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git://git.musl-libc.org/musl
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568b8075a4
first, use $LD_LIBRARY_PATH unless suid. if that fails, read path from /etc/ld-musl-$ARCH.path and fallback to a builtin default.
31 lines
760 B
C
31 lines
760 B
C
#include <stdint.h>
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#include <string.h>
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#include <elf.h>
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#define ETC_LDSO_PATH "/etc/ld-musl-x86_64.path"
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#define IS_COPY(x) ((x)==R_X86_64_COPY)
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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)
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{
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switch(type) {
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case R_X86_64_GLOB_DAT:
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case R_X86_64_JUMP_SLOT:
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case R_X86_64_64:
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*reloc_addr = sym_val + addend;
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break;
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case R_X86_64_32:
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*(uint32_t *)reloc_addr = sym_val + addend;
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break;
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case R_X86_64_PC32:
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*reloc_addr = sym_val + addend - (size_t)reloc_addr + (size_t)base_addr;
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break;
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case R_X86_64_RELATIVE:
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*reloc_addr = (size_t)base_addr + addend;
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break;
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case R_X86_64_COPY:
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memcpy(reloc_addr, (void *)sym_val, sym_size);
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break;
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}
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}
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