diff --git a/usr.bin/kdump/Makefile b/usr.bin/kdump/Makefile index 832b2dc20ac9..ea33bbd7b10a 100644 --- a/usr.bin/kdump/Makefile +++ b/usr.bin/kdump/Makefile @@ -1,15 +1,23 @@ # @(#)Makefile 8.1 (Berkeley) 6/6/93 # $FreeBSD$ +.if (${MACHINE_ARCH} == "amd64") +SFX= 32 +.endif + .PATH: ${.CURDIR}/../ktrace PROG= kdump SRCS= kdump.c ioctl.c kdump_subr.c subr.c CFLAGS+= -I${.CURDIR}/../ktrace -I${.CURDIR} -I${.CURDIR}/../.. +.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "i386" +SRCS+= linux_syscalls.c +.endif + WARNS?= 0 -CLEANFILES= ioctl.c kdump_subr.c +CLEANFILES= ioctl.c kdump_subr.c linux_syscalls.c ioctl.c: mkioctls sh ${.CURDIR}/mkioctls ${DESTDIR}/usr/include > ${.TARGET} @@ -17,4 +25,10 @@ ioctl.c: mkioctls kdump_subr.c: mksubr sh ${.CURDIR}/mksubr ${DESTDIR}/usr/include > ${.TARGET} +linux_syscalls.c: + /bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh \ + ${.CURDIR}/../../sys/${MACHINE_ARCH}/linux${SFX}/syscalls.master ${.CURDIR}/linux_syscalls.conf + echo "int nlinux_syscalls = sizeof(linux_syscallnames) / sizeof(linux_syscallnames[0]);" \ + >> linux_syscalls.c + .include diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c index 3b61f022eb03..6cd8cdab39fb 100644 --- a/usr.bin/kdump/kdump.c +++ b/usr.bin/kdump/kdump.c @@ -93,7 +93,7 @@ void ktrnamei(char *, int); void hexdump(char *, int, int); void visdump(char *, int, int); void ktrgenio(struct ktr_genio *, int); -void ktrpsig(struct ktr_psig *, u_int); +void ktrpsig(struct ktr_psig *); void ktrcsw(struct ktr_csw *); void ktruser(int, unsigned char *); void ktrsockaddr(struct sockaddr *); @@ -111,6 +111,41 @@ struct ktr_header ktr_header; #define TIME_FORMAT "%b %e %T %Y" #define eqs(s1, s2) (strcmp((s1), (s2)) == 0) +#define print_number(i,n,c) do { \ + if (decimal) \ + printf("%c%ld", c, (long)*i); \ + else \ + printf("%c%#lx", c, (long)*i); \ + i++; \ + n--; \ + c = ','; \ + } while (0); + +#if defined(__amd64__) || defined(__i386__) + +void linux_ktrsyscall(struct ktr_syscall *); +void linux_ktrsysret(struct ktr_sysret *); +extern char *linux_syscallnames[]; +extern int nlinux_syscalls; + +/* + * from linux.h + * Linux syscalls return negative errno's, we do positive and map them + */ +static int bsd_to_linux_errno[ELAST + 1] = { + -0, -1, -2, -3, -4, -5, -6, -7, -8, -9, + -10, -35, -12, -13, -14, -15, -16, -17, -18, -19, + -20, -21, -22, -23, -24, -25, -26, -27, -28, -29, + -30, -31, -32, -33, -34, -11,-115,-114, -88, -89, + -90, -91, -92, -93, -94, -95, -96, -97, -98, -99, + -100,-101,-102,-103,-104,-105,-106,-107,-108,-109, + -110,-111, -40, -36,-112,-113, -39, -11, -87,-122, + -116, -66, -6, -6, -6, -6, -6, -37, -38, -9, + -6, -6, -43, -42, -75,-125, -84, -95, -16, -74, + -72, -67, -71 +}; +#endif + struct proc_info { TAILQ_ENTRY(proc_info) info; @@ -233,10 +268,20 @@ main(int argc, char *argv[]) drop_logged = 0; switch (ktr_header.ktr_type) { case KTR_SYSCALL: - ktrsyscall((struct ktr_syscall *)m, sv_flags); +#if defined(__amd64__) || defined(__i386__) + if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX) + linux_ktrsyscall((struct ktr_syscall *)m); + else +#endif + ktrsyscall((struct ktr_syscall *)m, sv_flags); break; case KTR_SYSRET: - ktrsysret((struct ktr_sysret *)m, sv_flags); +#if defined(__amd64__) || defined(__i386__) + if ((sv_flags & SV_ABI_MASK) == SV_ABI_LINUX) + linux_ktrsysret((struct ktr_sysret *)m); + else +#endif + ktrsysret((struct ktr_sysret *)m, sv_flags); break; case KTR_NAMEI: case KTR_SYSCTL: @@ -246,7 +291,7 @@ main(int argc, char *argv[]) ktrgenio((struct ktr_genio *)m, ktrlen); break; case KTR_PSIG: - ktrpsig((struct ktr_psig *)m, sv_flags); + ktrpsig((struct ktr_psig *)m); break; case KTR_CSW: ktrcsw((struct ktr_csw *)m); @@ -455,17 +500,6 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags) char c = '('; if (fancy && (flags == 0 || (flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) { - -#define print_number(i,n,c) do { \ - if (decimal) \ - (void)printf("%c%ld", c, (long)*i); \ - else \ - (void)printf("%c%#lx", c, (long)*i); \ - i++; \ - n--; \ - c = ','; \ - } while (0); - if (ktr->ktr_code == SYS_ioctl) { const char *cp; print_number(ip,narg,c); @@ -1093,10 +1127,9 @@ const char *signames[] = { }; void -ktrpsig(struct ktr_psig *psig, u_int flags) +ktrpsig(struct ktr_psig *psig) { - if ((flags & SV_ABI_MASK) == SV_ABI_FREEBSD && - psig->signo > 0 && psig->signo < NSIG) + if (psig->signo > 0 && psig->signo < NSIG) (void)printf("SIG%s ", signames[psig->signo]); else (void)printf("SIG %d ", psig->signo); @@ -1471,6 +1504,67 @@ ktrstruct(char *buf, size_t buflen) printf("invalid record\n"); } +#if defined(__amd64__) || defined(__i386__) +void +linux_ktrsyscall(struct ktr_syscall *ktr) +{ + int narg = ktr->ktr_narg; + register_t *ip; + + if (ktr->ktr_code >= nlinux_syscalls || ktr->ktr_code < 0) + printf("[%d]", ktr->ktr_code); + else + printf("%s", linux_syscallnames[ktr->ktr_code]); + ip = &ktr->ktr_args[0]; + if (narg) { + char c = '('; + while (narg > 0) + print_number(ip, narg, c); + putchar(')'); + } + putchar('\n'); +} + +void +linux_ktrsysret(struct ktr_sysret *ktr) +{ + register_t ret = ktr->ktr_retval; + int error = ktr->ktr_error; + int code = ktr->ktr_code; + + if (code >= nlinux_syscalls || code < 0) + printf("[%d] ", code); + else + printf("%s ", linux_syscallnames[code]); + + if (error == 0) { + if (fancy) { + printf("%ld", (long)ret); + if (ret < 0 || ret > 9) + printf("/%#lx", (long)ret); + } else { + if (decimal) + printf("%ld", (long)ret); + else + printf("%#lx", (long)ret); + } + } else if (error == ERESTART) + printf("RESTART"); + else if (error == EJUSTRETURN) + printf("JUSTRETURN"); + else { + if (ktr->ktr_error <= ELAST + 1) + error = abs(bsd_to_linux_errno[ktr->ktr_error]); + else + error = 999; + printf("-1 errno %d", error); + if (fancy) + printf(" %s", strerror(ktr->ktr_error)); + } + putchar('\n'); +} +#endif + void usage(void) { diff --git a/usr.bin/kdump/linux_syscalls.conf b/usr.bin/kdump/linux_syscalls.conf new file mode 100644 index 000000000000..82adb560c131 --- /dev/null +++ b/usr.bin/kdump/linux_syscalls.conf @@ -0,0 +1,11 @@ +# $FreeBSD$ +sysnames="linux_syscalls.c" +sysproto="/dev/null" +sysproto_h=_LINUX_SYSPROTO_H_ +syshdr="/dev/null" +syssw="/dev/null" +sysmk="/dev/null" +syscallprefix="LINUX_SYS_" +switchname="/dev/null" +namesname="linux_syscallnames" +systrace="/dev/null"