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linux-user: ARM-FDPIC: Identify ARM FDPIC binaries

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

Co-Authored-By: Mickaël Guêné <mickael.guene@st.com>
Signed-off-by: Christophe Lyon <christophe.lyon@st.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180430080404.7323-3-christophe.lyon@st.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Christophe Lyon 2018-04-30 10:03:42 +02:00 committed by Laurent Vivier
parent a99856cd7f
commit cf58affecc
2 changed files with 8 additions and 0 deletions
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1
include/elf.h
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@ -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) application */

7
linux-user/elfload.c
View File

@ -1681,11 +1681,18 @@ static void zero_bss(abi_ulong elf_bss, abi_ulong last_bss, int prot)
}
}
#ifdef TARGET_ARM
static int elf_is_fdpic(struct elfhdr *exec)
{
return exec->e_ident[EI_OSABI] == ELFOSABI_ARM_FDPIC;
}
#else
/* Default implementation, always false. */
static int elf_is_fdpic(struct elfhdr *exec)
{
return 0;
}
#endif
static abi_ulong loader_build_fdpic_loadmap(struct image_info *info, abi_ulong sp)
{