diff options
Diffstat (limited to 'gcc-4.7.0/piepatch/06_all_gcc45_esp.h.patch')
| -rw-r--r-- | gcc-4.7.0/piepatch/06_all_gcc45_esp.h.patch | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/gcc-4.7.0/piepatch/06_all_gcc45_esp.h.patch b/gcc-4.7.0/piepatch/06_all_gcc45_esp.h.patch new file mode 100644 index 0000000..c51e8b4 --- /dev/null +++ b/gcc-4.7.0/piepatch/06_all_gcc45_esp.h.patch @@ -0,0 +1,153 @@ +2011-12-05 Magnus Granberg <zorry@gentoo.org> + + * gcc/esp.h New file to support --enable-esp + Version 20111205.1 + +--- gcc/esp.h 2010-04-09 16:14:00.000000000 +0200 ++++ gcc/esp.h 2010-04-29 21:30:47.000000000 +0200 +@@ -0,0 +1,145 @@ ++/* License terms see GNU GENERAL PUBLIC LICENSE Version 3. ++ * Version 20111205.1 ++ * Magnus Granberg (Zorry) <zorry@gentoo.org> */ ++#ifndef GCC_ESP_H ++#define GCC_ESP_H ++ ++/* This file will add -fstack-protector-all, -fPIE, -pie and -z now ++ as default if the defines and the spec allow it. ++ Added a hack for gcc-specs-* in toolchain-funcs.eclass and _filter-hardened in flag-o-matic.eclass ++ to support older hardened GCC patches and we don't need to change the code on gcc-specs-* and _filter-hardened. ++ This will add some unsupported upstream commands options as -nopie and -nonow. ++ -D__KERNEL__ is added so we don't have -fPIE, -pie and -fstack-protector-all when building kernels. ++ ESP_CC1_SPEC is added to CC1_SPEC. ++ ESP_CC1_STRICT_OVERFLOW_SPEC is added so we don't disable the strict-overflow check. ++ ESP_LINK_PIE_CHECK_SPEC check for -pie, -p, -pg, -profile and -static. ++ ENABLE_CRTBEGINP add support for crtbeginP.o, build -static with -fPIE or -fpie. ++*/ ++#ifdef ENABLE_ESP ++ ++ /* Hack to support gcc-specs-* in toolchain-funcs.eclass and _filter-hardened in flag-o-matic.eclass */ ++ #define ESP_CC1_SPEC " %(esp_cc1_ssp) %(esp_cc1_pie) %(esp_cc1_strict_overflow)" ++ #if defined ( EFAULT_SSP ) || defined ( EFAULT_PIE_SSP ) ++ #define ESP_CC1_SSP_SPEC "%{!fno-stack-protector: %{!fno-stack-protector-all: }}" ++ #else ++ #define ESP_CC1_SSP_SPEC "" ++ #endif ++ #if defined ( EFAULT_PIE ) || defined ( EFAULT_PIE_SSP ) ++ #define ESP_CC1_PIE_SPEC "%{!nopie: }" ++ #else ++ #define ESP_CC1_PIE_SPEC "" ++ #endif ++ #define ESP_CC1_STRICT_OVERFLOW_SPEC "%{!fstrict-overflow:%{!fno-strict-overflow: -fno-strict-overflow}}" ++ ++ /* ESP_LINK_SPEC is added to LINK_PIE_SPEC if esp is enable ++ -z now will be added if we don't have -vanilla spec. We do a -pie incompatible check ++ Don't remove the specs in the end */ ++ #define ESP_LINK_SPEC "%(esp_link_now) %(esp_link_pie_check) " ++ #define ESP_LINK_NOW_SPEC "%{!nonow:-z now}" ++ ++ /* We use ESP_COMMAND_OPTIONS_SPEC to add pie command-line options. */ ++ #define ESP_COMMAND_OPTIONS_SPEC "%{!D__KERNEL__:%{!nopie:%(esp_options_pie) %(esp_link_pie)}}" ++ ++ /* ESP_OPTIONS_SPEC is added to the compiler spec in gcc/gcc.c */ ++ #define ESP_OPTIONS_SPEC "%(esp_options_ssp)" ++ ++ /* ESP_CPP_OPTIONS_SPEC is added to the cpp_options spec in gcc/gcc.c ++ For precompiling headers. */ ++ #define ESP_CPP_OPTIONS_SPEC "%(esp_options_ssp)" ++ ++ /* This will add -fstack-protector-all if we don't have -nostdlib -nodefaultlibs -fno-stack-protector -fstack-protector ++ -fstack-protector-all and we have EFAULT_SSP or EFAULT_PIE_SSP defined. */ ++ #if defined ( EFAULT_SSP ) || defined ( EFAULT_PIE_SSP ) ++ #define ESP_OPTIONS_SSP_SPEC \ ++ "%{!D__KERNEL__:%{!nostdlib:%{!nodefaultlibs: %{!fno-stack-protector: \ ++ %{!fstack-protector:%{!fstack-protector-all:-fstack-protector-all}}}}}}" ++ #else ++ #define ESP_OPTIONS_SSP_SPEC "" ++ #endif ++ ++ /* If EFAULT_PIE or EFAULT_PIE_SSP is defined we will add -fPIE -pie */ ++ #if defined ( EFAULT_PIE ) || defined ( EFAULT_PIE_SSP ) ++ ++ /* This will add -fPIE if we don't have -pie -fpic -fPIC -fpie -fPIE -fno-pic -fno-PIC -fno-pie -fno-PIE -shared -static ++ -nostdlib -nostartfiles. */ ++ /* With ENABLE_CRTBEGINP we don't need to check for -static */ ++ #ifdef ENABLE_CRTBEGINP ++ #define ESP_OPTIONS_PIE_SPEC \ ++ "%{!pie: %{!fpic:%{!fPIC:%{!fpie:%{!fPIE: %{!fno-pic:%{!fno-PIC:%{!fno-pie:%{!fno-PIE: \ ++ %{!shared: %{!nostdlib: %{!nostartfiles:-fPIE}} } }}}} }}}} }" ++ #else ++ #define ESP_OPTIONS_PIE_SPEC \ ++ "%{!pie: %{!fpic:%{!fPIC:%{!fpie:%{!fPIE: %{!fno-pic:%{!fno-PIC:%{!fno-pie:%{!fno-PIE: \ ++ %{!shared: %{!static: %{!nostdlib: %{!nostartfiles:-fPIE}} } }}}} }}}} }}" ++ #endif ++ ++ /* This will add -pie if we don't have -pie -A -fno-pic -fno-PIC -fno-pie -fno-PIE -shared -static -r -nostdlib ++ -nostartfiles */ ++ /* With ENABLE_CRTBEGINP we don't need to check for -static ++ and we add -pie only to get the start and endfiles. -pie will not go to the linker. */ ++ #ifdef ENABLE_CRTBEGINP ++ #define ESP_LINK_PIE_SPEC \ ++ "%{!pie:%{!A:%{!fno-pie:%{!fno-PIE:%{!fno-pic:%{!fno-PIC:%{!shared:%{!r: \ ++ %{!nostdlib:%{!nostartfiles:-pie}}}}}}}}}}" ++ #else ++ #define ESP_LINK_PIE_SPEC \ ++ "%{!pie:%{!A:%{!fno-pie:%{!fno-PIE:%{!fno-pic:%{!fno-PIC:%{!shared:%{!static:%{!r: \ ++ %{!nostdlib:%{!nostartfiles:-pie}}}}}}}}}}}" ++ #endif ++ ++ /* This will check if -pie is set when (-static) -pg -p -profile. If set it will make gcc print out ++ "-pie and (static)|pg|p|profile are incompatible when linking" */ ++ /* With ENABLE_CRTBEGINP we don't need to check for -static */ ++ #ifdef ENABLE_CRTBEGINP ++ #define ESP_LINK_PIE_CHECK_SPEC \ ++ "%{pie:%{pg|p|profile:%e-pie and -pg|p|profile are incompatible when linking}}" ++ #else ++ #define ESP_LINK_PIE_CHECK_SPEC \ ++ "%{pie:%{static|pg|p|profile:%e-pie and -static|pg|p|profile are incompatible when linking}}" ++ #endif ++ ++ /* We don't pass -pie to the linker when -static. */ ++ #ifdef ENABLE_CRTBEGINP ++ #define LINK_PIE_SPEC "%{!static:%{pie:-pie}} %(esp_link)" ++ #else ++ #define LINK_PIE_SPEC "%{pie:-pie} %(esp_link)" ++ #endif ++ ++ #else ++ #define ESP_OPTIONS_PIE_SPEC "" ++ #define ESP_LINK_PIE_CHECK_SPEC "" ++ #define ESP_LINK_PIE_SPEC "" ++ #define LINK_PIE_SPEC "%{pie:-pie} %(esp_link)" ++ #endif ++ ++ /* We add extra spec name's to the EXTRA_SPECS list */ ++ #define ESP_EXTRA_SPECS \ ++ { "esp_cc1", ESP_CC1_SPEC }, \ ++ { "esp_cc1_pie", ESP_CC1_PIE_SPEC }, \ ++ { "esp_cc1_ssp", ESP_CC1_SSP_SPEC }, \ ++ { "esp_cc1_strict_overflow", ESP_CC1_STRICT_OVERFLOW_SPEC }, \ ++ { "esp_link", ESP_LINK_SPEC }, \ ++ { "esp_link_now", ESP_LINK_NOW_SPEC }, \ ++ { "esp_link_pie", ESP_LINK_PIE_SPEC }, \ ++ { "esp_link_pie_check", ESP_LINK_PIE_CHECK_SPEC }, \ ++ { "esp_command_options", ESP_COMMAND_OPTIONS_SPEC }, \ ++ { "esp_cpp_options", ESP_CPP_OPTIONS_SPEC }, \ ++ { "esp_options", ESP_OPTIONS_SPEC }, \ ++ { "esp_options_pie", ESP_OPTIONS_PIE_SPEC }, \ ++ { "esp_options_ssp", ESP_OPTIONS_SSP_SPEC } ++ ++ static const char *esp_command_options_spec = ESP_COMMAND_OPTIONS_SPEC; ++ static const char *cc1_spec = CC1_SPEC ESP_CC1_SPEC; ++ ++#else /* If not ESP_ENABLE defined do this. */ ++ ++ #define ESP_OPTIONS_SPEC "" ++ #define ESP_CPP_OPTIONS_SPEC "" ++ ++ /* We add extra spec name's to the EXTRA_SPECS list */ ++ #define ESP_EXTRA_SPECS \ ++ { "esp_options", ESP_OPTIONS_SPEC }, \ ++ { "esp_cpp_options", ESP_CPP_OPTIONS_SPEC } ++ ++#endif ++#endif /* End GCC_ESP_H */ |