Lncvrt/grub
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Fix thumb compilation with clang.

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According to EABI only STT_FUNC has convention of lowest bit indicating
execution mode. R_THM_{JUMP,CALL}* relocations are assumed to be pointing
to thumb mode unless they use STT_FUNC.
This commit is contained in:
Vladimir Serbinenko committed 2017-02-02 00:59:49 +01:00
1 parent 08438d783f
commit 42e24b6006
2 files changed
+11
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grub-core/kern/arm/dl.c
+5
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@@ -173,6 +173,8 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
sym_addr += grub_arm_thm_call_get_offset ((grub_uint16_t *) target);
grub_dprintf ("dl", " sym_addr = 0x%08x\n", sym_addr);
if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
sym_addr |= 1;
offset = sym_addr - (grub_uint32_t) target;
@@ -227,6 +229,9 @@ grub_arch_dl_relocate_symbols (grub_dl_t mod, void *ehdr,
sym_addr += grub_arm_thm_jump19_get_offset ((grub_uint16_t *) target);
if (ELF_ST_TYPE (sym->st_info) != STT_FUNC)
sym_addr |= 1;
offset = sym_addr - (grub_uint32_t) target;
if (!grub_arm_thm_jump19_check_offset (offset)