97 lines
2.7 KiB
C
97 lines
2.7 KiB
C
/* elf_reloc_arm.h ELF relocation types for ARM */
|
|
/* (c) in 2004,2016 by Frank Wille */
|
|
|
|
#define R_ARM_NONE 0
|
|
#define R_ARM_PC24 1
|
|
#define R_ARM_ABS32 2
|
|
#define R_ARM_REL32 3
|
|
#define R_ARM_PC13 4
|
|
#define R_ARM_ABS16 5
|
|
#define R_ARM_ABS12 6
|
|
#define R_ARM_THM_ABS5 7
|
|
#define R_ARM_ABS8 8
|
|
#define R_ARM_SBREL32 9
|
|
#define R_ARM_THM_PC22 10
|
|
#define R_ARM_THM_PC8 11
|
|
#define R_ARM_SWI24 13
|
|
#define R_ARM_THM_SWI8 14
|
|
#define R_ARM_ALU_PCREL_7_0 32
|
|
#define R_ARM_ALU_PCREL_15_8 33
|
|
#define R_ARM_ALU_PCREL_23_15 34
|
|
#define R_ARM_LDR_SBREL_11_0 35
|
|
#define R_ARM_LDR_SBREL_19_12 36
|
|
#define R_ARM_LDR_SBREL_27_20 37
|
|
#define R_ARM_RELABS32 38
|
|
#define R_ARM_ROSEGREL32 39
|
|
#define R_ARM_V4BX 40
|
|
|
|
#define AFLD(p,s) (BIGENDIAN?(size==(s)&&(pos&31)==(p)):(size==(s)&&(pos&31)==(32-(p)-(s))))
|
|
#define TFLD(p,s) (BIGENDIAN?(size==(s)&&(pos&15)==(p)):(size==(s)&&(pos&15)==(16-(p)-(s))))
|
|
|
|
|
|
if ((*rl)->type <= LAST_STANDARD_RELOC) {
|
|
nreloc *r = (nreloc *)(*rl)->reloc;
|
|
|
|
*refsym = r->sym;
|
|
*addend = r->addend;
|
|
pos = r->bitoffset;
|
|
size = r->size;
|
|
*roffset = r->byteoffset;
|
|
mask = r->mask;
|
|
|
|
switch ((*rl)->type) {
|
|
|
|
case REL_ABS:
|
|
if (pos==0 && mask==~0) {
|
|
if (size == 32)
|
|
t = R_ARM_ABS32;
|
|
else if (size == 16)
|
|
t = R_ARM_ABS16;
|
|
else if (size == 8)
|
|
t = R_ARM_ABS8;
|
|
}
|
|
else if (AFLD(8,24) && mask==0xffffff)
|
|
t = R_ARM_SWI24;
|
|
else if (AFLD(20,12) && mask==0xfff)
|
|
t = R_ARM_ABS12;
|
|
else if (TFLD(8,8) && mask==0xff)
|
|
t = R_ARM_THM_SWI8;
|
|
else if (TFLD(5,5) && mask==0x1f)
|
|
t = R_ARM_THM_ABS5;
|
|
break;
|
|
|
|
case REL_PC:
|
|
if (size==32 && pos==0 && mask==~0)
|
|
t = R_ARM_REL32;
|
|
else if (AFLD(8,24) && mask==0x3fffffc)
|
|
t = R_ARM_PC24;
|
|
else if (AFLD(20,12) && mask==0x1fff)
|
|
t = R_ARM_PC13;
|
|
else if (AFLD(24,8) && mask==0xff)
|
|
t = R_ARM_ALU_PCREL_7_0;
|
|
else if (AFLD(24,8) && mask==0xff00)
|
|
t = R_ARM_ALU_PCREL_15_8;
|
|
else if (AFLD(24,8) && mask==0xff0000)
|
|
t = R_ARM_ALU_PCREL_23_15;
|
|
else if (TFLD(8,8) && mask==0x3fc)
|
|
t = R_ARM_THM_PC8;
|
|
else if (TFLD(5,11)) {
|
|
if (rl2 = (*rl)->next) {
|
|
nreloc *r2 = (nreloc *)rl2->reloc;
|
|
if (rl2->type==(*rl)->type
|
|
&& r2->size==size && (r2->bitoffset&15)==(pos&15)) {
|
|
if ((mask==0x7ff000 && r2->mask==0xffe) ||
|
|
(mask==0xffe && r2->mask==0x7ff000)) {
|
|
t = R_ARM_THM_PC22;
|
|
*rl = (*rl)->next;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
#undef AFLD
|
|
#undef TFLD
|