diff options
author | Aníbal Limón <anibal.limon@linaro.org> | 2018-10-03 23:59:21 +0200 |
---|---|---|
committer | Aníbal Limón <anibal.limon@linaro.org> | 2018-10-03 17:11:33 -0500 |
commit | 7e7f09b731ac8ec09cc87ed058908c8479b8c7ab (patch) | |
tree | d6815f376474e41b29aa00665abac776d6354cf9 | |
parent | 66772742dc783df5fd2f1ef28de20e2b4d6ee31d (diff) |
gcc-linaro-7.*: Only use gcc libssp linker flags when build for musl
GLibc provides there own version for libssp to support -fstack-protector
so only use linker flags when build for musl.
Backport see,
http://git.openembedded.org/openembedded-core/commit/?id=d71eba26850838b2878efea3f8c392a2eb2ebbfb
Fixed oe-rpb master builds failing in perl,
https://ci.linaro.org/job/96boards-reference-platform-openembedded-master/DISTRO=rpb,MACHINE=hikey,label=docker-stretch-amd64/761/console
Change-Id: I82ad7fa86df6ed56512891c20e43e62418a53f61
Signed-off-by: Aníbal Limón <anibal.limon@linaro.org>
6 files changed, 176 insertions, 58 deletions
diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1.inc b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1.inc index 602dbe79..9e069ebb 100644 --- a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1.inc +++ b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1.inc @@ -65,7 +65,7 @@ SRC_URI = "\ file://0037-Search-target-sysroot-gcc-version-specific-dirs-with.patch \ file://0038-Fix-various-_FOR_BUILD-and-related-variables.patch \ file://0039-nios2-Define-MUSL_DYNAMIC_LINKER.patch \ - file://0040-ssp_nonshared.patch \ + file://0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch \ file://0041-gcc-libcpp-support-ffile-prefix-map-old-new.patch \ file://0042-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch \ file://0043-gcc-final.c-fdebug-prefix-map-support-to-remap-sourc.patch \ diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch new file mode 100644 index 00000000..29b7ce72 --- /dev/null +++ b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch @@ -0,0 +1,87 @@ +From 210f6b3b82084cc756e02b8bc12f909a43b14ee8 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Tue, 27 Jun 2017 18:10:54 -0700 +Subject: [PATCH 40/49] Add ssp_nonshared to link commandline for musl targets + +when -fstack-protector options are enabled we need to +link with ssp_shared on musl since it does not provide +the __stack_chk_fail_local() so essentially it provides +libssp but not libssp_nonshared something like +TARGET_LIBC_PROVIDES_SSP_BUT_NOT_SSP_NONSHARED + where-as for glibc the needed symbols +are already present in libc_nonshared library therefore +we do not need any library helper on glibc based systems +but musl needs the libssp_noshared from gcc + +Upstream-Status: Pending + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + gcc/config/linux.h | 7 +++++++ + gcc/config/rs6000/linux.h | 10 ++++++++++ + gcc/config/rs6000/linux64.h | 10 ++++++++++ + 3 files changed, 27 insertions(+) + +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +index 2e683d0c430..1b4df798671 100644 +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -182,6 +182,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ + { 0, 0, 0, 0, 0, 0 } \ + } ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++ + #endif + + #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */ +diff --git a/gcc/config/rs6000/linux.h b/gcc/config/rs6000/linux.h +index 684afd6c190..22cfa391b89 100644 +--- a/gcc/config/rs6000/linux.h ++++ b/gcc/config/rs6000/linux.h +@@ -91,6 +91,16 @@ + " -m elf32ppclinux") + #endif + ++/* link libssp_nonshared.a with musl */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++#endif ++ + #undef LINK_OS_LINUX_SPEC + #define LINK_OS_LINUX_SPEC LINK_OS_LINUX_EMUL " %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ +diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h +index 3b00ec0fcf0..8371f8d7b6b 100644 +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -465,6 +465,16 @@ extern int dot_symbols; + " -m elf64ppc") + #endif + ++/* link libssp_nonshared.a with musl */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++#endif ++ + #define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ +-- +2.13.2 + diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-ssp_nonshared.patch b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-ssp_nonshared.patch deleted file mode 100644 index e9fb35cb..00000000 --- a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.1/0040-ssp_nonshared.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 6c98538411ac30c2262b2635547974c6cd1699c5 Mon Sep 17 00:00:00 2001 -From: Szabolcs Nagy <nsz@port70.net> -Date: Sat, 7 Nov 2015 14:58:40 +0000 -Subject: [PATCH 40/47] ssp_nonshared - ---- -Upstream-Status: Inappropriate [OE-Specific] - - gcc/gcc.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - -diff --git a/gcc/gcc.c b/gcc/gcc.c -index 84af5d5a2e1..2c6471aa565 100644 ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -872,7 +872,8 @@ proper position among the other output files. */ - #ifndef LINK_SSP_SPEC - #ifdef TARGET_LIBC_PROVIDES_SSP - #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ -- "|fstack-protector-strong|fstack-protector-explicit:}" -+ "|fstack-protector-strong|fstack-protector-explicit" \ -+ ":-lssp_nonshared}" - #else - #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ - "|fstack-protector-strong|fstack-protector-explicit" \ --- -2.12.2 - diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2.inc b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2.inc index 63a66b44..39f5391e 100644 --- a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2.inc +++ b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2.inc @@ -66,7 +66,7 @@ SRC_URI = "\ file://0037-Search-target-sysroot-gcc-version-specific-dirs-with.patch \ file://0038-Fix-various-_FOR_BUILD-and-related-variables.patch \ file://0039-nios2-Define-MUSL_DYNAMIC_LINKER.patch \ - file://0040-ssp_nonshared.patch \ + file://0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch \ file://0041-gcc-libcpp-support-ffile-prefix-map-old-new.patch \ file://0042-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch \ file://0043-gcc-final.c-fdebug-prefix-map-support-to-remap-sourc.patch \ diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch new file mode 100644 index 00000000..29b7ce72 --- /dev/null +++ b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch @@ -0,0 +1,87 @@ +From 210f6b3b82084cc756e02b8bc12f909a43b14ee8 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Tue, 27 Jun 2017 18:10:54 -0700 +Subject: [PATCH 40/49] Add ssp_nonshared to link commandline for musl targets + +when -fstack-protector options are enabled we need to +link with ssp_shared on musl since it does not provide +the __stack_chk_fail_local() so essentially it provides +libssp but not libssp_nonshared something like +TARGET_LIBC_PROVIDES_SSP_BUT_NOT_SSP_NONSHARED + where-as for glibc the needed symbols +are already present in libc_nonshared library therefore +we do not need any library helper on glibc based systems +but musl needs the libssp_noshared from gcc + +Upstream-Status: Pending + +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + gcc/config/linux.h | 7 +++++++ + gcc/config/rs6000/linux.h | 10 ++++++++++ + gcc/config/rs6000/linux64.h | 10 ++++++++++ + 3 files changed, 27 insertions(+) + +diff --git a/gcc/config/linux.h b/gcc/config/linux.h +index 2e683d0c430..1b4df798671 100644 +--- a/gcc/config/linux.h ++++ b/gcc/config/linux.h +@@ -182,6 +182,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see + { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \ + { 0, 0, 0, 0, 0, 0 } \ + } ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++ + #endif + + #if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */ +diff --git a/gcc/config/rs6000/linux.h b/gcc/config/rs6000/linux.h +index 684afd6c190..22cfa391b89 100644 +--- a/gcc/config/rs6000/linux.h ++++ b/gcc/config/rs6000/linux.h +@@ -91,6 +91,16 @@ + " -m elf32ppclinux") + #endif + ++/* link libssp_nonshared.a with musl */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++#endif ++ + #undef LINK_OS_LINUX_SPEC + #define LINK_OS_LINUX_SPEC LINK_OS_LINUX_EMUL " %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ +diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h +index 3b00ec0fcf0..8371f8d7b6b 100644 +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -465,6 +465,16 @@ extern int dot_symbols; + " -m elf64ppc") + #endif + ++/* link libssp_nonshared.a with musl */ ++#if DEFAULT_LIBC == LIBC_MUSL ++#ifdef TARGET_LIBC_PROVIDES_SSP ++#undef LINK_SSP_SPEC ++#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ ++ "|fstack-protector-strong|fstack-protector-explicit" \ ++ ":-lssp_nonshared}" ++#endif ++#endif ++ + #define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \ + %{rdynamic:-export-dynamic} \ + -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \ +-- +2.13.2 + diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-ssp_nonshared.patch b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-ssp_nonshared.patch deleted file mode 100644 index e9fb35cb..00000000 --- a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-linaro-7.2/0040-ssp_nonshared.patch +++ /dev/null @@ -1,28 +0,0 @@ -From 6c98538411ac30c2262b2635547974c6cd1699c5 Mon Sep 17 00:00:00 2001 -From: Szabolcs Nagy <nsz@port70.net> -Date: Sat, 7 Nov 2015 14:58:40 +0000 -Subject: [PATCH 40/47] ssp_nonshared - ---- -Upstream-Status: Inappropriate [OE-Specific] - - gcc/gcc.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - -diff --git a/gcc/gcc.c b/gcc/gcc.c -index 84af5d5a2e1..2c6471aa565 100644 ---- a/gcc/gcc.c -+++ b/gcc/gcc.c -@@ -872,7 +872,8 @@ proper position among the other output files. */ - #ifndef LINK_SSP_SPEC - #ifdef TARGET_LIBC_PROVIDES_SSP - #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ -- "|fstack-protector-strong|fstack-protector-explicit:}" -+ "|fstack-protector-strong|fstack-protector-explicit" \ -+ ":-lssp_nonshared}" - #else - #define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \ - "|fstack-protector-strong|fstack-protector-explicit" \ --- -2.12.2 - |