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[v4,23/24] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32

Message ID 89ec9644d382b13ebced50b28de1bee45cb58313.1428953303.git.philipp.tomsich@theobroma-systems.com (mailing list archive)
State New, archived
Headers show

Commit Message

Philipp Tomsich April 13, 2015, 7:44 p.m. UTC 
To make life for tools (such as gdb) easier when dealing with ILP32 processes,
we report a proper subarchitecture for ILP32 in the ELF auxiliary vectors.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
---
 arch/arm64/include/asm/elf.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index ff005d9..c35922c 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -168,9 +168,9 @@  extern unsigned long arch_randomize_brk(struct mm_struct *mm);
 #ifdef CONFIG_COMPAT
 
 #ifdef __AARCH64EB__
-#define COMPAT_ELF_PLATFORM		("v8b")
+#define COMPAT_ELF_PLATFORM		(is_ilp32_compat_task() ? "aarch64_be:ilp32" : "v8b")
 #else
-#define COMPAT_ELF_PLATFORM		("v8l")
+#define COMPAT_ELF_PLATFORM		(is_ilp32_compat_task() ? "aarch64:ilp32" : "v8l")
 #endif
 
 #define COMPAT_ELF_ET_DYN_BASE		(2 * TASK_SIZE_32 / 3)