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recognize hpcboot.exe's ELF symbol table.

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This commit is contained in:
uch 2001-03-25 15:15:18 +00:00
parent d54c705158
commit ed26af9e66
1 changed files with 20 additions and 7 deletions
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27
sys/arch/hpcmips/hpcmips/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.43 2001/03/23 11:09:49 sato Exp $ */
/* $NetBSD: machdep.c,v 1.44 2001/03/25 15:15:18 uch Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -43,7 +43,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.43 2001/03/23 11:09:49 sato Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.44 2001/03/25 15:15:18 uch Exp $");
/* from: Utah Hdr: machdep.c 1.63 91/04/24 */
#include "opt_vr41x1.h"
@ -231,14 +231,27 @@ mach_init(argc, argv, bi)
/* clear the BSS segment */
#ifdef DDB
if (memcmp(((Elf_Ehdr *)end)->e_ident, ELFMAG, SELFMAG) == 0 &&
((Elf_Ehdr *)end)->e_ident[EI_CLASS] == ELFCLASS) {
size_t symbolsz = 0;
Elf_Ehdr *eh = (void *)end;
if (memcmp(eh->e_ident, ELFMAG, SELFMAG) == 0 &&
eh->e_ident[EI_CLASS] == ELFCLASS) {
esym = end;
esym += ((Elf_Ehdr *)end)->e_entry;
if (eh->e_entry != 0) {
/* pbsdboot */
symbolsz = eh->e_entry;
} else {
/* hpcboot */
Elf_Shdr *sh = (void *)(end + eh->e_shoff);
for(i = 0; i < eh->e_shnum; i++, sh++)
if (sh->sh_offset > 0 &&
(sh->sh_offset + sh->sh_size) > symbolsz)
symbolsz = sh->sh_offset + sh->sh_size;
}
esym += symbolsz;
kernend = (caddr_t)mips_round_page(esym);
bzero(edata, end - edata);
} else
#endif
#endif /* DDB */
{
kernend = (caddr_t)mips_round_page(end);
memset(edata, 0, kernend - edata);
@ -359,7 +372,7 @@ mach_init(argc, argv, bi)
#ifdef DDB
/* init symbols if present */
if (esym)
ddb_init(1000, &end, (int*)esym);
ddb_init(symbolsz, &end, esym);
#endif
/*
* Alloc u pages for proc0 stealing KSEG0 memory.