#define MA MAX_ARGS
#define SI STACKTRACE_INVALIDATE_CACHE
#define SE STACKTRACE_CAPTURE_ON_ENTER
+#define CST COMPAT_SYSCALL_TYPES
#define SEN(syscall_name) SEN_ ## syscall_name, SYS_FUNC_NAME(sys_ ## syscall_name)
#undef MA
#undef SI
#undef SE
+#undef CST
/*
* `ioctlent[012].h' files are automatically generated by the auxiliary
unsigned nsignals = nsignals0;
unsigned nioctlents = nioctlents0;
-unsigned num_quals;
-qualbits_t *qual_vec[SUPPORTED_PERSONALITIES];
-
-static const unsigned nsyscall_vec[SUPPORTED_PERSONALITIES] = {
+const unsigned int nsyscall_vec[SUPPORTED_PERSONALITIES] = {
nsyscalls0,
#if SUPPORTED_PERSONALITIES > 1
nsyscalls1,
nsyscalls2,
#endif
};
-static const struct_sysent *const sysent_vec[SUPPORTED_PERSONALITIES] = {
+const struct_sysent *const sysent_vec[SUPPORTED_PERSONALITIES] = {
sysent0,
#if SUPPORTED_PERSONALITIES > 1
sysent1,
#endif
};
-enum {
- MAX_NSYSCALLS1 = (nsyscalls0
-#if SUPPORTED_PERSONALITIES > 1
- > nsyscalls1 ? nsyscalls0 : nsyscalls1
-#endif
- ),
- MAX_NSYSCALLS2 = (MAX_NSYSCALLS1
-#if SUPPORTED_PERSONALITIES > 2
- > nsyscalls2 ? MAX_NSYSCALLS1 : nsyscalls2
-#endif
- ),
- MAX_NSYSCALLS = MAX_NSYSCALLS2,
- /* We are ready for arches with up to 255 signals,
- * even though the largest known signo is on MIPS and it is 128.
- * The number of existing syscalls on all arches is
- * larger that 255 anyway, so it is just a pedantic matter.
- */
- MIN_QUALS = MAX_NSYSCALLS > 255 ? MAX_NSYSCALLS : 255
-};
-
#if SUPPORTED_PERSONALITIES > 1
unsigned current_personality;
};
# endif
+# ifndef current_klongsize
+unsigned current_klongsize;
+static const int personality_klongsize[SUPPORTED_PERSONALITIES] = {
+ PERSONALITY0_KLONGSIZE,
+ PERSONALITY1_KLONGSIZE,
+# if SUPPORTED_PERSONALITIES > 2
+ PERSONALITY2_KLONGSIZE,
+# endif
+};
+# endif
+
void
set_personality(int personality)
{
# ifndef current_wordsize
current_wordsize = personality_wordsize[personality];
# endif
+# ifndef current_klongsize
+ current_klongsize = personality_klongsize[personality];
+# endif
}
static void
}
#endif
-static int qual_desc(const char *, unsigned int, int);
-static int qual_signal(const char *, unsigned int, int);
-static int qual_syscall(const char *, unsigned int, int);
-
-static const struct qual_options {
- unsigned int bitflag;
- const char *option_name;
- int (*qualify)(const char *, unsigned int, int);
- const char *argument_name;
-} qual_options[] = {
- { QUAL_TRACE, "trace", qual_syscall, "system call" },
- { QUAL_TRACE, "t", qual_syscall, "system call" },
- { QUAL_ABBREV, "abbrev", qual_syscall, "system call" },
- { QUAL_ABBREV, "a", qual_syscall, "system call" },
- { QUAL_VERBOSE, "verbose", qual_syscall, "system call" },
- { QUAL_VERBOSE, "v", qual_syscall, "system call" },
- { QUAL_RAW, "raw", qual_syscall, "system call" },
- { QUAL_RAW, "x", qual_syscall, "system call" },
- { QUAL_SIGNAL, "signal", qual_signal, "signal" },
- { QUAL_SIGNAL, "signals", qual_signal, "signal" },
- { QUAL_SIGNAL, "s", qual_signal, "signal" },
- { QUAL_READ, "read", qual_desc, "descriptor" },
- { QUAL_READ, "reads", qual_desc, "descriptor" },
- { QUAL_READ, "r", qual_desc, "descriptor" },
- { QUAL_WRITE, "write", qual_desc, "descriptor" },
- { QUAL_WRITE, "writes", qual_desc, "descriptor" },
- { QUAL_WRITE, "w", qual_desc, "descriptor" },
- { 0, NULL, NULL, NULL },
-};
-
-static void
-reallocate_vec(void **vec, unsigned int old_nmemb,
- size_t size, unsigned int new_nmemb)
-{
- unsigned int p;
-
- for (p = 0; p < SUPPORTED_PERSONALITIES; ++p) {
- vec[p] = xreallocarray(vec[p], new_nmemb, size);
- memset(vec[p] + size * old_nmemb, 0,
- (new_nmemb - old_nmemb) * size);
- }
-}
-
-static void
-reallocate_qual(const unsigned int n)
-{
- reallocate_vec((void **) qual_vec, num_quals, sizeof(qualbits_t), n);
- num_quals = n;
-}
-
-static void
-qualify_one(const unsigned int n, unsigned int bitflag, const int not, const int pers)
-{
- int p;
-
- if (num_quals <= n)
- reallocate_qual(n + 1);
-
- for (p = 0; p < SUPPORTED_PERSONALITIES; p++) {
- if (pers == p || pers < 0) {
- if (not)
- qual_vec[p][n] &= ~bitflag;
- else
- qual_vec[p][n] |= bitflag;
- }
- }
-}
-
-static int
-lookup_class(const char *s)
-{
- if (strcmp(s, "file") == 0)
- return TRACE_FILE;
- if (strcmp(s, "ipc") == 0)
- return TRACE_IPC;
- if (strcmp(s, "network") == 0)
- return TRACE_NETWORK;
- if (strcmp(s, "process") == 0)
- return TRACE_PROCESS;
- if (strcmp(s, "signal") == 0)
- return TRACE_SIGNAL;
- if (strcmp(s, "desc") == 0)
- return TRACE_DESC;
- if (strcmp(s, "memory") == 0)
- return TRACE_MEMORY;
- return -1;
-}
-
-static int
-qual_syscall(const char *s, const unsigned int bitflag, const int not)
-{
- unsigned int p;
- unsigned int i;
- int n;
- int rc = -1;
-
- if ((n = lookup_class(s)) >= 0) {
- for (p = 0; p < SUPPORTED_PERSONALITIES; ++p) {
- for (i = 0; i < nsyscall_vec[p]; ++i) {
- if ((sysent_vec[p][i].sys_flags & n) == n) {
- qualify_one(i, bitflag, not, p);
- }
- }
- }
- return 0;
- }
-
- if (*s >= '0' && *s <= '9') {
- i = string_to_uint(s);
- if (i >= MAX_NSYSCALLS)
- return -1;
- qualify_one(i, bitflag, not, -1);
- return 0;
- }
-
- for (p = 0; p < SUPPORTED_PERSONALITIES; p++) {
- for (i = 0; i < nsyscall_vec[p]; i++) {
- if (sysent_vec[p][i].sys_name
- && strcmp(s, sysent_vec[p][i].sys_name) == 0
- ) {
- qualify_one(i, bitflag, not, p);
- rc = 0;
- }
- }
- }
-
- return rc;
-}
-
-static int
-qual_signal(const char *s, const unsigned int bitflag, const int not)
-{
- unsigned int i;
-
- if (*s >= '0' && *s <= '9') {
- int signo = string_to_uint(s);
- if (signo < 0 || signo > 255)
- return -1;
- qualify_one(signo, bitflag, not, -1);
- return 0;
- }
- if (strncasecmp(s, "SIG", 3) == 0)
- s += 3;
- for (i = 0; i <= NSIG; i++) {
- if (strcasecmp(s, signame(i) + 3) == 0) {
- qualify_one(i, bitflag, not, -1);
- return 0;
- }
- }
- return -1;
-}
-
-static int
-qual_desc(const char *s, const unsigned int bitflag, const int not)
-{
- if (*s >= '0' && *s <= '9') {
- int desc = string_to_uint(s);
- if (desc < 0 || desc > 0x7fff) /* paranoia */
- return -1;
- qualify_one(desc, bitflag, not, -1);
- return 0;
- }
- return -1;
-}
-
-void
-qualify(const char *s)
-{
- const struct qual_options *opt;
- char *copy;
- const char *p;
- int not;
- unsigned int i;
-
- if (num_quals == 0)
- reallocate_qual(MIN_QUALS);
-
- opt = &qual_options[0];
- for (i = 0; (p = qual_options[i].option_name); i++) {
- unsigned int len = strlen(p);
- if (strncmp(s, p, len) == 0 && s[len] == '=') {
- opt = &qual_options[i];
- s += len + 1;
- break;
- }
- }
- not = 0;
- if (*s == '!') {
- not = 1;
- s++;
- }
- if (strcmp(s, "none") == 0) {
- not = 1 - not;
- s = "all";
- }
- if (strcmp(s, "all") == 0) {
- for (i = 0; i < num_quals; i++) {
- qualify_one(i, opt->bitflag, not, -1);
- }
- return;
- }
- for (i = 0; i < num_quals; i++) {
- qualify_one(i, opt->bitflag, !not, -1);
- }
- copy = xstrdup(s);
- for (p = strtok(copy, ","); p; p = strtok(NULL, ",")) {
- if (opt->qualify(p, opt->bitflag, not)) {
- error_msg_and_die("invalid %s '%s'",
- opt->argument_name, p);
- }
- }
- free(copy);
- return;
-}
-
#ifdef SYS_socket_subcall
static void
decode_socket_subcall(struct tcb *tcp)
if (call < 1 || call >= SYS_socket_nsubcalls)
return;
- const unsigned long scno = SYS_socket_subcall + call;
+ const kernel_scno_t scno = SYS_socket_subcall + call;
const unsigned int nargs = sysent[scno].nargs;
uint64_t buf[nargs];
return;
tcp->scno = scno;
- tcp->qual_flg = qual_flags[scno];
+ tcp->qual_flg = qual_flags(scno);
tcp->s_ent = &sysent[scno];
unsigned int i;
}
tcp->scno = SYS_ipc_subcall + call;
- tcp->qual_flg = qual_flags[tcp->scno];
+ tcp->qual_flg = qual_flags(tcp->scno);
tcp->s_ent = &sysent[tcp->scno];
const unsigned int n = tcp->s_ent->nargs;
static void
decode_mips_subcall(struct tcb *tcp)
{
- if (!SCNO_IS_VALID(tcp->u_arg[0]))
+ if (!scno_is_valid(tcp->u_arg[0]))
return;
tcp->scno = tcp->u_arg[0];
- tcp->qual_flg = qual_flags[tcp->scno];
+ tcp->qual_flg = qual_flags(tcp->scno);
tcp->s_ent = &sysent[tcp->scno];
memmove(&tcp->u_arg[0], &tcp->u_arg[1],
sizeof(tcp->u_arg) - sizeof(tcp->u_arg[0]));
static void
dumpio(struct tcb *tcp)
{
- int sen;
-
if (syserror(tcp))
return;
- if ((unsigned long) tcp->u_arg[0] >= num_quals)
- return;
- sen = tcp->s_ent->sen;
- if (SEN_printargs == sen)
+
+ int fd = tcp->u_arg[0];
+ if (fd < 0)
return;
- if (qual_flags[tcp->u_arg[0]] & QUAL_READ) {
- switch (sen) {
+
+ if (is_number_in_set(fd, &read_set)) {
+ switch (tcp->s_ent->sen) {
case SEN_read:
case SEN_pread:
case SEN_recv:
return;
}
}
- if (qual_flags[tcp->u_arg[0]] & QUAL_WRITE) {
- switch (sen) {
+ if (is_number_in_set(fd, &write_set)) {
+ switch (tcp->s_ent->sen) {
case SEN_write:
case SEN_pwrite:
case SEN_send:
case SEN_pwritev:
case SEN_pwritev2:
case SEN_vmsplice:
- dumpiov(tcp, tcp->u_arg[2], tcp->u_arg[1]);
+ dumpiov_upto(tcp, tcp->u_arg[2], tcp->u_arg[1], -1);
break;
case SEN_sendmsg:
- dumpiov_in_msghdr(tcp, tcp->u_arg[1],
- (unsigned long) -1L);
+ dumpiov_in_msghdr(tcp, tcp->u_arg[1], -1);
break;
case SEN_sendmmsg:
dumpiov_in_mmsghdr(tcp, tcp->u_arg[1]);
* Shuffle syscall numbers so that we don't have huge gaps in syscall table.
* The shuffling should be an involution: shuffle_scno(shuffle_scno(n)) == n.
*/
-#if defined(ARM) || defined(AARCH64) /* So far only 32-bit ARM needs this */
-static long
-shuffle_scno(unsigned long scno)
+static kernel_scno_t
+shuffle_scno(kernel_scno_t scno)
{
+#if defined(ARM) || defined(AARCH64) /* So far only 32-bit ARM needs this */
if (scno < ARM_FIRST_SHUFFLED_SYSCALL)
return scno;
if (scno == 0x000ffff0)
return ARM_FIRST_SHUFFLED_SYSCALL;
-#define ARM_SECOND_SHUFFLED_SYSCALL (ARM_FIRST_SHUFFLED_SYSCALL + 1)
+# define ARM_SECOND_SHUFFLED_SYSCALL (ARM_FIRST_SHUFFLED_SYSCALL + 1)
/*
* Is it ARM specific syscall?
* Swap [0x000f0000, 0x000f0000 + LAST_SPECIAL] range
if (scno <= ARM_SECOND_SHUFFLED_SYSCALL + ARM_LAST_SPECIAL_SYSCALL) {
return scno + 0x000f0000 - ARM_SECOND_SHUFFLED_SYSCALL;
}
+#endif /* ARM || AARCH64 */
return scno;
}
-#else
-# define shuffle_scno(scno) ((long)(scno))
-#endif
-
-const char *
-syscall_name(long scno)
-{
- static char buf[sizeof("syscall_%lu") + sizeof(long)*3];
-
- if (SCNO_IS_VALID(scno))
- return sysent[scno].sys_name;
- else {
- sprintf(buf, "syscall_%lu", scno);
- return buf;
- }
-}
const char *
err_name(unsigned long err)
static int get_syscall_args(struct tcb *);
static int get_syscall_result(struct tcb *);
static int arch_get_scno(struct tcb *tcp);
+static int arch_set_scno(struct tcb *, kernel_scno_t);
static void get_error(struct tcb *, const bool);
+static int arch_set_error(struct tcb *);
+
+struct fault_opts *fault_vec[SUPPORTED_PERSONALITIES];
+
+static struct fault_opts *
+tcb_fault_opts(struct tcb *tcp)
+{
+ return (scno_in_range(tcp->scno) && tcp->fault_vec[current_personality])
+ ? &tcp->fault_vec[current_personality][tcp->scno] : NULL;
+}
+
+
+static long
+inject_syscall_fault_entering(struct tcb *tcp)
+{
+ if (!tcp->fault_vec[current_personality]) {
+ tcp->fault_vec[current_personality] =
+ xcalloc(nsyscalls, sizeof(**fault_vec));
+ memcpy(tcp->fault_vec[current_personality],
+ fault_vec[current_personality],
+ nsyscalls * sizeof(**fault_vec));
+ }
+
+ struct fault_opts *opts = tcb_fault_opts(tcp);
+
+ if (!opts || opts->first == 0)
+ return 0;
+
+ --opts->first;
+
+ if (opts->first != 0)
+ return 0;
+
+ opts->first = opts->step;
+
+ if (!arch_set_scno(tcp, -1))
+ tcp->flags |= TCB_FAULT_INJ;
+
+ return 0;
+}
+
+static long
+update_syscall_fault_exiting(struct tcb *tcp)
+{
+ struct fault_opts *opts = tcb_fault_opts(tcp);
+
+ if (opts && opts->err && tcp->u_error != opts->err) {
+ unsigned long u_error = tcp->u_error;
+ tcp->u_error = opts->err;
+ if (arch_set_error(tcp))
+ tcp->u_error = u_error;
+ }
+
+ return 0;
+}
static int
trace_syscall_entering(struct tcb *tcp)
decode_mips_subcall(tcp);
#endif
- if ( SEN_execve == tcp->s_ent->sen
-# if defined(SPARC) || defined(SPARC64)
- || SEN_execv == tcp->s_ent->sen
-# endif
- ) {
- hide_log_until_execve = 0;
- }
-
#if defined(SYS_socket_subcall) || defined(SYS_ipc_subcall)
switch (tcp->s_ent->sen) {
# ifdef SYS_socket_subcall
}
#endif
+ /* Restrain from fault injection while the trace executes strace code. */
+ if (hide_log(tcp)) {
+ tcp->qual_flg &= ~QUAL_FAULT;
+ }
+
+ switch (tcp->s_ent->sen) {
+ case SEN_execve:
+ case SEN_execveat:
+#if defined SPARC || defined SPARC64
+ case SEN_execv:
+#endif
+ tcp->flags &= ~TCB_HIDE_LOG;
+ break;
+ }
+
if (!(tcp->qual_flg & QUAL_TRACE)
|| (tracing_paths && !pathtrace_match(tcp))
) {
tcp->flags &= ~TCB_FILTERED;
- if (cflag == CFLAG_ONLY_STATS || hide_log_until_execve) {
+ if (hide_log(tcp)) {
+ res = 0;
+ goto ret;
+ }
+
+ if (tcp->qual_flg & QUAL_FAULT)
+ inject_syscall_fault_entering(tcp);
+
+ if (cflag == CFLAG_ONLY_STATS) {
res = 0;
goto ret;
}
printleader(tcp);
tprintf("%s(", tcp->s_ent->sys_name);
- if ((tcp->qual_flg & QUAL_RAW) && SEN_exit != tcp->s_ent->sen)
+ if (tcp->qual_flg & QUAL_RAW)
res = printargs(tcp);
else
res = tcp->s_ent->sys_func(tcp);
return res;
}
+static bool
+syscall_fault_injected(struct tcb *tcp)
+{
+ return tcp->flags & TCB_FAULT_INJ;
+}
+
static int
trace_syscall_exiting(struct tcb *tcp)
{
update_personality(tcp, tcp->currpers);
#endif
res = (get_regs_error ? -1 : get_syscall_result(tcp));
- if (filtered(tcp) || hide_log_until_execve)
+ if (filtered(tcp) || hide_log(tcp))
goto ret;
+ if (syserror(tcp) && syscall_fault_injected(tcp))
+ update_syscall_fault_exiting(tcp);
+
if (cflag) {
count_syscall(tcp, &tv);
if (cflag == CFLAG_ONLY_STATS) {
tabto();
tprints("= ? <unavailable>\n");
line_ended();
- tcp->flags &= ~TCB_INSYSCALL;
+ tcp->flags &= ~(TCB_INSYSCALL | TCB_FAULT_INJ);
tcp->sys_func_rval = 0;
free_tcb_priv_data(tcp);
return res;
tprints(") ");
tabto();
u_error = tcp->u_error;
+
if (tcp->qual_flg & QUAL_RAW) {
- if (u_error)
+ if (u_error) {
tprintf("= -1 (errno %lu)", u_error);
- else
- tprintf("= %#lx", tcp->u_rval);
+ if (syscall_fault_injected(tcp))
+ tprints(" (INJECTED)");
+ } else {
+ tprintf("= %#" PRI_krx, tcp->u_rval);
+ }
}
else if (!(sys_res & RVAL_NONE) && u_error) {
switch (u_error) {
u_error, strerror(u_error));
break;
}
+ if (syscall_fault_injected(tcp))
+ tprintf(" (INJECTED)");
if ((sys_res & RVAL_STR) && tcp->auxstr)
tprintf(" (%s)", tcp->auxstr);
}
switch (sys_res & RVAL_MASK) {
case RVAL_HEX:
#if SUPPORTED_PERSONALITIES > 1
- if (current_wordsize < sizeof(long))
+ if (current_wordsize < sizeof(tcp->u_rval))
tprintf("= %#x",
(unsigned int) tcp->u_rval);
else
#endif
- tprintf("= %#lx", tcp->u_rval);
+ tprintf("= %#" PRI_krx, tcp->u_rval);
break;
case RVAL_OCTAL:
tprints("= ");
break;
case RVAL_UDECIMAL:
#if SUPPORTED_PERSONALITIES > 1
- if (current_wordsize < sizeof(long))
+ if (current_wordsize < sizeof(tcp->u_rval))
tprintf("= %u",
(unsigned int) tcp->u_rval);
else
#endif
- tprintf("= %lu", tcp->u_rval);
+ tprintf("= %" PRI_kru, tcp->u_rval);
break;
case RVAL_DECIMAL:
- tprintf("= %ld", tcp->u_rval);
+ tprintf("= %" PRI_krd, tcp->u_rval);
break;
case RVAL_FD:
if (show_fd_path) {
printfd(tcp, tcp->u_rval);
}
else
- tprintf("= %ld", tcp->u_rval);
+ tprintf("= %" PRI_krd, tcp->u_rval);
break;
#if HAVE_STRUCT_TCB_EXT_ARG
/*
#endif
ret:
- tcp->flags &= ~TCB_INSYSCALL;
+ tcp->flags &= ~(TCB_INSYSCALL | TCB_FAULT_INJ);
tcp->sys_func_rval = 0;
free_tcb_priv_data(tcp);
return 0;
tcp->u_error = saved_u_error;
}
-#include "kernel_types.h"
-
/*
* Check the syscall return value register value for whether it is
* a negated errno code indicating an error, or a success return value.
/* Linux kernel defines MAX_ERRNO to 4095. */
kernel_ulong_t max = -(kernel_long_t) 4095;
-#if defined X86_64 || defined X32
- /*
- * current_wordsize is 4 for x32 personality
- * but truncation _must not_ be done in it, so
- * check current_personality instead.
- */
- if (current_personality == 1) {
- val = (uint32_t) val;
- max = (uint32_t) max;
- }
-#elif SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
- if (current_wordsize < sizeof(val)) {
+#ifndef current_klongsize
+ if (current_klongsize < sizeof(val)) {
val = (uint32_t) val;
max = (uint32_t) max;
}
-#endif
+#endif /* !current_klongsize */
return val >= max;
}
#if defined ARCH_PC_REG
# define ARCH_GET_PC 0
#elif defined ARCH_PC_PEEK_ADDR
- long pc;
+ kernel_ureg_t pc;
# define ARCH_PC_REG pc
# define ARCH_GET_PC upeek(tcp->pid, ARCH_PC_PEEK_ADDR, &pc)
#else
tprints(current_wordsize == 4 ? "[????????] "
: "[????????????????] ");
else
- tprintf(current_wordsize == 4 ? "[%08lx] " : "[%016lx] ",
- (unsigned long) ARCH_PC_REG);
+ tprintf(current_wordsize == 4
+ ? "[%08" PRI_krx "] " : "[%016" PRI_krx "] ",
+ (kernel_ureg_t) ARCH_PC_REG);
}
#include "getregs_old.h"
#undef ptrace_getregset_or_getregs
+#undef ptrace_setregset_or_setregs
#ifdef ARCH_REGS_FOR_GETREGSET
# define ptrace_getregset_or_getregs ptrace_getregset
# endif
}
+# ifndef HAVE_GETREGS_OLD
+# define ptrace_setregset_or_setregs ptrace_setregset
+static int
+ptrace_setregset(pid_t pid)
+{
+# ifdef ARCH_IOVEC_FOR_GETREGSET
+ /* variable iovec */
+ return ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS,
+ &ARCH_IOVEC_FOR_GETREGSET);
+# else
+ /* constant iovec */
+ static struct iovec io = {
+ .iov_base = &ARCH_REGS_FOR_GETREGSET,
+ .iov_len = sizeof(ARCH_REGS_FOR_GETREGSET)
+ };
+ return ptrace(PTRACE_SETREGSET, pid, NT_PRSTATUS, &io);
+# endif
+}
+# endif /* !HAVE_GETREGS_OLD */
+
#elif defined ARCH_REGS_FOR_GETREGS
# define ptrace_getregset_or_getregs ptrace_getregs
# endif
}
+# ifndef HAVE_GETREGS_OLD
+# define ptrace_setregset_or_setregs ptrace_setregs
+static int
+ptrace_setregs(pid_t pid)
+{
+# if defined SPARC || defined SPARC64
+ /* SPARC systems have the meaning of data and addr reversed */
+ return ptrace(PTRACE_SETREGS, pid, (void *) &ARCH_REGS_FOR_GETREGS, 0);
+# else
+ return ptrace(PTRACE_SETREGS, pid, NULL, &ARCH_REGS_FOR_GETREGS);
+# endif
+}
+# endif /* !HAVE_GETREGS_OLD */
+
#endif /* ARCH_REGS_FOR_GETREGSET || ARCH_REGS_FOR_GETREGS */
void
#endif /* !ptrace_getregset_or_getregs */
}
+#ifdef ptrace_setregset_or_setregs
+static int
+set_regs(pid_t pid)
+{
+ return ptrace_setregset_or_setregs(pid);
+}
+#endif /* ptrace_setregset_or_setregs */
+
struct sysent_buf {
struct tcb *tcp;
struct_sysent ent;
- char buf[sizeof("syscall_%lu") + sizeof(long) * 3];
+ char buf[sizeof("syscall_%lu") + sizeof(kernel_scno_t) * 3];
};
static void
if (rc != 1)
return rc;
- if (SCNO_IS_VALID(tcp->scno)) {
+ if (scno_is_valid(tcp->scno)) {
tcp->s_ent = &sysent[tcp->scno];
- tcp->qual_flg = qual_flags[tcp->scno];
+ tcp->qual_flg = qual_flags(tcp->scno);
} else {
struct sysent_buf *s = xcalloc(1, sizeof(*s));
s->ent.sen = SEN_printargs;
s->ent.sys_func = printargs;
s->ent.sys_name = s->buf;
- sprintf(s->buf, "syscall_%lu", shuffle_scno(tcp->scno));
+ sprintf(s->buf, "syscall_%" PRI_kru, shuffle_scno(tcp->scno));
tcp->s_ent = &s->ent;
tcp->qual_flg = QUAL_RAW | DEFAULT_QUAL_FLAGS;
set_tcb_priv_data(tcp, s, free_sysent_buf);
if (debug_flag)
- error_msg("pid %d invalid syscall %ld", tcp->pid, tcp->scno);
+ error_msg("pid %d invalid syscall %" PRI_krd,
+ tcp->pid, tcp->scno);
}
return 1;
}
}
#include "get_scno.c"
+#include "set_scno.c"
#include "get_syscall_args.c"
#ifdef USE_GET_SYSCALL_RESULT_REGS
# include "get_syscall_result.c"
#endif
#include "get_error.c"
+#include "set_error.c"
#ifdef HAVE_GETREGS_OLD
# include "getregs_old.c"
#endif
+
+const char *
+syscall_name(kernel_scno_t scno)
+{
+#if defined X32_PERSONALITY_NUMBER && defined __X32_SYSCALL_BIT
+ if (current_personality == X32_PERSONALITY_NUMBER)
+ scno &= ~__X32_SYSCALL_BIT;
+#endif
+ return scno_is_valid(scno) ? sysent[scno].sys_name: NULL;
+}
projects / strace / blobdiff