Improve /proc/self/exe substitution on Android

* exec/configure.ac (USER_SWORD): New macro.

* exec/exec.c (format_pid): Export this function.

* exec/exec.h:

* exec/trace.c (canon_path): New function.
(handle_readlinkat, handle_openat): Test complete file name
against /proc/self/exe, and further check for /proc/pid/exe.

1 files changed, 1 insertions, 0 deletions

diff --git a/exec/exec.h b/exec/exec.h
index ad1b50276c8..3ce06c35311 100644
--- a/exec/exec.h
+++ b/exec/exec.h
@@ -180,6 +180,7 @@ extern int aarch64_set_regs (pid_t, USER_REGS_STRUCT *, bool);
 
 
 
+extern char *format_pid (char *, unsigned int);
 extern USER_WORD user_alloca (struct exec_tracee *, USER_REGS_STRUCT *,
                               USER_REGS_STRUCT *, USER_WORD);
 extern int user_copy (struct exec_tracee *, const unsigned char *,