From 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Mon, 19 Dec 2016 23:05:39 +0100 Subject: Reorganize source tree to use single autotools instance Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion --- src/vppinfra/unix-formats.c | 918 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 918 insertions(+) create mode 100644 src/vppinfra/unix-formats.c (limited to 'src/vppinfra/unix-formats.c') diff --git a/src/vppinfra/unix-formats.c b/src/vppinfra/unix-formats.c new file mode 100644 index 00000000000..a4c81ca2f70 --- /dev/null +++ b/src/vppinfra/unix-formats.c @@ -0,0 +1,918 @@ +/* + * Copyright (c) 2015 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +/* + Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifdef __KERNEL__ + +# include +# include + +#else /* ! __KERNEL__ */ + +#define _GNU_SOURCE /* to get REG_* in ucontext.h */ +#include +#undef _GNU_SOURCE +#undef __USE_GNU + +#include +#include + +#include +#include +#include +#include + +#include + +#ifdef AF_NETLINK +#include +#include +#endif + +#endif /* ! __KERNEL__ */ + + +#ifdef __KERNEL__ +# include +# include +# include +# include +# include +# include +# include +# include +#else +# include /* struct ifnet may live here */ +# include +# include +# include +# include +# include +# include +#endif /* __KERNEL__ */ + +#include /* foreach_set_bit */ +#include +#include + +/* Format unix network address family (e.g. AF_INET). */ +u8 * format_address_family (u8 * s, va_list * va) +{ + uword family = va_arg (*va, uword); + u8 * t = (u8 *) "UNKNOWN"; + switch (family) + { +#define _(x) case PF_##x: t = (u8 *) #x; break + _ (UNSPEC); + _ (UNIX); /* Unix domain sockets */ + _ (INET); /* Internet IP Protocol */ +#ifdef PF_AX25 + _ (AX25); /* Amateur Radio AX.25 */ +#endif +#ifdef PF_IPX + _ (IPX); /* Novell IPX */ +#endif +#ifdef PF_APPLETALK + _ (APPLETALK); /* AppleTalk DDP */ +#endif +#ifdef PF_NETROM + _ (NETROM); /* Amateur Radio NET/ROM */ +#endif +#ifdef PF_BRIDGE + _ (BRIDGE); /* Multiprotocol bridge */ +#endif +#ifdef PF_ATMPVC + _ (ATMPVC); /* ATM PVCs */ +#endif +#ifdef PF_X25 + _ (X25); /* Reserved for X.25 project */ +#endif +#ifdef PF_INET6 + _ (INET6); /* IP version 6 */ +#endif +#ifdef PF_ROSE + _ (ROSE); /* Amateur Radio X.25 PLP */ +#endif +#ifdef PF_DECnet + _ (DECnet); /* Reserved for DECnet project */ +#endif +#ifdef PF_NETBEUI + _ (NETBEUI); /* Reserved for 802.2LLC project*/ +#endif +#ifdef PF_SECURITY + _ (SECURITY); /* Security callback pseudo AF */ +#endif +#ifdef PF_KEY + _ (KEY); /* PF_KEY key management API */ +#endif +#ifdef PF_NETLINK + _ (NETLINK); +#endif +#ifdef PF_PACKET + _ (PACKET); /* Packet family */ +#endif +#ifdef PF_ASH + _ (ASH); /* Ash */ +#endif +#ifdef PF_ECONET + _ (ECONET); /* Acorn Econet */ +#endif +#ifdef PF_ATMSVC + _ (ATMSVC); /* ATM SVCs */ +#endif +#ifdef PF_SNA + _ (SNA); /* Linux SNA Project */ +#endif +#ifdef PF_IRDA + _ (IRDA); /* IRDA sockets */ +#endif +#undef _ + } + vec_add (s, t, strlen ((char *) t)); + return s; +} + +u8 * format_network_protocol (u8 * s, va_list * args) +{ + uword family = va_arg (*args, uword); + uword protocol = va_arg (*args, uword); + +#ifndef __KERNEL__ + struct protoent * p = getprotobynumber (protocol); + + ASSERT (family == AF_INET); + if (p) + return format (s, "%s", p->p_name); + else + return format (s, "%d", protocol); +#else + return format (s, "%d/%d", family, protocol); +#endif +} + +u8 * format_network_port (u8 * s, va_list * args) +{ + uword proto = va_arg (*args, uword); + uword port = va_arg (*args, uword); + +#ifndef __KERNEL__ + struct servent * p = getservbyport (port, proto == IPPROTO_UDP ? "udp" : "tcp"); + + if (p) + return format (s, "%s", p->s_name); + else + return format (s, "%d", port); +#else + return format (s, "%s/%d", proto == IPPROTO_UDP ? "udp" : "tcp", port); +#endif +} + +/* Format generic network address: takes two arguments family and address. + Assumes network byte order. */ +u8 * format_network_address (u8 * s, va_list * args) +{ + uword family = va_arg (*args, uword); + u8 * addr = va_arg (*args, u8 *); + + switch (family) + { + case AF_INET: + s = format (s, "%d.%d.%d.%d", addr[0], addr[1], addr[2], addr[3]); + break; + + case AF_UNSPEC: + /* We use AF_UNSPEC for ethernet addresses. */ + s = format (s, "%02x:%02x:%02x:%02x:%02x:%02x", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]); + break; + + default: + clib_error ("unsupported address family %d", family); + } + + return s; +} + +u8 * format_sockaddr (u8 * s, va_list * args) +{ + void * v = va_arg (*args, void *); + struct sockaddr * sa = v; + + switch (sa->sa_family) + { + case AF_INET: + { + struct sockaddr_in * i = v; + s = format (s, "%U:%U", + format_network_address, AF_INET, &i->sin_addr.s_addr, + format_network_port, IPPROTO_TCP, ntohs (i->sin_port)); + } + break; + +#ifndef __KERNEL__ +#ifdef AF_NETLINK + case AF_NETLINK: + { + struct sockaddr_nl * n = v; + s = format (s, "KERNEL-NETLINK"); + if (n->nl_groups) + s = format (s, " (groups 0x%x)", n->nl_groups); + break; + } +#endif +#endif + + default: + s = format (s, "sockaddr family %d", sa->sa_family); + break; + } + + return s; +} + +u8 * format_tcp4_packet (u8 * s, va_list * args) +{ + u8 * p = va_arg (*args, u8 *); + struct iphdr * ip = (void *) p; + struct tcphdr * tcp = (void *) (ip + 1); + + s = format (s, "tcp %U:%U -> %U:%U", + format_network_address, AF_INET, &ip->saddr, + format_network_port, IPPROTO_TCP, ntohs (tcp->source), + format_network_address, AF_INET, &ip->daddr, + format_network_port, IPPROTO_TCP, ntohs (tcp->dest)); + + s = format (s, ", seq 0x%08x -> 0x%08x", tcp->seq, tcp->ack_seq); +#define _(f) if (tcp->f) s = format (s, ", " #f); + _ (syn); _ (ack); _ (fin); _ (rst); _ (psh); _ (urg); +#undef _ + + if (tcp->window) + s = format (s, ", window 0x%04x", tcp->window); + if (tcp->urg) + s = format (s, ", urg 0x%04x", tcp->urg_ptr); + + return s; +} + +u8 * format_udp4_packet (u8 * s, va_list * args) +{ + u8 * p = va_arg (*args, u8 *); + struct iphdr * ip = (void *) p; + struct udphdr * udp = (void *) (ip + 1); + + s = format (s, "udp %U:%U -> %U:%U", + format_network_address, AF_INET, &ip->saddr, + format_network_port, IPPROTO_UDP, ntohs (udp->source), + format_network_address, AF_INET, &ip->daddr, + format_network_port, IPPROTO_UDP, ntohs (udp->dest)); + + return s; +} + +u8 * format_icmp4_type_and_code (u8 * s, va_list * args) +{ + uword icmp_type = va_arg (*args, uword); + uword icmp_code = va_arg (*args, uword); + + switch (icmp_type) + { +#define _(f,str) case ICMP_##f: s = format (s, str); break; + _ (ECHOREPLY, "echo reply"); + _ (DEST_UNREACH, "unreachable"); + _ (SOURCE_QUENCH, "source quench"); + _ (REDIRECT, "redirect"); + _ (ECHO, "echo request"); + _ (TIME_EXCEEDED, "time exceeded"); + _ (PARAMETERPROB, "parameter problem"); + _ (TIMESTAMP, "timestamp request"); + _ (TIMESTAMPREPLY, "timestamp reply"); + _ (INFO_REQUEST, "information request"); + _ (INFO_REPLY, "information reply"); + _ (ADDRESS, "address mask request"); + _ (ADDRESSREPLY, "address mask reply"); +#undef _ + default: + s = format (s, "unknown type 0x%x", icmp_type); + } + + if (icmp_type == ICMP_DEST_UNREACH) + { + switch (icmp_code) + { +#define _(f,str) case ICMP_##f: s = format (s, " " # str); break; + _ (NET_UNREACH, "network"); + _ (HOST_UNREACH, "host"); + _ (PROT_UNREACH, "protocol"); + _ (PORT_UNREACH, "port"); + _ (FRAG_NEEDED, ": fragmentation needed/DF set"); + _ (SR_FAILED, "source route failed"); + _ (NET_UNKNOWN, "network unknown"); + _ (HOST_UNKNOWN, "host unknown"); + _ (HOST_ISOLATED, "host isolated"); + _ (NET_ANO, "network: admin. prohibited"); + _ (HOST_ANO, "host: admin. prohibited"); + _ (NET_UNR_TOS, "network for type-of-service"); + _ (HOST_UNR_TOS, "host for type-of-service"); + _ (PKT_FILTERED, ": packet filtered"); + _ (PREC_VIOLATION, "precedence violation"); + _ (PREC_CUTOFF, "precedence cut off"); +#undef _ + default: + s = format (s, "unknown code 0x%x", icmp_code); + } + } + else if (icmp_type == ICMP_REDIRECT) + { + switch (icmp_code) + { +#define _(f,str) case ICMP_##f: s = format (s, " " # str); break; + _ (REDIR_NET, "network"); + _ (REDIR_HOST, "host"); + _ (REDIR_NETTOS, "network for type-of-service"); + _ (REDIR_HOSTTOS, "host for type-of-service"); +#undef _ + default: + s = format (s, "unknown code 0x%x", icmp_code); + } + } + else if (icmp_type == ICMP_TIME_EXCEEDED) + { + switch (icmp_code) + { +#define _(f,str) case ICMP_##f: s = format (s, " " # str); break; + _ (EXC_TTL, "time-to-live zero in transit"); + _ (EXC_FRAGTIME, "time-to-live zero during reassembly"); +#undef _ + default: + s = format (s, "unknown code 0x%x", icmp_code); + } + } + + return s; +} + +typedef struct { + u8 type; + u8 code; + u16 checksum; +} icmp4_t; + +u8 * format_icmp4_packet (u8 * s, va_list * args) +{ + u8 * p = va_arg (*args, u8 *); + struct iphdr * ip = (void *) p; + icmp4_t * icmp = (void *) (ip + 1); + s = format (s, "icmp %U %U -> %U", + format_icmp4_type_and_code, icmp->type, icmp->code, + format_network_address, AF_INET, &ip->saddr, + format_network_address, AF_INET, &ip->daddr); + + return s; +} + +u8 * format_ip4_tos_byte (u8 * s, va_list * args) +{ + uword tos = va_arg (*args, uword); + + if (tos & IPTOS_LOWDELAY) + s = format (s, "minimize-delay, "); + if (tos & IPTOS_MINCOST) + s = format (s, "minimize-cost, "); + if (tos & IPTOS_THROUGHPUT) + s = format (s, "maximize-throughput, "); + if (tos & IPTOS_RELIABILITY) + s = format (s, "maximize-reliability, "); + + switch (IPTOS_PREC (tos)) + { +#define _(x,y) case IPTOS_PREC_##x: s = format (s, y); break + _ (NETCONTROL, "network"); + _ (INTERNETCONTROL, "internet"); + _ (CRITIC_ECP, "critical"); + _ (FLASH, "flash"); + _ (FLASHOVERRIDE, "flash-override"); + _ (IMMEDIATE, "immediate"); + _ (PRIORITY, "priority"); + _ (ROUTINE, "routine"); +#undef _ + } + + return s; +} + +u8 * format_ip4_packet (u8 * s, va_list * args) +{ + u8 * p = va_arg (*args, u8 *); + struct iphdr * ip = (void *) p; + + static format_function_t * f[256]; + + if (! f[IPPROTO_TCP]) + { + f[IPPROTO_TCP] = format_tcp4_packet; + f[IPPROTO_UDP] = format_udp4_packet; + f[IPPROTO_ICMP] = format_icmp4_packet; + } + + if (f[ip->protocol]) + return format (s, "%U", f[ip->protocol], p); + + s = format (s, "%U: %U -> %U", + format_network_protocol, AF_INET, ip->protocol, + format_network_address, AF_INET, &ip->saddr, + format_network_address, AF_INET, &ip->daddr); + + return s; +} + +#define foreach_unix_arphrd_type \ + _ (NETROM, 0) \ + _ (ETHER, 1) \ + _ (EETHER, 2) \ + _ (AX25, 3) \ + _ (PRONET, 4) \ + _ (CHAOS, 5) \ + _ (IEEE802, 6) \ + _ (ARCNET, 7) \ + _ (APPLETLK, 8) \ + _ (DLCI, 15) \ + _ (ATM, 19) \ + _ (METRICOM, 23) \ + _ (IEEE1394, 24) \ + _ (EUI64, 27) \ + _ (INFINIBAND, 32) \ + _ (SLIP, 256) \ + _ (CSLIP, 257) \ + _ (SLIP6, 258) \ + _ (CSLIP6, 259) \ + _ (RSRVD, 260) \ + _ (ADAPT, 264) \ + _ (ROSE, 270) \ + _ (X25, 271) \ + _ (HWX25, 272) \ + _ (PPP, 512) \ + _ (HDLC, 513) \ + _ (LAPB, 516) \ + _ (DDCMP, 517) \ + _ (RAWHDLC, 518) \ + _ (TUNNEL, 768) \ + _ (TUNNEL6, 769) \ + _ (FRAD, 770) \ + _ (SKIP, 771) \ + _ (LOOPBACK, 772) \ + _ (LOCALTLK, 773) \ + _ (FDDI, 774) \ + _ (BIF, 775) \ + _ (SIT, 776) \ + _ (IPDDP, 777) \ + _ (IPGRE, 778) \ + _ (PIMREG, 779) \ + _ (HIPPI, 780) \ + _ (ASH, 781) \ + _ (ECONET, 782) \ + _ (IRDA, 783) \ + _ (FCPP, 784) \ + _ (FCAL, 785) \ + _ (FCPL, 786) \ + _ (FCFABRIC, 787) \ + _ (IEEE802_TR, 800) \ + _ (IEEE80211, 801) \ + _ (IEEE80211_PRISM, 802) \ + _ (IEEE80211_RADIOTAP, 803) \ + _ (VOID, 0xFFFF) \ + _ (NONE, 0xFFFE) + +u8 * format_unix_arphrd (u8 * s, va_list * args) +{ +#ifndef __COVERITY__ /* doesn't understand this at all... */ + u32 x = va_arg (*args, u32); + char * t; + switch (x) + { +#define _(f,n) case ARPHRD_##f: t = #f; break; + foreach_unix_arphrd_type +#undef _ + default: + t = 0; + break; + } + + if (t) + s = format (s, "%s", t); + else + s = format (s, "unknown 0x%x", x); +#endif + return s; +} + +#define foreach_unix_interface_flag \ + _ (up) \ + _ (broadcast) \ + _ (debug) \ + _ (loopback) \ + _ (pointopoint) \ + _ (notrailers) \ + _ (running) \ + _ (noarp) \ + _ (promisc) \ + _ (allmulti) \ + _ (master) \ + _ (slave) \ + _ (multicast) \ + _ (portsel) \ + _ (automedia) \ + _ (dynamic) \ + _ (lower_up) \ + _ (dormant) \ + _ (echo) + +static char * unix_interface_flag_names[] = { +#define _(f) #f, + foreach_unix_interface_flag +#undef _ +}; + +u8 * format_unix_interface_flags (u8 * s, va_list * args) +{ + u32 x = va_arg (*args, u32); + u32 i; + + if (x == 0) + s = format (s, "none"); + else foreach_set_bit (i, x, ({ + if (i < ARRAY_LEN (unix_interface_flag_names)) + s = format (s, "%s", unix_interface_flag_names[i]); + else + s = format (s, "unknown %d", i); + if (x >> (i + 1)) + s = format (s, ", "); + })); + return s; +} + +typedef struct { + u16 ar_hrd; /* format of hardware address */ + u16 ar_pro; /* format of protocol address */ + u8 ar_hln; /* length of hardware address */ + u8 ar_pln; /* length of protocol address */ + u16 ar_op; /* ARP opcode (command) */ + u8 ar_sha[6]; /* sender hardware address */ + u8 ar_spa[4]; /* sender IP address */ + u8 ar_tha[6]; /* target hardware address */ + u8 ar_tpa[4]; /* target IP address */ +} arp_ether_ip4_t; + +u8 * format_arp_packet (u8 * s, va_list * args) +{ + arp_ether_ip4_t * a = va_arg (*args, arp_ether_ip4_t *); + char * op = "unknown"; + + if (a->ar_pro != ETH_P_IP || + a->ar_hrd != ARPHRD_ETHER) + return s; + + switch (a->ar_op) + { +#define _(f) case ARPOP_##f: op = #f; break; + _ (REQUEST); + _ (REPLY); + _ (RREQUEST); + _ (RREPLY); +#undef _ + } + + s = format (s, "%s %U %U -> %U %U", + op, + format_network_address, AF_INET, a->ar_spa, + format_network_address, AF_UNSPEC, a->ar_sha, + format_network_address, AF_INET, a->ar_tpa, + format_network_address, AF_UNSPEC, a->ar_tha); + return s; +} + +u8 * format_ethernet_proto (u8 * s, va_list * args) +{ + uword type = va_arg (*args, uword); + char * t = 0; + + switch (type) + { + case 0: t = "BPDU"; break; +#define _(f) case ETH_P_##f: t = #f; break; + _ (LOOP); + _ (PUP); +#ifdef ETH_P_PUPAT + _ (PUPAT); +#endif + _ (IP); + _ (X25); + _ (ARP); + _ (BPQ); +#ifdef ETH_P_PUPAT + _ (IEEEPUP); + _ (IEEEPUPAT); +#endif + _ (DEC); + _ (DNA_DL); + _ (DNA_RC); + _ (DNA_RT); + _ (LAT); + _ (DIAG); + _ (CUST); + _ (SCA); + _ (RARP); + _ (ATALK); + _ (AARP); + _ (IPX); + _ (IPV6); +#ifdef ETH_P_PPP_DISC + _ (PPP_DISC); + _ (PPP_SES); +#endif +#ifdef ETH_P_ATMMPOA + _ (ATMMPOA); + _ (ATMFATE); +#endif + _ (802_3); + _ (AX25); + _ (ALL); + _ (802_2); + _ (SNAP); + _ (DDCMP); + _ (WAN_PPP); + _ (PPP_MP); + _ (LOCALTALK); + _ (PPPTALK); + _ (TR_802_2); + _ (MOBITEX); + _ (CONTROL); + _ (IRDA); +#ifdef ETH_P_ECONET + _ (ECONET); +#endif +#undef _ + } + + if (t) + vec_add (s, t, strlen (t)); + else + s = format (s, "ether-type 0x%x", type); + return s; +} + +u8 * format_ethernet_packet (u8 * s, va_list * args) +{ + struct ethhdr * h = va_arg (*args, struct ethhdr *); + uword proto = h->h_proto; + u8 * payload = (void *) (h + 1); + uword indent; + + /* Check for 802.2/802.3 encapsulation. */ + if (proto < ETH_DATA_LEN) + { + typedef struct { + u8 dsap, ssap, control; + u8 orig_code[3]; + u16 proto; + } ethhdr_802_t; + ethhdr_802_t * h1 = (void *) (h + 1); + proto = h1->proto; + payload = (void *) (h1 + 1); + } + + indent = format_get_indent (s); + + s = format (s, "%U: %U -> %U", + format_ethernet_proto, proto, + format_network_address, AF_UNSPEC, h->h_source, + format_network_address, AF_UNSPEC, h->h_dest); + + switch (proto) + { + case ETH_P_ARP: + s = format (s, "\n%U%U", + format_white_space, indent, + format_arp_packet, payload); + break; + } + + return s; +} + +#ifndef __KERNEL__ +u8 * format_hostname (u8 * s, va_list * args) +{ + char buffer[1024]; + char * b = buffer; + if (gethostname (b, sizeof (buffer)) < 0) + b = "noname"; + return format (s, "%s", b); +} +#endif + +#ifndef __KERNEL__ +u8 * format_timeval (u8 * s, va_list * args) +{ + char * fmt = va_arg (*args, char *); + struct timeval * tv = va_arg (*args, struct timeval *); + struct tm * tm; + word msec; + char * f, c; + + if (! fmt) + fmt = "y/m/d H:M:S:F"; + + if (! tv) + { + static struct timeval now; + gettimeofday (&now, 0); + tv = &now; + } + + msec = flt_round_nearest (1e-3 * tv->tv_usec); + if (msec >= 1000) + { msec = 0; tv->tv_sec++; } + + { + time_t t = tv->tv_sec; + tm = localtime (&t); + } + + for (f = fmt; *f; f++) + { + uword what; + char * what_fmt = "%d"; + + switch (c = *f) + { + default: + vec_add1 (s, c); + continue; + + case 'y': + what = 1900 + tm->tm_year; + what_fmt = "%4d"; + break; + case 'm': + what = tm->tm_mon + 1; + what_fmt = "%2d"; + break; + case 'd': + what = tm->tm_mday; + what_fmt = "%2d"; + break; + case 'H': + what = tm->tm_hour; + what_fmt = "%02d"; + break; + case 'M': + what = tm->tm_min; + what_fmt = "%02d"; + break; + case 'S': + what = tm->tm_sec; + what_fmt = "%02d"; + break; + case 'F': + what = msec; + what_fmt = "%03d"; + break; + } + + s = format (s, what_fmt, what); + } + + return s; +} + +u8 * format_time_float (u8 * s, va_list * args) +{ + u8 * fmt = va_arg (*args, u8 *); + f64 t = va_arg (*args, f64); + struct timeval tv; + if (t <= 0) + t = unix_time_now (); + tv.tv_sec = t; + tv.tv_usec = 1e6*(t - tv.tv_sec); + return format (s, "%U", format_timeval, fmt, &tv); +} + +u8 * format_signal (u8 * s, va_list * args) +{ + uword signum = va_arg (*args, uword); + char * t = 0; + switch (signum) + { +#define _(x) case x: t = #x; break; + _ (SIGHUP); + _ (SIGINT); + _ (SIGQUIT); + _ (SIGILL); + _ (SIGTRAP); + _ (SIGABRT); + _ (SIGBUS); + _ (SIGFPE); + _ (SIGKILL); + _ (SIGUSR1); + _ (SIGSEGV); + _ (SIGUSR2); + _ (SIGPIPE); + _ (SIGALRM); + _ (SIGTERM); +#ifdef SIGSTKFLT + _ (SIGSTKFLT); +#endif + _ (SIGCHLD); + _ (SIGCONT); + _ (SIGSTOP); + _ (SIGTSTP); + _ (SIGTTIN); + _ (SIGTTOU); + _ (SIGURG); + _ (SIGXCPU); + _ (SIGXFSZ); + _ (SIGVTALRM); + _ (SIGPROF); + _ (SIGWINCH); + _ (SIGIO); + _ (SIGPWR); +#ifdef SIGSYS + _ (SIGSYS); +#endif +#undef _ + default: + return format (s, "unknown %d", signum); + } + + vec_add (s, t, strlen (t)); + return s; +} + +u8 * format_ucontext_pc (u8 * s, va_list * args) +{ + ucontext_t * uc __attribute__((unused)); + unsigned long * regs = 0; + uword reg_no = 0; + + uc = va_arg (*args, ucontext_t *); + +#if defined (powerpc) + regs = &uc->uc_mcontext.uc_regs->gregs[0]; +#elif defined (powerpc64) + regs = &uc->uc_mcontext.uc_regs->gp_regs[0]; +#elif defined (i386) || defined (__x86_64__) + regs = (void *) &uc->uc_mcontext.gregs[0]; +#endif + +#if defined (powerpc) || defined (powerpc64) + reg_no = PT_NIP; +#elif defined (i386) + reg_no = REG_EIP; +#elif defined (__x86_64__) + reg_no = REG_RIP; +#else + reg_no = 0; + regs = 0; +#endif + + if (! regs) + return format (s, "unsupported"); + else + return format (s, "%p", regs[reg_no]); +} + +#endif /* __KERNEL__ */ -- cgit 1.2.3-korg