diff options
Diffstat (limited to 'meta-linaro-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0033-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch')
| -rw-r--r-- | meta-linaro-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0033-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/meta-linaro-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0033-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0033-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch new file mode 100644 index 00000000..05a6b0a1 --- /dev/null +++ b/meta-linaro-toolchain/recipes-devtools/gcc/gcc-arm-8.2/0033-Add-ssp_nonshared-to-link-commandline-for-musl-targe.patch @@ -0,0 +1,87 @@ +From 84b55ab2f68710a583d4ec810ea8b3b68576f8aa 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 33/39] 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 487b0c0923b..4769d089538 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 01b40c762f6..e7c5e92215c 100644 +--- a/gcc/config/rs6000/linux.h ++++ b/gcc/config/rs6000/linux.h +@@ -92,6 +92,16 @@ + " -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: \ + %{!static-pie: \ +diff --git a/gcc/config/rs6000/linux64.h b/gcc/config/rs6000/linux64.h +index 55695dadd91..60f1ee24985 100644 +--- a/gcc/config/rs6000/linux64.h ++++ b/gcc/config/rs6000/linux64.h +@@ -473,6 +473,16 @@ 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: \ + %{!static-pie: \ + %{rdynamic:-export-dynamic} \ +-- +2.17.0 + |