Preserve selected thread in all-stop w/ background execution

[deliverable/binutils-gdb.git] / sim / common / syscall.c

diff --git a/sim/common/syscall.c b/sim/common/syscall.c
index fd5b82ab9873c3e083d5e0118aa45a5dd2bf56fa..18128c74930c7a3ad9256fedb33ce0ea982ea60e 100644 (file)
--- a/sim/common/syscall.c
+++ b/sim/common/syscall.c
@@ -1,6 +1,5 @@
 /* Remote target system call support.
-   Copyright 1997, 1998, 2002, 2004, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright 1997-2020 Free Software Foundation, Inc.
    Contributed by Cygnus Solutions.
 
    This file is part of GDB.
@@ -25,7 +24,7 @@
    supported.  */
 
 #ifdef HAVE_CONFIG_H
-#include "cconfig.h"
+#include "config.h"
 #endif
 #include "ansidecl.h"
 #include "libiberty.h"
@@ -76,13 +75,9 @@ char *simulator_sysroot = "";
 /* Utility of cb_syscall to fetch a path name or other string from the target.
    The result is 0 for success or a host errno value.  */
 
-static int
-get_string (cb, sc, buf, buflen, addr)
-     host_callback *cb;
-     CB_SYSCALL *sc;
-     char *buf;
-     int buflen;
-     TADDR addr;
+int
+cb_get_string (host_callback *cb, CB_SYSCALL *sc, char *buf, int buflen,
+              TADDR addr)
 {
   char *p, *pend;
 
@@ -111,17 +106,13 @@ get_string (cb, sc, buf, buflen, addr)
    If an error occurs, no buffer is left malloc'd.  */
 
 static int
-get_path (cb, sc, addr, bufp)
-     host_callback *cb;
-     CB_SYSCALL *sc;
-     TADDR addr;
-     char **bufp;
+get_path (host_callback *cb, CB_SYSCALL *sc, TADDR addr, char **bufp)
 {
   char *buf = xmalloc (MAX_PATH_LEN);
   int result;
   int sysroot_len = strlen (simulator_sysroot);
 
-  result = get_string (cb, sc, buf, MAX_PATH_LEN - sysroot_len, addr);
+  result = cb_get_string (cb, sc, buf, MAX_PATH_LEN - sysroot_len, addr);
   if (result == 0)
     {
       /* Prepend absolute paths with simulator_sysroot.  Relative paths
@@ -148,9 +139,7 @@ get_path (cb, sc, addr, bufp)
 /* Perform a system call on behalf of the target.  */
 
 CB_RC
-cb_syscall (cb, sc)
-     host_callback *cb;
-     CB_SYSCALL *sc;
+cb_syscall (host_callback *cb, CB_SYSCALL *sc)
 {
   TWORD result = 0, errcode = 0;
 
@@ -251,7 +240,7 @@ cb_syscall (cb, sc)
 #endif /* wip */
 
     case CB_SYS_exit :
-      /* Caller must catch and handle.  */
+      /* Caller must catch and handle; see sim_syscall as an example.  */
       break;
 
     case CB_SYS_open :
@@ -345,12 +334,12 @@ cb_syscall (cb, sc)
                errcode = EINVAL;
                goto FinishSyscall;
              }
-           if (cb_is_stdout(cb, fd))
+           if (cb_is_stdout (cb, fd))
              {
                result = (int) (*cb->write_stdout) (cb, buf, bytes_read);
                (*cb->flush_stdout) (cb);
              }
-           else if (cb_is_stderr(cb, fd))
+           else if (cb_is_stderr (cb, fd))
              {
                result = (int) (*cb->write_stderr) (cb, buf, bytes_read);
                (*cb->flush_stderr) (cb);
@@ -466,7 +455,7 @@ cb_syscall (cb, sc)
            result = -1;
            goto FinishSyscall;
          }
-       result = (*cb->stat) (cb, path, &statbuf);
+       result = (*cb->to_stat) (cb, path, &statbuf);
        free (path);
        if (result < 0)
          goto ErrorFinish;
@@ -499,7 +488,7 @@ cb_syscall (cb, sc)
        struct stat statbuf;
        TADDR addr = sc->arg2;
 
-       result = (*cb->fstat) (cb, sc->arg1, &statbuf);
+       result = (*cb->to_fstat) (cb, sc->arg1, &statbuf);
        if (result < 0)
          goto ErrorFinish;
        buflen = cb_host_to_target_stat (cb, NULL, NULL);
@@ -537,7 +526,7 @@ cb_syscall (cb, sc)
            result = -1;
            goto FinishSyscall;
          }
-       result = (*cb->lstat) (cb, path, &statbuf);
+       result = (*cb->to_lstat) (cb, path, &statbuf);
        free (path);
        if (result < 0)
          goto ErrorFinish;