X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=ginge.git;a=blobdiff_plain;f=loader%2Foverride.c;h=c5b0a09d982de4503481b263d26e14c6ba52a818;hp=5a722d932e0f65740b60f1a6e8da1abf8726915b;hb=d5a3e1bccc54036e8b659f22dc704fa257f5734d;hpb=c3831532675b527bd34ee92377b1b6d323345cb1

diff --git a/loader/override.c b/loader/override.c
index 5a722d9..c5b0a09 100644
--- a/loader/override.c
+++ b/loader/override.c
@@ -251,15 +251,20 @@ static UNUSED int w_execvp(const char *file, char *const argv[])
   return emu_do_execve(file, argv, environ);
 }
 
-// static note: this can't safely return because of the way it's patched in
-// static note2: can't be used, execve hangs?
-static UNUSED int w_execve(const char *filename, char *const argv[],
-                  char *const envp[])
+long w_execve_raw(const char *filename, char * const argv[],
+                  char * const envp[])
 {
   strace("execve(%s, %p, %p) = ?\n", filename, argv, envp);
   return emu_do_execve(filename, argv, envp);
 }
 
+static UNUSED int w_execve(const char *filename, char * const argv[],
+                           char * const envp[])
+{
+  long ret = w_execve_raw(filename, argv, envp);
+  return g_syscall_error(ret);
+}
+
 static int w_chdir(const char *path)
 {
   long ret;
@@ -277,6 +282,7 @@ static ssize_t w_readlink(const char *path, char *buf, size_t bufsiz)
 {
   long ret;
 
+#ifndef DL
   if (path != NULL && strncmp(path, "/proc/", 6) == 0
       && strcmp(strrchr(path, '/'), "/exe") == 0)
   {
@@ -285,6 +291,7 @@ static ssize_t w_readlink(const char *path, char *buf, size_t bufsiz)
       ret = bufsiz;
   }
   else
+#endif
     ret = g_readlink_raw(path, buf, bufsiz);
 
   strace("readlink(%s, %s, %zd) = %ld\n", path, buf, bufsiz, ret);
@@ -338,7 +345,7 @@ MAKE_WRAP_SYM_N(execlp);
 MAKE_WRAP_SYM_N(execle);
 MAKE_WRAP_SYM_N(execv);
 MAKE_WRAP_SYM_N(execvp);
-MAKE_WRAP_SYM(execve);
+MAKE_WRAP_SYM_N(execve);
 MAKE_WRAP_SYM_N(chdir);
 MAKE_WRAP_SYM_N(readlink);
 typeof(mmap) mmap2 __attribute__((alias("w_mmap")));
@@ -361,7 +368,7 @@ static const struct {
   REAL_FUNC_NP(tcsetattr),
   REAL_FUNC_NP(system),
   // exec* - skipped
-  REAL_FUNC_NP(execve),
+  //REAL_FUNC_NP(execve),
   //REAL_FUNC_NP(chdir),
 };
 
@@ -375,7 +382,7 @@ static const struct {
 #define tcgetattr p_real_tcgetattr
 #define tcsetattr p_real_tcsetattr
 #define system p_real_system
-#define execve p_real_execve
+//#define execve p_real_execve
 //#define chdir p_real_chdir
 
 #undef MAKE_WRAP_SYM
@@ -458,7 +465,8 @@ int real_system(const char *command)
 int real_execve(const char *filename, char *const argv[],
                   char *const envp[])
 {
-  return execve(filename, argv, envp);
+  long ret = g_execve_raw(filename, argv, envp);
+  return g_syscall_error(ret);
 }
 
 int real_chdir(const char *path)