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[PULL,28/48] linux_user: elfload: Default ELF_MACHINE to ELF_ARCH

Message ID 1442934371-12567-29-git-send-email-pbonzini@redhat.com
State New
Headers show

Commit Message

Paolo Bonzini Sept. 22, 2015, 3:05 p.m. UTC 
From: Peter Crosthwaite <crosthwaite.peter@gmail.com>

In most (but not all) cases, ELF_MACHINE and ELF_ARCH are safely the
same. Default ELF_MACHINE to ELF_ARCH. This makes defining ELF_MACHINE
optional for target-*/cpu.h when they are known to match.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Acked-By: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 linux-user/elfload.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 39f3282..4ed8c5e 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1245,6 +1245,10 @@  static inline void init_thread(struct target_pt_regs *regs,
 #define ELF_PLATFORM (NULL)
 #endif
 
+#ifndef ELF_MACHINE
+#define ELF_MACHINE ELF_ARCH
+#endif
+
 #ifndef ELF_HWCAP
 #define ELF_HWCAP 0
 #endif