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first attempt at arm dynamic linking

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This commit is contained in:
Rich Felker 2011-10-01 00:52:33 -04:00
parent 4b87736998
commit 12ace5bf76
1 changed files with 26 additions and 0 deletions
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26
arch/arm/reloc.h Normal file
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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)
#define IS_PLT(x) ((x)==R_ARM_JMP_SLOT)
static inline void do_single_reloc(size_t *reloc_addr, int type, size_t sym_val, size_t sym_size, unsigned char *base_addr, size_t addend)
{
switch(type) {
case R_ARM_ABS32:
*reloc_addr += sym_val;
break;
case R_ARM_GLOB_DAT:
case R_ARM_JMP_SLOT:
*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;
}
}