X-Git-Url: https://git.tld-linux.org/?a=blobdiff_plain;f=qemu-user-execve.patch;h=4faf7359d475e817c9d654cd2862ad58c1c07e85;hb=7036d3f1c5e0fab5ea489ea00ba5b2e309e74a52;hp=e567b84438bb664827b49db511b72a216b4d72e0;hpb=3c35e694ddbb18c29d44a8288b3ab3f2804380ae;p=packages%2Fqemu.git

diff --git a/qemu-user-execve.patch b/qemu-user-execve.patch
index e567b84..4faf735 100644
--- a/qemu-user-execve.patch
+++ b/qemu-user-execve.patch
@@ -45,20 +45,19 @@ Reviewed-by: Laurent Vivier <laurent@vivier.eu>
 v3 changes:
 	- rebase the patchset against current code
 
-diff --git a/linux-user/main.c b/linux-user/main.c
-index ee12035..5951279 100644
---- a/linux-user/main.c
-+++ b/linux-user/main.c
-@@ -79,6 +79,7 @@ static void usage(int exitcode);
+diff -urNpa qemu-7.2.0.orig/linux-user/main.c qemu-7.2.0/linux-user/main.c
+--- qemu-7.2.0.orig/linux-user/main.c	2023-02-08 21:23:07.149156085 +0100
++++ qemu-7.2.0/linux-user/main.c	2023-02-08 21:23:36.695149312 +0100
+@@ -123,6 +123,7 @@ static void usage(int exitcode);
  
  static const char *interp_prefix = CONFIG_QEMU_INTERP_PREFIX;
  const char *qemu_uname_release;
 +const char *qemu_execve_path;
  
+ #if !defined(TARGET_DEFAULT_STACK_SIZE)
  /* XXX: on x86 MAP_GROWSDOWN only works if ESP <= address + 32, so
-    we allocate a bigger stack. Need a better solution, for example
-@@ -3828,6 +3829,11 @@ static void handle_arg_guest_base(const char *arg)
-     have_guest_base = 1;
+@@ -362,6 +363,11 @@ static void handle_arg_guest_base(const
+     have_guest_base = true;
  }
  
 +static void handle_arg_execve(const char *arg)
@@ -69,7 +68,7 @@ index ee12035..5951279 100644
  static void handle_arg_reserved_va(const char *arg)
  {
      char *p;
-@@ -3913,6 +3919,8 @@ static const struct qemu_argument arg_table[] = {
+@@ -464,6 +470,8 @@ static const struct qemu_argument arg_ta
       "uname",      "set qemu uname release string to 'uname'"},
      {"B",          "QEMU_GUEST_BASE",  true,  handle_arg_guest_base,
       "address",    "set guest_base address to 'address'"},
@@ -78,21 +77,10 @@ index ee12035..5951279 100644
      {"R",          "QEMU_RESERVED_VA", true,  handle_arg_reserved_va,
       "size",       "reserve 'size' bytes for guest virtual address space"},
      {"d",          "QEMU_LOG",         true,  handle_arg_log,
-diff --git a/linux-user/qemu.h b/linux-user/qemu.h
-index bd90cc3..0d9b058 100644
---- a/linux-user/qemu.h
-+++ b/linux-user/qemu.h
-@@ -140,6 +140,7 @@ void init_task_state(TaskState *ts);
- void task_settid(TaskState *);
- void stop_all_tasks(void);
- extern const char *qemu_uname_release;
-+extern const char *qemu_execve_path;
- extern unsigned long mmap_min_addr;
- 
- /* ??? See if we can avoid exposing so much of the loader internals.  */
---- qemu-2.12.0/linux-user/syscall.c~	2018-04-30 21:43:39.000000000 +0300
-+++ qemu-2.12.0/linux-user/syscall.c	2018-04-30 21:46:36.362935706 +0300
-@@ -5854,6 +5854,109 @@ static target_timer_t get_timer_id(abi_long arg)
+diff -urNpa qemu-7.2.0.orig/linux-user/syscall.c qemu-7.2.0/linux-user/syscall.c
+--- qemu-7.2.0.orig/linux-user/syscall.c	2023-02-08 21:23:07.150156084 +0100
++++ qemu-7.2.0/linux-user/syscall.c	2023-02-08 21:28:50.327077355 +0100
+@@ -8378,6 +8378,109 @@ static target_timer_t get_timer_id(abi_l
      return timerid;
  }
  
@@ -199,20 +187,37 @@ index bd90cc3..0d9b058 100644
 +    return get_errno(safe_execve(qemu_execve_path, new_argp, envp));
 +}
 +
- /* do_syscall() should always have a single exit point at the end so
-    that actions, such as logging of syscall results, can be performed.
-    All errnos that do_syscall() returns must be -TARGET_<errcode>. */
-@@ -8257,7 +8257,12 @@
-              * before the execve completes and makes it the other
+ static int target_to_host_cpu_mask(unsigned long *host_mask,
+                                    size_t host_size,
+                                    abi_ulong target_addr,
+@@ -8933,9 +9036,17 @@ static abi_long do_syscall1(CPUArchState
               * program's problem.
               */
--            ret = get_errno(safe_execve(p, argp, envp));
-+            if (qemu_execve_path && *qemu_execve_path) {
-+                ret = get_errno(qemu_execve(p, argp, envp));
-+            } else {
-+                ret = get_errno(safe_execve(p, argp, envp));
-+            }
-+
+             if (is_proc_myself(p, "exe")) {
+-                ret = get_errno(safe_execve(exec_path, argp, envp));
++                if (qemu_execve_path && *qemu_execve_path) {
++                    ret = get_errno(qemu_execve(exec_path, argp, envp));
++                } else {
++                    ret = get_errno(safe_execve(exec_path, argp, envp));
++                }
+             } else {
+-                ret = get_errno(safe_execve(p, argp, envp));
++                if (qemu_execve_path && *qemu_execve_path) {
++                    ret = get_errno(qemu_execve(p, argp, envp));
++                } else {
++                    ret = get_errno(safe_execve(p, argp, envp));
++                }
+             }
              unlock_user(p, arg1, 0);
  
-             goto execve_end;
+diff -urNpa qemu-7.2.0.orig/linux-user/user-internals.h qemu-7.2.0/linux-user/user-internals.h
+--- qemu-7.2.0.orig/linux-user/user-internals.h	2023-02-08 21:23:07.148156085 +0100
++++ qemu-7.2.0/linux-user/user-internals.h	2023-02-08 21:23:36.697149312 +0100
+@@ -27,6 +27,7 @@ void init_task_state(TaskState *ts);
+ void task_settid(TaskState *);
+ void stop_all_tasks(void);
+ extern const char *qemu_uname_release;
++extern const char *qemu_execve_path;
+ extern unsigned long mmap_min_addr;
+ 
+ typedef struct IOCTLEntry IOCTLEntry;