diff options
Diffstat (limited to 'tapset/aux_syscalls.stp')
| -rw-r--r-- | tapset/aux_syscalls.stp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/tapset/aux_syscalls.stp b/tapset/aux_syscalls.stp index d1a504de..8f9fcb73 100644 --- a/tapset/aux_syscalls.stp +++ b/tapset/aux_syscalls.stp @@ -650,6 +650,64 @@ function __get_argv:string(a:long) } *str = 0; %} +/* This function copies an argv from userspace. */ +function __get_compat_argv:string(a:long) +%{ /* pure */ + compat_uptr_t __user *__user *argv = (compat_uptr_t __user *__user *)(long)THIS->a; + compat_uptr_t __user *vstr; + int space, rc, len = MAXSTRINGLEN; + char *str = THIS->__retvalue; + char buf[80]; + char *ptr = buf; + + if (argv) + argv++; + + while (argv != NULL) { + if (get_user (vstr, argv)) + break; + + if (vstr == NULL) + break; + + rc = _stp_strncpy_from_user(buf, vstr, 79); + if (rc <= 0) + break; + + /* check for whitespace in string */ + buf[rc] = 0; + ptr = buf; + space = 0; + while (*ptr && rc--) { + if (isspace(*ptr++)) { + space = 1; + break; + } + } + + if (len != MAXSTRINGLEN && len) { + *str++=' '; + len--; + } + + if (space && len) { + *str++='\"'; + len--; + } + + rc = strlcpy (str, buf, len); + str += rc; + len -= rc; + + if (space && len) { + *str++='\"'; + len--; + } + + argv++; + } + *str = 0; +%} /* * Return a integer member value of struct @@ -1562,3 +1620,10 @@ function __int32:long(val:long) %{ /* pure */ THIS->__retvalue = (int32_t)THIS->val; %} +function _shmat_flags_str(f) { + if(f & 010000) bs="SHM_RDONLY|".bs + if(f & 020000) bs="SHM_RND|".bs + if(f & 040000) bs="SHM_REMAP|".bs + if(f & 0100000) bs="SHM_EXEC|".bs + return substr(bs,0,strlen(bs)-1) +} |