diff options
Diffstat (limited to 'src/arch.c')
| -rw-r--r-- | src/arch.c | 18 |
1 files changed, 9 insertions, 9 deletions
@@ -330,6 +330,10 @@ int arch_syscall_translate(const struct arch_def *arch, int *syscall) int sc_num; const char *sc_name; + /* special handling for syscall -1 */ + if (*syscall == -1) + return 0; + if (arch->token != arch_def_native->token) { sc_name = arch_syscall_resolve_num(arch_def_native, *syscall); if (sc_name == NULL) @@ -360,10 +364,10 @@ int arch_syscall_rewrite(const struct arch_def *arch, int *syscall) { int sys = *syscall; - if (sys >= 0) { + if (sys >= -1) { /* we shouldn't be here - no rewrite needed */ return 0; - } else if (sys < 0 && sys > -100) { + } else if (sys < -1 && sys > -100) { /* reserved values */ return -EINVAL; } else if (sys <= -100 && sys > -10000) { @@ -404,10 +408,6 @@ int arch_filter_rule_add(struct db_filter_col *col, struct db_filter *db, int rc; struct db_api_rule_list *rule, *rule_tail; - /* ensure we aren't using any reserved syscall values */ - if (syscall < 0 && syscall > -100) - return -EINVAL; - /* translate the syscall */ rc = arch_syscall_translate(db->arch, &syscall); if (rc < 0) @@ -424,9 +424,9 @@ int arch_filter_rule_add(struct db_filter_col *col, struct db_filter *db, rule->next = NULL; /* add the new rule to the existing filter */ - if (db->arch->rule_add == NULL) { - /* negative syscalls require a db->arch->rule_add() function */ - if (syscall < 0 && strict) { + if (syscall == -1 || db->arch->rule_add == NULL) { + /* syscalls < -1 require a db->arch->rule_add() function */ + if (syscall < -1 && strict) { rc = -EDOM; goto rule_add_failure; } |