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

Philipp Tomsich
2015-04-13T20:13:17Z

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(-)

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)
--
1.9.1