diff options
-rw-r--r-- | gcc/ChangeLog | 13 | ||||
-rw-r--r-- | gcc/config.gcc | 5 | ||||
-rw-r--r-- | gcc/config/arm/bpabi.h | 5 | ||||
-rw-r--r-- | gcc/config/arm/linux-eabi.h | 7 | ||||
-rw-r--r-- | gcc/config/arm/uclinuxfdpiceabi.h | 54 | ||||
-rw-r--r-- | libsanitizer/ChangeLog | 6 | ||||
-rw-r--r-- | libsanitizer/configure.tgt | 3 |
7 files changed, 89 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d437968..90c7ecd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,17 @@ 2019-09-10 Christophe Lyon <christophe.lyon@st.com> + Mickaël Guêné <mickael.guene@st.com> - * config.gcc: Handle *-*-uclinuxfdpiceabi. + * config.gcc: Handle arm*-*-uclinuxfdpiceabi. + * config/arm/bpabi.h (TARGET_FDPIC_ASM_SPEC): New. + (SUBTARGET_EXTRA_ASM_SPEC): Use TARGET_FDPIC_ASM_SPEC. + * config/arm/linux-eabi.h (FDPIC_CC1_SPEC): New. + (CC1_SPEC): Use FDPIC_CC1_SPEC. + (MUSL_DYNAMIC_LINKER): Add -fdpic suffix when needed. + * config/arm/uclinuxfdpiceabi.h: New file. + +2019-09-10 Christophe Lyon <christophe.lyon@st.com> + + * config.gcc: Handle *-*-uclinuxfdpiceabi. 2019-09-10 Christophe Lyon <christophe.lyon@st.com> Mickaël Guêné <mickael.guene@st.com> diff --git a/gcc/config.gcc b/gcc/config.gcc index 3554449..69d0a02 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -1211,6 +1211,11 @@ arm*-*-linux-* | arm*-*-uclinuxfdpiceabi) esac tmake_file="${tmake_file} arm/t-arm arm/t-arm-elf arm/t-bpabi arm/t-linux-eabi" tm_file="$tm_file arm/bpabi.h arm/linux-eabi.h arm/aout.h arm/arm.h" + case $target in + arm*-*-uclinuxfdpiceabi) + tm_file="$tm_file arm/uclinuxfdpiceabi.h" + ;; + esac # Generation of floating-point instructions requires at least ARMv5te. if [ "$with_float" = "hard" -o "$with_float" = "softfp" ] ; then target_cpu_cname="arm10e" diff --git a/gcc/config/arm/bpabi.h b/gcc/config/arm/bpabi.h index e1bacf4..75d9a99 100644 --- a/gcc/config/arm/bpabi.h +++ b/gcc/config/arm/bpabi.h @@ -55,6 +55,8 @@ #define TARGET_FIX_V4BX_SPEC " %{mcpu=arm8|mcpu=arm810|mcpu=strongarm*"\ "|march=armv4|mcpu=fa526|mcpu=fa626:--fix-v4bx}" +#define TARGET_FDPIC_ASM_SPEC "" + #define BE8_LINK_SPEC \ "%{!r:%{!mbe32:%:be8_linkopt(%{mlittle-endian:little}" \ " %{mbig-endian:big}" \ @@ -64,7 +66,8 @@ /* Tell the assembler to build BPABI binaries. */ #undef SUBTARGET_EXTRA_ASM_SPEC #define SUBTARGET_EXTRA_ASM_SPEC \ - "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC + "%{mabi=apcs-gnu|mabi=atpcs:-meabi=gnu;:-meabi=5}" TARGET_FIX_V4BX_SPEC \ + TARGET_FDPIC_ASM_SPEC #ifndef SUBTARGET_EXTRA_LINK_SPEC #define SUBTARGET_EXTRA_LINK_SPEC "" diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h index 66ec0ea..b348971 100644 --- a/gcc/config/arm/linux-eabi.h +++ b/gcc/config/arm/linux-eabi.h @@ -89,7 +89,7 @@ #define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}" #endif #define MUSL_DYNAMIC_LINKER \ - "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1" + "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}%{mfdpic:-fdpic}.so.1" /* At this point, bpabi.h will have clobbered LINK_SPEC. We want to use the GNU/Linux version, not the generic BPABI version. */ @@ -101,9 +101,12 @@ #undef ASAN_CC1_SPEC #define ASAN_CC1_SPEC "%{%:sanitize(address):-funwind-tables}" +#define FDPIC_CC1_SPEC "" + #undef CC1_SPEC #define CC1_SPEC \ - LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC, \ + LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ + FDPIC_CC1_SPEC, \ GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ ANDROID_CC1_SPEC) diff --git a/gcc/config/arm/uclinuxfdpiceabi.h b/gcc/config/arm/uclinuxfdpiceabi.h new file mode 100644 index 0000000..328adcb --- /dev/null +++ b/gcc/config/arm/uclinuxfdpiceabi.h @@ -0,0 +1,54 @@ +/* Configuration file for ARM GNU/Linux FDPIC EABI targets. + Copyright (C) 2018,2019 Free Software Foundation, Inc. + Contributed by STMicroelectronics. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3, or (at your + option) any later version. + + GCC is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU General Public License + along with GCC; see the file COPYING3. If not see + <http://www.gnu.org/licenses/>. */ + +/* On uClibc EABI GNU/Linux, we want to force -mfdpic by default, + which also means we produce PIE code by default. */ +#undef FDPIC_CC1_SPEC +#define FDPIC_CC1_SPEC \ + "%{!mno-fdpic:-mfdpic %{!fno-PIE:%{!fpie:%{!fPIC:%{!fpic: -fPIE}}}}}" + +/* Add --fdpic assembler flag by default. */ +#undef TARGET_FDPIC_ASM_SPEC +#define TARGET_FDPIC_ASM_SPEC "%{!mno-fdpic: --fdpic}" + +/* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ +#if TARGET_BIG_ENDIAN_DEFAULT +#define TARGET_FDPIC_LINKER_EMULATION "armelfb_linux_fdpiceabi" +#else +#define TARGET_FDPIC_LINKER_EMULATION "armelf_linux_fdpiceabi" +#endif + +/* Unless we generate a shared library or a relocatable object, we + force -pie. */ +/* -static is not supported, because we have to define the + dynamic-linker, as we have some relocations to resolve at load + time. We do not generate an error in case the user explictly passes + the -dynamic-linker option to the linker. */ +#undef SUBTARGET_EXTRA_LINK_SPEC +#define SUBTARGET_EXTRA_LINK_SPEC \ + "%{!mno-fdpic: -m " TARGET_FDPIC_LINKER_EMULATION \ + "%{!shared:%{!r: -pie}} }" \ + "%{mno-fdpic: -m " TARGET_LINKER_EMULATION "}" \ + "%{!r:%{!mno-fdpic: -z now}}" + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{!mno-fdpic:%{!shared:crtreloc.o%s}} " \ + LINUX_OR_ANDROID_LD (GNU_USER_TARGET_STARTFILE_SPEC, ANDROID_STARTFILE_SPEC) diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog index 0073abe..a28b63e 100644 --- a/libsanitizer/ChangeLog +++ b/libsanitizer/ChangeLog @@ -1,3 +1,9 @@ +2019-09-10 Christophe Lyon <christophe.lyon@st.com> + Mickaël Guêné <mickael.guene@st.com> + + * configure.tgt (arm*-*-*fdpiceabi): Sanitizers are + unsupported in this configuration. + 2019-08-16 Iain Sandoe <iain@sandoe.co.uk> * LOCAL_PATCHES: Add r274585. diff --git a/libsanitizer/configure.tgt b/libsanitizer/configure.tgt index 3fb90ea..714f292 100644 --- a/libsanitizer/configure.tgt +++ b/libsanitizer/configure.tgt @@ -42,6 +42,9 @@ case "${target}" in ;; sparc*-*-solaris2.11*) ;; + arm*-*-*fdpiceabi) + UNSUPPORTED=1 + ;; arm*-*-linux*) ;; mips*64*-*-linux*) |