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load symbol table to DDB if ELF kernel.

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uch 2001-03-22 18:34:08 +00:00
parent 7060cad775
commit 5a79dd1121
1 changed files with 38 additions and 6 deletions
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44
sys/arch/hpcsh/hpcsh/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.7 2001/03/20 16:04:01 uch Exp $ */
/* $NetBSD: machdep.c,v 1.8 2001/03/22 18:34:08 uch Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
@ -52,6 +52,17 @@
#include <ufs/mfs/mfs_extern.h> /* mfs_initminiroot() */
#ifdef DDB
#include <machine/db_machdep.h>
#include <ddb/db_sym.h>
#include <ddb/db_extern.h>
#ifndef DB_ELFSIZE
#error Must define DB_ELFSIZE!
#endif
#define ELFSIZE DB_ELFSIZE
#include <sys/exec_elf.h>
#endif
#include <dev/cons.h> /* consdev */
#include <machine/bootinfo.h>
@ -164,6 +175,18 @@ machine_startup(int argc, char *argv[], struct bootinfo *bi)
pt_entry_t *pagetab, pte;
int i;
char *p;
size_t symbolsize;
/* symbol table size */
symbolsize = 0;
if (!memcmp(&end, "\177ELF", 4)) {
Elf_Ehdr *eh = (void *)end;
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) > symbolsize)
symbolsize = sh->sh_offset + sh->sh_size;
}
/* clear BSS */
memset(edata, 0, end - edata);
@ -180,7 +203,7 @@ machine_startup(int argc, char *argv[], struct bootinfo *bi)
SHREG_TCR2 = 0;
/* start to determine heap area */
kernend = (vaddr_t)sh3_round_page(end);
kernend = (vaddr_t)sh3_round_page(end + symbolsize);
/* setup bootinfo */
bootinfo = &__bootinfo;
@ -224,15 +247,14 @@ machine_startup(int argc, char *argv[], struct bootinfo *bi)
kernend += fssz;
}
#endif
/* console requires platform information */
/* start console */
if (bootinfo->magic == BOOTINFO_MAGIC) {
platid.dw.dw0 = bootinfo->platid_cpu;
platid.dw.dw1 = bootinfo->platid_machine;
}
/* start console */
consinit();
/* print kernel option */
for (i = 0; i < argc; i++)
DPRINTF(("option [%d]: %s\n", i, argv[i]));
@ -309,6 +331,16 @@ machine_startup(int argc, char *argv[], struct bootinfo *bi)
splraise(-1);
enable_intr();
#ifdef DDB
/* initialize debugger */
if (symbolsize) {
ddb_init(symbolsize, &end, end + symbolsize);
DPRINTF(("symbol size = %d byte\n", symbolsize));
if (boothowto & RB_KDB)
Debugger();
}
#endif
/* setup proc0 stack */
proc0_sp = (vaddr_t)p + NBPG + USPACE - 16 - sizeof(struct trapframe);
DPRINTF(("proc0 stack: 0x%08lx\n", proc0_sp));