diff options
Diffstat (limited to 'usr.bin/truss/syscalls.c')
| -rw-r--r-- | usr.bin/truss/syscalls.c | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/usr.bin/truss/syscalls.c b/usr.bin/truss/syscalls.c index 0c1e62e..74b7991 100644 --- a/usr.bin/truss/syscalls.c +++ b/usr.bin/truss/syscalls.c @@ -39,6 +39,7 @@ static const char rcsid[] = * arguments. */ +#include <sys/mman.h> #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> @@ -48,6 +49,7 @@ static const char rcsid[] = #include <ctype.h> #include <err.h> +#include <fcntl.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> @@ -64,12 +66,14 @@ static const char rcsid[] = */ struct syscall syscalls[] = { + { "fcntl", 1, 3, + { { Int, 0 } , { Fcntl, 1 }, { Hex, 2 }}}, { "readlink", 1, 3, { { String, 0 } , { String | OUT, 1 }, { Int, 2 }}}, { "lseek", 2, 3, { { Int, 0 }, {Quad, 2 }, { Int, 4 }}}, { "mmap", 2, 6, - { { Hex, 0 }, {Int, 1}, {Hex, 2}, {Hex, 3}, {Int, 4}, {Quad, 6}}}, + { { Ptr, 0 }, {Int, 1}, {Mprot, 2}, {Mmapflags, 3}, {Int, 4}, {Quad, 6}}}, { "open", 1, 3, { { String | IN, 0} , { Hex, 1}, {Octal, 2}}}, { "linux_open", 1, 3, @@ -243,6 +247,18 @@ make_quad(unsigned long p1, unsigned long p2) { return t.ll; } +/* + * Remove a trailing '|' in a string, useful for fixup after decoding + * a "flags" argument. + */ + +void +remove_trailing_or(char *str) +{ + + if (str != NULL && (str = rindex(str, '|')) != NULL && str[1] == '\0') + *str = '\0'; +} /* * print_arg @@ -345,6 +361,52 @@ print_arg(int fd, struct syscall_args *sc, unsigned long *args) { asprintf(&tmp, "%ld", sig); } break; + case Fcntl: + { + switch (args[sc->offset]) { +#define S(a) case a: tmp = strdup(#a); break; + S(F_DUPFD); + S(F_GETFD); + S(F_SETFD); + S(F_GETFL); + S(F_SETFL); + S(F_GETOWN); + S(F_SETOWN); + S(F_GETLK); + S(F_SETLK); + S(F_SETLKW); +#undef S + } + if (tmp == NULL) + asprintf(&tmp, "0x%lx", args[sc->offset]); + } + break; + + case Mprot: + { + +#define S(a) ((args[sc->offset] & a) ? #a "|" : "") + asprintf(&tmp, "(0x%lx)%s%s%s%s", args[sc->offset], + S(PROT_NONE), S(PROT_READ), S(PROT_WRITE), S(PROT_EXEC)); +#undef S + remove_trailing_or(tmp); + + } + break; + + case Mmapflags: + { +#define S(a) ((args[sc->offset] & a) ? #a "|" : "") + asprintf(&tmp, "(0x%lx)%s%s%s%s%s%s%s%s", args[sc->offset], + S(MAP_ANON), S(MAP_FIXED), S(MAP_HASSEMAPHORE), + S(MAP_NOCORE), S(MAP_NOSYNC), S(MAP_PRIVATE), + S(MAP_SHARED), S(MAP_STACK)); +#undef S + + remove_trailing_or(tmp); + } + break; + case Sockaddr: { struct sockaddr_storage ss; |
