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From: Christophe Lyon <christophe.lyon@st.com>
Date: Mon, 30 Apr 2018 10:03:42 +0200
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Subject: [Qemu-devel] [ARM/FDPIC v4 2/4] linux-user: ARM-FDPIC: Identify ARM
 FDPIC binaries
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To: qemu-devel@nongnu.org, christophe.lyon@linaro.org, peter.maydell@linaro.org, riku.voipio@iki.fi, laurent@vivier.eu

Define an ARM-specific version of elf_is_fdpic:
FDPIC ELF objects are identified with e_ident[EI_OSABI] =3D=3D
ELFOSABI_ARM_FDPIC.

Co-Authored-By: Micka=C3=ABl Gu=C3=AAn=C3=A9 <mickael.guene@st.com>
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>

diff --git a/include/elf.h b/include/elf.h
index c0dc9bb..934dbbd 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -1483,6 +1483,7 @@ typedef struct elf64_shdr {
 #define ELFOSABI_TRU64          10      /* Compaq TRU64 UNIX.  */
 #define ELFOSABI_MODESTO        11      /* Novell Modesto.  */
 #define ELFOSABI_OPENBSD        12      /* OpenBSD.  */
+#define ELFOSABI_ARM_FDPIC      65      /* ARM FDPIC */
 #define ELFOSABI_ARM            97      /* ARM */
 #define ELFOSABI_STANDALONE     255     /* Standalone (embedded) applica=
tion */
=20
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index bbe93b0..76d7718 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -1681,11 +1681,18 @@ static void zero_bss(abi_ulong elf_bss, abi_ulong=
 last_bss, int prot)
     }
 }
=20
+#ifdef TARGET_ARM
+static int elf_is_fdpic(struct elfhdr *exec)
+{
+    return exec->e_ident[EI_OSABI] =3D=3D ELFOSABI_ARM_FDPIC;
+}
+#else
 /* Default implementation, always false.  */
 static int elf_is_fdpic(struct elfhdr *exec)
 {
     return 0;
 }
+#endif
=20
 static abi_ulong loader_build_fdpic_loadmap(struct image_info *info, abi=
_ulong sp)
 {
--=20
2.6.3