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