Merge branches 'master' and 'devel' into for-linus
Conflicts: arch/arm/Kconfig arch/arm/mm/Kconfig
This commit is contained in:
@@ -102,7 +102,9 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
|
||||
unsigned long loc;
|
||||
Elf32_Sym *sym;
|
||||
s32 offset;
|
||||
#ifdef CONFIG_THUMB2_KERNEL
|
||||
u32 upper, lower, sign, j1, j2;
|
||||
#endif
|
||||
|
||||
offset = ELF32_R_SYM(rel->r_info);
|
||||
if (offset < 0 || offset > (symsec->sh_size / sizeof(Elf32_Sym))) {
|
||||
@@ -185,6 +187,7 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
|
||||
(offset & 0x0fff);
|
||||
break;
|
||||
|
||||
#ifdef CONFIG_THUMB2_KERNEL
|
||||
case R_ARM_THM_CALL:
|
||||
case R_ARM_THM_JUMP24:
|
||||
upper = *(u16 *)loc;
|
||||
@@ -233,9 +236,40 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
|
||||
*(u16 *)(loc + 2) = (u16)((lower & 0xd000) |
|
||||
(j1 << 13) | (j2 << 11) |
|
||||
((offset >> 1) & 0x07ff));
|
||||
break;
|
||||
|
||||
case R_ARM_THM_MOVW_ABS_NC:
|
||||
case R_ARM_THM_MOVT_ABS:
|
||||
upper = *(u16 *)loc;
|
||||
lower = *(u16 *)(loc + 2);
|
||||
|
||||
/*
|
||||
* MOVT/MOVW instructions encoding in Thumb-2:
|
||||
*
|
||||
* i = upper[10]
|
||||
* imm4 = upper[3:0]
|
||||
* imm3 = lower[14:12]
|
||||
* imm8 = lower[7:0]
|
||||
*
|
||||
* imm16 = imm4:i:imm3:imm8
|
||||
*/
|
||||
offset = ((upper & 0x000f) << 12) |
|
||||
((upper & 0x0400) << 1) |
|
||||
((lower & 0x7000) >> 4) | (lower & 0x00ff);
|
||||
offset = (offset ^ 0x8000) - 0x8000;
|
||||
offset += sym->st_value;
|
||||
|
||||
if (ELF32_R_TYPE(rel->r_info) == R_ARM_THM_MOVT_ABS)
|
||||
offset >>= 16;
|
||||
|
||||
*(u16 *)loc = (u16)((upper & 0xfbf0) |
|
||||
((offset & 0xf000) >> 12) |
|
||||
((offset & 0x0800) >> 1));
|
||||
*(u16 *)(loc + 2) = (u16)((lower & 0x8f00) |
|
||||
((offset & 0x0700) << 4) |
|
||||
(offset & 0x00ff));
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
printk(KERN_ERR "%s: unknown relocation: %u\n",
|
||||
|
Reference in New Issue
Block a user