#include "php_psi_stdinc.h"
-#if __GNUC__ >= 5
-# pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
-#endif
-#include "php_psi_macros.h"
-#include "php_psi_redirs.h"
-#if __GNUC__ >= 5
-# pragma GCC diagnostic pop
-#endif
+#include "php_psi.h"
#include <dlfcn.h>
+#include <fnmatch.h>
#include "data.h"
-struct psi_decl *psi_decl_init(struct psi_decl_abi *abi,
- struct psi_decl_arg *func, struct psi_plist *args)
+#define PSI_FUNC_REDIRS
+#include "php_psi_posix.h"
+
+struct psi_decl *psi_decl_init(struct psi_decl_arg *func, struct psi_plist *args)
{
struct psi_decl *d = calloc(1, sizeof(*d));
- d->abi = abi;
+
d->func = func;
d->args = args;
+
return d;
}
if (d->args) {
psi_plist_free(d->args);
}
+ if (d->redir) {
+ free(d->redir);
+ }
free(d);
}
}
{
psi_decl_abi_dump(fd, decl->abi);
dprintf(fd, " ");
+ /* FIXME: functions returning arrays */
psi_decl_arg_dump(fd, decl->func, 0);
dprintf(fd, "(");
if (decl->args) {
dprintf(fd, ", ...");
}
}
- dprintf(fd, ");");
+ if (decl->redir) {
+ dprintf(fd, ") __asm__ (\"%s\");", decl->redir);
+ } else {
+ dprintf(fd, ");");
+ }
}
static inline bool psi_decl_validate_func(struct psi_data *data,
- struct psi_decl *decl, struct psi_decl_arg *func, void *dl)
+ struct psi_decl *decl, struct psi_decl_arg *func)
{
struct psi_func_redir *redir;
- if (!strcmp(func->var->name, "dlsym")) {
- data->error(data, func->token, PSI_WARNING,
- "Cannot dlsym dlsym (sic!)");
+ if (!func->var->name) {
+ data->error(data, func->token, PSI_WARNING, "Cannot load anonymous decl");
return false;
}
decl->sym = redir->func;
}
}
+ if (!decl->sym) {
+ size_t i = 0;
+ void *dl;
+
+ while (!decl->sym && psi_plist_get(data->file.dlopened, i++, &dl)) {
+ decl->sym = dlsym(dl, decl->redir ?: func->var->name);
+ }
+ }
if (!decl->sym) {
#ifndef RTLD_NEXT
# define RTLD_NEXT ((void *) -1l)
#endif
- decl->sym = dlsym(dl ?: RTLD_NEXT, func->var->name);
+#ifndef RTLD_DEFAULT
+# define RTLD_DEFAULT ((void *) 0)
+#endif
+ decl->sym = dlsym(RTLD_DEFAULT, decl->redir ?: func->var->name);
if (!decl->sym) {
data->error(data, func->token, PSI_WARNING,
- "Failed to locate symbol '%s': %s", func->var->name,
+ "Failed to locate symbol '%s(%s)': %s",
+ func->var->name, decl->redir ?: "",
dlerror() ?: "not found");
return false;
}
return true;
}
-bool psi_decl_validate(struct psi_data *data, struct psi_decl *decl, void *dl)
+bool psi_decl_validate(struct psi_data *data, struct psi_decl *decl,
+ struct psi_validate_scope *scope)
{
- if (!psi_decl_validate_nodl(data, decl)) {
+ if (!psi_decl_validate_nodl(data, decl, scope)) {
return false;
}
- if (!psi_decl_validate_func(data, decl, decl->func, dl)) {
+ if (!psi_decl_validate_func(data, decl, decl->func)) {
return false;
}
return true;
}
-bool psi_decl_validate_nodl(struct psi_data *data, struct psi_decl *decl)
+bool psi_decl_validate_nodl(struct psi_data *data, struct psi_decl *decl,
+ struct psi_validate_scope *scope)
{
- if (!psi_decl_abi_validate(data, decl->abi)) {
+ if (!decl->abi) {
+ decl->abi = psi_decl_abi_init("default");
+ } else if (!psi_decl_abi_validate(data, decl->abi)) {
data->error(data, decl->abi->token, PSI_WARNING,
"Invalid calling convention: '%s'", decl->abi->token->text);
return false;
}
- if (!psi_decl_arg_validate(data, decl->func)) {
+ if (!psi_decl_arg_validate(data, decl->func, scope)) {
return false;
}
if (decl->args) {
struct psi_decl_arg *arg;
while (psi_plist_get(decl->args, i++, &arg)) {
- if (!psi_decl_arg_validate(data, arg)) {
+ if (!arg->var->name) {
+ arg->var->name = malloc(7);
+ snprintf(arg->var->name, 6, "arg%zu", i);
+ arg->var->fqn = strdup(arg->var->name);
+ }
+ if (!psi_decl_arg_validate(data, arg, scope)) {
return false;
}
}
return true;
}
+
+bool psi_decl_is_blacklisted(const char *name)
+{
+ char *blacklisted;
+ size_t i = 0;
+
+ while (psi_plist_get(PSI_G(blacklist).decls, i++, &blacklisted)) {
+ if (!fnmatch(blacklisted, name, 0)) {
+ return true;
+ }
+ }
+ return false;
+}
+
+struct psi_decl_arg *psi_decl_get_arg(struct psi_decl *decl, struct psi_decl_var *var) {
+ if (var->arg) {
+ size_t i = 0;
+ struct psi_decl_arg *arg = decl->func;
+
+ do {
+ if (var->arg == arg) {
+ return arg;
+ }
+ } while (psi_plist_get(decl->args, i++, &arg));
+ }
+
+ return psi_decl_arg_get_by_var(var, decl->args, decl->func);
+}
+