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Collect N identical (or near identical) mkdumpheader() implementations into

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one, as threatened in the comment.  Textdump magic can be passed in.
This commit is contained in:
Peter Wemm 2008-10-01 22:08:53 +00:00
parent b2ce972537
commit e6592ee55c
11 changed files with 37 additions and 202 deletions
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23
sys/amd64/amd64/dump_machdep.c
View File

@ -105,27 +105,6 @@ md_pa_next(struct md_pa *mdp)
return (mdp);
}
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -326,7 +305,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - dumpsize;
dumplo -= sizeof(kdh) * 2;
mkdumpheader(&kdh, KERNELDUMP_AMD64_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_AMD64_VERSION, dumpsize, di->blocksize);
printf("Dumping %llu MB (%d chunks)\n", (long long)dumpsize >> 20,
ehdr.e_phnum);

23
sys/amd64/amd64/minidump_machdep.c
View File

@ -81,27 +81,6 @@ is_dumpable(vm_paddr_t pa)
return (0);
}
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
#define PG2MB(pgs) (((pgs) + (1 << 8) - 1) >> 8)
static int
@ -284,7 +263,7 @@ minidumpsys(struct dumperinfo *di)
mdhdr.dmapbase = DMAP_MIN_ADDRESS;
mdhdr.dmapend = DMAP_MAX_ADDRESS;
mkdumpheader(&kdh, KERNELDUMP_AMD64_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_AMD64_VERSION, dumpsize, di->blocksize);
printf("Physical memory: %ju MB\n", ptoa((uintmax_t)physmem) / 1048576);
printf("Dumping %llu MB:", (long long)dumpsize >> 20);

23
sys/arm/arm/dump_machdep.c
View File

@ -103,27 +103,6 @@ md_pa_next(struct md_pa *mdp)
return (mdp);
}
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -325,7 +304,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - dumpsize;
dumplo -= sizeof(kdh) * 2;
mkdumpheader(&kdh, KERNELDUMP_ARM_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_ARM_VERSION, dumpsize, di->blocksize);
printf("Dumping %llu MB (%d chunks)\n", (long long)dumpsize >> 20,
ehdr.e_phnum);

28
sys/ddb/db_textdump.c
View File

@ -176,30 +176,6 @@ static int textdump_error; /* Carried write error, if any. */
char textdump_block_buffer[TEXTDUMP_BLOCKSIZE];
static struct kerneldumpheader kdh;
/*
* Text dumps are prefixed with a normal kernel dump header but with a
* different magic number to allow them to be uniquely identified.
*/
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver,
uint64_t dumplen, uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, TEXTDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
/*
* Calculate and fill in the checksum for a ustar header.
*/
@ -468,7 +444,7 @@ textdump_dumpsys(struct dumperinfo *di)
*/
textdump_offset = di->mediasize - sizeof(kdh);
textdump_saveoff(&trailer_offset);
mkdumpheader(&kdh, KERNELDUMP_TEXT_VERSION, 0, TEXTDUMP_BLOCKSIZE);
mkdumpheader(&kdh, TEXTDUMPMAGIC, KERNELDUMP_TEXT_VERSION, 0, TEXTDUMP_BLOCKSIZE);
(void)textdump_writenextblock(di, (char *)&kdh);
/*
@ -493,7 +469,7 @@ textdump_dumpsys(struct dumperinfo *di)
* size.
*/
dumplen = trailer_offset - (textdump_offset + TEXTDUMP_BLOCKSIZE);
mkdumpheader(&kdh, KERNELDUMP_TEXT_VERSION, dumplen,
mkdumpheader(&kdh, TEXTDUMPMAGIC, KERNELDUMP_TEXT_VERSION, dumplen,
TEXTDUMP_BLOCKSIZE);
(void)textdump_writenextblock(di, (char *)&kdh);
textdump_restoreoff(trailer_offset);

23
sys/i386/i386/dump_machdep.c
View File

@ -105,27 +105,6 @@ md_pa_next(struct md_pa *mdp)
return (mdp);
}
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -326,7 +305,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - dumpsize;
dumplo -= sizeof(kdh) * 2;
mkdumpheader(&kdh, KERNELDUMP_I386_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_I386_VERSION, dumpsize, di->blocksize);
printf("Dumping %llu MB (%d chunks)\n", (long long)dumpsize >> 20,
ehdr.e_phnum);

23
sys/i386/i386/minidump_machdep.c
View File

@ -79,27 +79,6 @@ is_dumpable(vm_paddr_t pa)
return (0);
}
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
#define PG2MB(pgs) (((pgs) + (1 << 8) - 1) >> 8)
static int
@ -280,7 +259,7 @@ minidumpsys(struct dumperinfo *di)
mdhdr.paemode = 1;
#endif
mkdumpheader(&kdh, KERNELDUMP_I386_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_I386_VERSION, dumpsize, di->blocksize);
printf("Physical memory: %ju MB\n", ptoa((uintmax_t)physmem) / 1048576);
printf("Dumping %llu MB:", (long long)dumpsize >> 20);

23
sys/ia64/ia64/dump_machdep.c
View File

@ -60,27 +60,6 @@ static off_t dumplo, fileofs;
static char buffer[DEV_BSIZE];
static size_t fragsz;
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -261,7 +240,7 @@ dumpsys(struct dumperinfo *di)
dumplo = di->mediaoffset + di->mediasize - dumpsize;
dumplo -= sizeof(kdh) * 2;
mkdumpheader(&kdh, KERNELDUMP_IA64_VERSION, dumpsize, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_IA64_VERSION, dumpsize, di->blocksize);
printf("Dumping %llu MB (%d chunks)\n", (long long)dumpsize >> 20,
ehdr.e_phnum);

22
sys/kern/kern_shutdown.c
View File

@ -53,6 +53,7 @@ __FBSDID("$FreeBSD$");
#include <sys/eventhandler.h>
#include <sys/kdb.h>
#include <sys/kernel.h>
#include <sys/kerneldump.h>
#include <sys/kthread.h>
#include <sys/malloc.h>
#include <sys/mount.h>
@ -64,6 +65,7 @@ __FBSDID("$FreeBSD$");
#include <sys/smp.h> /* smp_active */
#include <sys/sysctl.h>
#include <sys/sysproto.h>
#include <sys/vimage.h>
#include <ddb/ddb.h>
@ -686,3 +688,23 @@ dumpsys(struct dumperinfo *di __unused)
printf("Kernel dumps not implemented on this architecture\n");
}
#endif
void
mkdumpheader(struct kerneldumpheader *kdh, char *magic, uint32_t archver,
uint64_t dumplen, uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, magic, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}

23
sys/sparc64/sparc64/dump_machdep.c
View File

@ -56,27 +56,6 @@ static vm_size_t fragsz;
#define MAXDUMPSZ (MAXDUMPPGS << PAGE_SHIFT)
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -191,7 +170,7 @@ dumpsys(struct dumperinfo *di)
/* Determine dump offset on device. */
dumplo = di->mediaoffset + di->mediasize - totsize;
mkdumpheader(&kdh, KERNELDUMP_SPARC64_VERSION, size, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_SPARC64_VERSION, size, di->blocksize);
printf("Dumping %lu MB (%d chunks)\n", (u_long)(size >> 20), nreg);

23
sys/sun4v/sun4v/dump_machdep.c
View File

@ -57,27 +57,6 @@ static vm_size_t fragsz;
#define MAXDUMPSZ (MAXDUMPPGS << PAGE_SHIFT)
/* XXX should be MI */
static void
mkdumpheader(struct kerneldumpheader *kdh, uint32_t archver, uint64_t dumplen,
uint32_t blksz)
{
bzero(kdh, sizeof(*kdh));
strncpy(kdh->magic, KERNELDUMPMAGIC, sizeof(kdh->magic));
strncpy(kdh->architecture, MACHINE_ARCH, sizeof(kdh->architecture));
kdh->version = htod32(KERNELDUMPVERSION);
kdh->architectureversion = htod32(archver);
kdh->dumplength = htod64(dumplen);
kdh->dumptime = htod64(time_second);
kdh->blocksize = htod32(blksz);
strncpy(kdh->hostname, G_hostname, sizeof(kdh->hostname));
strncpy(kdh->versionstring, version, sizeof(kdh->versionstring));
if (panicstr != NULL)
strncpy(kdh->panicstring, panicstr, sizeof(kdh->panicstring));
kdh->parity = kerneldump_parity(kdh);
}
static int
buf_write(struct dumperinfo *di, char *ptr, size_t sz)
{
@ -194,7 +173,7 @@ dumpsys(struct dumperinfo *di)
/* Determine dump offset on device. */
dumplo = di->mediaoffset + di->mediasize - totsize;
mkdumpheader(&kdh, KERNELDUMP_SPARC64_VERSION, size, di->blocksize);
mkdumpheader(&kdh, KERNELDUMPMAGIC, KERNELDUMP_SPARC64_VERSION, size, di->blocksize);
printf("Dumping %lu MB (%d chunks)\n", (u_long)(size >> 20), nreg);

5
sys/sys/kerneldump.h
View File

@ -98,4 +98,9 @@ kerneldump_parity(struct kerneldumpheader *kdhp)
return (parity);
}
#ifdef _KERNEL
void mkdumpheader(struct kerneldumpheader *kdh, char *magic, uint32_t archver,
uint64_t dumplen, uint32_t blksz);
#endif
#endif /* _SYS_KERNELDUMP_H */