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debugging: define ElfW when the target has no <link.h> #2154

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debugging: define ElfW when the target has no <link.h> #2154

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14 changes: 12 additions & 2 deletions absl/debugging/internal/elf_mem_image.h
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Original file line number Diff line number Diff line change
Expand Up @@ -42,10 +42,20 @@

#ifdef ABSL_HAVE_ELF_MEM_IMAGE

#if __has_include(<link.h>)
#include <link.h> // for ElfW
#else
#include <elf.h>
#endif

#if defined(__FreeBSD__) && !defined(ElfW)
#define ElfW(x) __ElfN(x)
#ifndef ElfW
#if defined(__FreeBSD__)
#define ElfW(type) __ElfN(type)
#elif __SIZEOF_POINTER__ == 8
#define ElfW(type) Elf64_##type
#else
#define ElfW(type) Elf32_##type
#endif
#endif

namespace absl {
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