diff options
Diffstat (limited to 'meta-arm/meta-arm/recipes-security/optee/optee-os-tadevkit-3.18.0/0010-add-note-GNU-stack-section.patch')
| -rw-r--r-- | meta-arm/meta-arm/recipes-security/optee/optee-os-tadevkit-3.18.0/0010-add-note-GNU-stack-section.patch | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/meta-arm/meta-arm/recipes-security/optee/optee-os-tadevkit-3.18.0/0010-add-note-GNU-stack-section.patch b/meta-arm/meta-arm/recipes-security/optee/optee-os-tadevkit-3.18.0/0010-add-note-GNU-stack-section.patch deleted file mode 100644 index 4ea65d88cc..0000000000 --- a/meta-arm/meta-arm/recipes-security/optee/optee-os-tadevkit-3.18.0/0010-add-note-GNU-stack-section.patch +++ /dev/null @@ -1,128 +0,0 @@ -From ec30e84671aac9a2e9549754eb7bc6201728db4c Mon Sep 17 00:00:00 2001 -From: Jerome Forissier <jerome.forissier@linaro.org> -Date: Tue, 23 Aug 2022 12:31:46 +0000 -Subject: [PATCH] arm32: libutils, libutee, ta: add .note.GNU-stack section to - - .S files - -When building for arm32 with GNU binutils 2.39, the linker outputs -warnings when linking Trusted Applications: - - arm-unknown-linux-uclibcgnueabihf-ld.bfd: warning: utee_syscalls_a32.o: missing .note.GNU-stack section implies executable stack - arm-unknown-linux-uclibcgnueabihf-ld.bfd: NOTE: This behaviour is deprecated and will be removed in a future version of the linker - -We could silence the warning by adding the '-z execstack' option to the -TA link flags, like we did in the parent commit for the TEE core and -ldelf. Indeed, ldelf always allocates a non-executable piece of memory -for the TA to use as a stack. - -However it seems preferable to comply with the common ELF practices in -this case. A better fix is therefore to add the missing .note.GNU-stack -sections in the assembler files. - -Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org> - -Signed-off-by: Anton Antonov <Anton.Antonov@arm.com> -Upstream-Status: Backport [https://github.com/OP-TEE/optee_os/pull/5499] - ---- - lib/libutee/arch/arm/utee_syscalls_a32.S | 2 ++ - lib/libutils/ext/arch/arm/atomic_a32.S | 2 ++ - lib/libutils/ext/arch/arm/mcount_a32.S | 2 ++ - lib/libutils/isoc/arch/arm/arm32_aeabi_divmod_a32.S | 2 ++ - lib/libutils/isoc/arch/arm/arm32_aeabi_ldivmod_a32.S | 2 ++ - lib/libutils/isoc/arch/arm/setjmp_a32.S | 2 ++ - ta/arch/arm/ta_entry_a32.S | 2 ++ - 7 files changed, 14 insertions(+) - -diff --git a/lib/libutee/arch/arm/utee_syscalls_a32.S b/lib/libutee/arch/arm/utee_syscalls_a32.S -index 6e621ca6..af405f62 100644 ---- a/lib/libutee/arch/arm/utee_syscalls_a32.S -+++ b/lib/libutee/arch/arm/utee_syscalls_a32.S -@@ -7,6 +7,8 @@ - #include <tee_syscall_numbers.h> - #include <asm.S> - -+ .section .note.GNU-stack,"",%progbits -+ - .section .text - .balign 4 - .code 32 -diff --git a/lib/libutils/ext/arch/arm/atomic_a32.S b/lib/libutils/ext/arch/arm/atomic_a32.S -index eaef6914..2be73ffa 100644 ---- a/lib/libutils/ext/arch/arm/atomic_a32.S -+++ b/lib/libutils/ext/arch/arm/atomic_a32.S -@@ -5,6 +5,8 @@ - - #include <asm.S> - -+ .section .note.GNU-stack,"",%progbits -+ - /* uint32_t atomic_inc32(uint32_t *v); */ - FUNC atomic_inc32 , : - ldrex r1, [r0] -diff --git a/lib/libutils/ext/arch/arm/mcount_a32.S b/lib/libutils/ext/arch/arm/mcount_a32.S -index 51439a23..54dc3c02 100644 ---- a/lib/libutils/ext/arch/arm/mcount_a32.S -+++ b/lib/libutils/ext/arch/arm/mcount_a32.S -@@ -7,6 +7,8 @@ - - #if defined(CFG_TA_GPROF_SUPPORT) || defined(CFG_FTRACE_SUPPORT) - -+ .section .note.GNU-stack,"",%progbits -+ - /* - * Convert return address to call site address by subtracting the size of the - * mcount call instruction (blx __gnu_mcount_nc). -diff --git a/lib/libutils/isoc/arch/arm/arm32_aeabi_divmod_a32.S b/lib/libutils/isoc/arch/arm/arm32_aeabi_divmod_a32.S -index a600c879..37ae9ec6 100644 ---- a/lib/libutils/isoc/arch/arm/arm32_aeabi_divmod_a32.S -+++ b/lib/libutils/isoc/arch/arm/arm32_aeabi_divmod_a32.S -@@ -5,6 +5,8 @@ - - #include <asm.S> - -+ .section .note.GNU-stack,"",%progbits -+ - /* - * signed ret_idivmod_values(signed quot, signed rem); - * return quotient and remaining the EABI way (regs r0,r1) -diff --git a/lib/libutils/isoc/arch/arm/arm32_aeabi_ldivmod_a32.S b/lib/libutils/isoc/arch/arm/arm32_aeabi_ldivmod_a32.S -index 2dc50bc9..5c3353e2 100644 ---- a/lib/libutils/isoc/arch/arm/arm32_aeabi_ldivmod_a32.S -+++ b/lib/libutils/isoc/arch/arm/arm32_aeabi_ldivmod_a32.S -@@ -5,6 +5,8 @@ - - #include <asm.S> - -+ .section .note.GNU-stack,"",%progbits -+ - /* - * __value_in_regs lldiv_t __aeabi_ldivmod( long long n, long long d) - */ -diff --git a/lib/libutils/isoc/arch/arm/setjmp_a32.S b/lib/libutils/isoc/arch/arm/setjmp_a32.S -index 43ea5937..f8a0b70d 100644 ---- a/lib/libutils/isoc/arch/arm/setjmp_a32.S -+++ b/lib/libutils/isoc/arch/arm/setjmp_a32.S -@@ -51,6 +51,8 @@ - #define SIZE(x) - #endif - -+ .section .note.GNU-stack,"",%progbits -+ - /* Arm/Thumb interworking support: - - The interworking scheme expects functions to use a BX instruction -diff --git a/ta/arch/arm/ta_entry_a32.S b/ta/arch/arm/ta_entry_a32.S -index d2f8a69d..cd9a12f9 100644 ---- a/ta/arch/arm/ta_entry_a32.S -+++ b/ta/arch/arm/ta_entry_a32.S -@@ -5,6 +5,8 @@ - - #include <asm.S> - -+ .section .note.GNU-stack,"",%progbits -+ - /* - * This function is the bottom of the user call stack. Mark it as such so that - * the unwinding code won't try to go further down. |