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Provide fallback versions for other targets. Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- linux-user/loader.h | 12 ++++++++++++ linux-user/arm/elfload.c | 20 ++++++++++++++++++++ linux-user/elfload.c | 41 ++++++++++------------------------------ 3 files changed, 42 insertions(+), 31 deletions(-) diff --git a/linux-user/loader.h b/linux-user/loader.h index e6d02d186e..db6547ea7a 100644 --- a/linux-user/loader.h +++ b/linux-user/loader.h @@ -104,4 +104,16 @@ const char *get_elf_platform(CPUState *cs); const char *get_elf_base_platform(CPUState *cs); bool init_guest_commpage(void); =20 +typedef struct { + const uint8_t *image; + const uint32_t *relocs; + unsigned image_size; + unsigned reloc_count; + unsigned sigreturn_ofs; + unsigned rt_sigreturn_ofs; +} VdsoImageInfo; + +/* Note that both Elf32_Word and Elf64_Word are uint32_t. */ +const VdsoImageInfo *get_vdso_image_info(uint32_t elf_flags); + #endif /* LINUX_USER_LOADER_H */ diff --git a/linux-user/arm/elfload.c b/linux-user/arm/elfload.c index ad0d88a7e0..901141ad2a 100644 --- a/linux-user/arm/elfload.c +++ b/linux-user/arm/elfload.c @@ -6,6 +6,7 @@ #include "user-internals.h" #include "target_elf.h" #include "target/arm/cpu-features.h" +#include "elf.h" =20 =20 enum @@ -240,3 +241,22 @@ bool init_guest_commpage(void) PAGE_READ | PAGE_EXEC | PAGE_VALID); return true; } + +#if TARGET_BIG_ENDIAN +# include "vdso-be8.c.inc" +# include "vdso-be32.c.inc" +#else +# include "vdso-le.c.inc" +#endif + +const VdsoImageInfo *get_vdso_image_info(uint32_t elf_flags) +{ +#if TARGET_BIG_ENDIAN + return (EF_ARM_EABI_VERSION(elf_flags) >=3D EF_ARM_EABI_VER4 + && (elf_flags & EF_ARM_BE8) + ? &vdso_be8_image_info + : &vdso_be32_image_info); +#else + return &vdso_image_info; +#endif +} diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 01c39bf456..10fbe71e35 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -46,15 +46,6 @@ #define TARGET_ARCH_HAS_SIGTRAMP_PAGE 0 #endif =20 -typedef struct { - const uint8_t *image; - const uint32_t *relocs; - unsigned image_size; - unsigned reloc_count; - unsigned sigreturn_ofs; - unsigned rt_sigreturn_ofs; -} VdsoImageInfo; - #define ELF_OSABI ELFOSABI_SYSV =20 /* from personality.h */ @@ -206,23 +197,6 @@ typedef abi_int target_pid_t; #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 =20 -#if TARGET_BIG_ENDIAN -#include "elf.h" -#include "vdso-be8.c.inc" -#include "vdso-be32.c.inc" - -static const VdsoImageInfo *vdso_image_info(uint32_t elf_flags) -{ - return (EF_ARM_EABI_VERSION(elf_flags) >=3D EF_ARM_EABI_VER4 - && (elf_flags & EF_ARM_BE8) - ? &vdso_be8_image_info - : &vdso_be32_image_info); -} -#define vdso_image_info vdso_image_info -#else -# define VDSO_HEADER "vdso-le.c.inc" -#endif - #else /* 64 bit ARM definitions */ =20 @@ -2011,14 +1985,19 @@ static void load_elf_interp(const char *filename, s= truct image_info *info, load_elf_image(filename, &src, info, &ehdr, NULL); } =20 -#ifndef vdso_image_info #ifdef VDSO_HEADER #include VDSO_HEADER -#define vdso_image_info(flags) &vdso_image_info +const VdsoImageInfo *get_vdso_image_info(uint32_t elf_flags) +{ + return &vdso_image_info; +} #else -#define vdso_image_info(flags) NULL +const VdsoImageInfo * __attribute__((weak)) +get_vdso_image_info(uint32_t elf_flags) +{ + return NULL; +} #endif /* VDSO_HEADER */ -#endif /* vdso_image_info */ =20 static void load_elf_vdso(struct image_info *info, const VdsoImageInfo *vd= so) { @@ -2349,7 +2328,7 @@ int load_elf_binary(struct linux_binprm *bprm, struct= image_info *info) * Load a vdso if available, which will amongst other things contain t= he * signal trampolines. Otherwise, allocate a separate page for them. */ - const VdsoImageInfo *vdso =3D vdso_image_info(info->elf_flags); + const VdsoImageInfo *vdso =3D get_vdso_image_info(info->elf_flags); if (vdso) { load_elf_vdso(&vdso_info, vdso); info->vdso =3D vdso_info.load_bias; --=20 2.43.0