From 5968a7b800063677473e07b632b1a9595ce004aa Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Wed, 13 Jun 2012 10:01:50 +0000 Subject: [PATCH] * elf32-arm.c (bfd_arm_get_mach_from_attributes): New function. (elf32_arm_object_p): If the machine number could not be deduced from the notes, call bfd_arm_get_mach_from_attributes to get the number from the attributes. --- bfd/ChangeLog | 7 +++++++ bfd/elf32-arm.c | 53 +++++++++++++++++++++++++++++++++++++++++++++-------- 2 files changed, 52 insertions(+), 8 deletions(-) diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 7386412..41e6264 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2012-06-13 Nick Clifton + + * elf32-arm.c (bfd_arm_get_mach_from_attributes): New function. + (elf32_arm_object_p): If the machine number could not be deduced + from the notes, call bfd_arm_get_mach_from_attributes to get the + number from the attributes. + 2012-06-12 H.J. Lu PR bfd/14207 diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 10d5dcc..e9157b2 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -10956,6 +10956,43 @@ elf32_arm_final_link (bfd *abfd, struct bfd_link_info *info) return TRUE; } +/* Return a best guess for the machine number based on the attributes. */ + +static unsigned int +bfd_arm_get_mach_from_attributes (bfd * abfd) +{ + int arch = bfd_elf_get_obj_attr_int (abfd, OBJ_ATTR_PROC, Tag_CPU_arch); + + switch (arch) + { + case TAG_CPU_ARCH_V4: return bfd_mach_arm_4; + case TAG_CPU_ARCH_V4T: return bfd_mach_arm_4T; + case TAG_CPU_ARCH_V5T: return bfd_mach_arm_5T; + + case TAG_CPU_ARCH_V5TE: + { + char * name; + + BFD_ASSERT (Tag_CPU_name < NUM_KNOWN_OBJ_ATTRIBUTES); + name = elf_known_obj_attributes (abfd) [OBJ_ATTR_PROC][Tag_CPU_name].s; + + if (name) + { + if (strcmp (name, "IWMMXT2") == 0) + return bfd_mach_arm_iWMMXt2; + + if (strcmp (name, "IWMMXT") == 0) + return bfd_mach_arm_iWMMXt; + } + + return bfd_mach_arm_5TE; + } + + default: + return bfd_mach_arm_unknown; + } +} + /* Set the right machine number. */ static bfd_boolean @@ -10965,15 +11002,15 @@ elf32_arm_object_p (bfd *abfd) mach = bfd_arm_get_mach_from_notes (abfd, ARM_NOTE_SECTION); - if (mach != bfd_mach_arm_unknown) - bfd_default_set_arch_mach (abfd, bfd_arch_arm, mach); - - else if (elf_elfheader (abfd)->e_flags & EF_ARM_MAVERICK_FLOAT) - bfd_default_set_arch_mach (abfd, bfd_arch_arm, bfd_mach_arm_ep9312); - - else - bfd_default_set_arch_mach (abfd, bfd_arch_arm, mach); + if (mach == bfd_mach_arm_unknown) + { + if (elf_elfheader (abfd)->e_flags & EF_ARM_MAVERICK_FLOAT) + mach = bfd_mach_arm_ep9312; + else + mach = bfd_arm_get_mach_from_attributes (abfd); + } + bfd_default_set_arch_mach (abfd, bfd_arch_arm, mach); return TRUE; } -- 2.7.4