:" LD_DYNAMIC_OPTION "}" \
+#define LIBLSAN_SPEC "%{static-liblsan:" LD_STATIC_OPTION "}" \
+ " %{!static-liblsan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
+ " -llsan " \
+ " %{static-liblsan:" LD_DYNAMIC_OPTION "}" \
+ " %{!static-liblsan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
STATIC_LIBLSAN_LIBS #else #define LIBLSAN_SPEC "-llsan" STATIC_LIBLSAN_LIBS@@ -747,8 +756,11 @@ proper position among the other output files. */
#define STATIC_LIBUBSAN_LIBS \ " %{static-libubsan|static:%:include(libsanitizer.spec)%(link_libubsan)}" #ifdef HAVE_LD_STATIC_DYNAMIC-#define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION \
- "} -lubsan %{static-libubsan:" LD_DYNAMIC_OPTION "}" \
+#define LIBUBSAN_SPEC "%{static-libubsan:" LD_STATIC_OPTION "}" \
+ " %{!static-libubsan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
+ " -lubsan " \
+ " %{static-libubsan:" LD_DYNAMIC_OPTION "}" \
+ " %{!static-libubsan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
STATIC_LIBUBSAN_LIBS #else #define LIBUBSAN_SPEC "-lubsan" STATIC_LIBUBSAN_LIBS--
2.27.0
|
