musl/arch/arm/reloc.h

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#include <string.h>
#include <elf.h>
#define ETC_LDSO_PATH "/etc/ld-musl-arm.path"
#define IS_COPY(x) ((x)==R_ARM_COPY)
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#define IS_PLT(x) ((x)==R_ARM_JUMP_SLOT)
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static inline void do_single_reloc(
struct dso *self, unsigned char *base_addr,
size_t *reloc_addr, int type, size_t addend,
Sym *sym, size_t sym_size,
struct symdef def, size_t sym_val)
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{
switch(type) {
case R_ARM_ABS32:
*reloc_addr += sym_val;
break;
case R_ARM_GLOB_DAT:
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case R_ARM_JUMP_SLOT:
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*reloc_addr = sym_val;
break;
case R_ARM_RELATIVE:
*reloc_addr += (size_t)base_addr;
break;
case R_ARM_COPY:
memcpy(reloc_addr, (void *)sym_val, sym_size);
break;
case R_ARM_TLS_DTPMOD32:
*reloc_addr = def.dso ? def.dso->tls_id : self->tls_id;
break;
case R_ARM_TLS_DTPOFF32:
*reloc_addr += def.sym->st_value;
break;
case R_ARM_TLS_TPOFF32:
*reloc_addr += def.sym
? def.sym->st_value + def.dso->tls_offset + 8
: self->tls_offset + 8;
break;
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}
}