bsd-user: pass the bsd_param into loader_exec

Pass the bsd_param into loader_exec, and adjust. We use it to track the
inital stack allocation and to set stack, open files, and other state
shared between bsdload.c and elfload.c

Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

1 files changed, 19 insertions, 18 deletions

diff --git a/bsd-user/bsdload.c b/bsd-user/bsdload.c
index ec71c5e923..5282a7c4f2 100644
--- a/bsd-user/bsdload.c
+++ b/bsd-user/bsdload.c
@@ -140,35 +140,36 @@ abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
 }
 
 int loader_exec(const char *filename, char **argv, char **envp,
-                struct target_pt_regs *regs, struct image_info *infop)
+                struct target_pt_regs *regs, struct image_info *infop,
+                struct bsd_binprm *bprm)
 {
-    struct bsd_binprm bprm;
     int retval;
     int i;
 
-    bprm.p = TARGET_PAGE_SIZE * MAX_ARG_PAGES - sizeof(unsigned int);
-    for (i = 0 ; i < MAX_ARG_PAGES ; i++) {     /* clear page-table */
-        bprm.page[i] = NULL;
+    bprm->p = TARGET_PAGE_SIZE * MAX_ARG_PAGES - sizeof(unsigned int);
+    for (i = 0; i < MAX_ARG_PAGES; i++) {       /* clear page-table */
+        bprm->page[i] = NULL;
     }
     retval = open(filename, O_RDONLY);
     if (retval < 0) {
         return retval;
     }
-    bprm.fd = retval;
-    bprm.filename = (char *)filename;
-    bprm.argc = count(argv);
-    bprm.argv = argv;
-    bprm.envc = count(envp);
-    bprm.envp = envp;
 
-    retval = prepare_binprm(&bprm);
+    bprm->fd = retval;
+    bprm->filename = (char *)filename;
+    bprm->argc = count(argv);
+    bprm->argv = argv;
+    bprm->envc = count(envp);
+    bprm->envp = envp;
+
+    retval = prepare_binprm(bprm);
 
     if (retval >= 0) {
-        if (bprm.buf[0] == 0x7f
-                && bprm.buf[1] == 'E'
-                && bprm.buf[2] == 'L'
-                && bprm.buf[3] == 'F') {
-            retval = load_elf_binary(&bprm, regs, infop);
+        if (bprm->buf[0] == 0x7f
+                && bprm->buf[1] == 'E'
+                && bprm->buf[2] == 'L'
+                && bprm->buf[3] == 'F') {
+            retval = load_elf_binary(bprm, regs, infop);
         } else {
             fprintf(stderr, "Unknown binary format\n");
             return -1;
@@ -183,7 +184,7 @@ int loader_exec(const char *filename, char **argv, char **envp,
 
     /* Something went wrong, return the inode and free the argument pages*/
     for (i = 0 ; i < MAX_ARG_PAGES ; i++) {
-        g_free(bprm.page[i]);
+        g_free(bprm->page[i]);
     }
     return retval;
 }