Let lockstat use ksyms(4)'s mmap interface.
The workaround described in the deleted comment is no longer needed. MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=321842
@ -194,33 +194,9 @@ symtab_init(void)
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return (-1);
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return (-1);
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#endif
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#endif
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#ifdef illumos
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(void) elf_version(EV_CURRENT);
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(void) elf_version(EV_CURRENT);
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elf = elf_begin(fd, ELF_C_READ, NULL);
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elf = elf_begin(fd, ELF_C_READ, NULL);
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#else
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/*
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* XXX - libelf needs to be fixed so it will work with
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* non 'ordinary' files like /dev/ksyms. The following
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* is a work around for now.
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*/
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if (elf_version(EV_CURRENT) == EV_NONE) {
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close(fd);
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return (-1);
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}
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if (ioctl(fd, KIOCGSIZE, &sz) < 0) {
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close(fd);
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return (-1);
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}
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if (ioctl(fd, KIOCGADDR, &ksyms) < 0) {
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close(fd);
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return (-1);
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}
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if ((elf = elf_memory(ksyms, sz)) == NULL) {
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close(fd);
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return (-1);
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}
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#endif
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for (cnt = 1; (scn = elf_nextscn(elf, scn)) != NULL; cnt++) {
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for (cnt = 1; (scn = elf_nextscn(elf, scn)) != NULL; cnt++) {
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Shdr *shdr = elf_getshdr(scn);
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Shdr *shdr = elf_getshdr(scn);
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