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[patch, simulator] Fix sim_command_completer arguments.


My build of gdb and sim have recently started failing with:

/local/home/sellcey/nightly2/src/gdb/gdb/remote-sim.c: In function '_initialize_remote_sim':
/local/home/sellcey/nightly2/src/gdb/gdb/remote-sim.c:1323: error: passing argument 2 of 'set_cmd_completer' from incompatible pointer type
/local/home/sellcey/nightly2/src/gdb/gdb/command.h:161: note: expected 'struct VEC_char_ptr * (*)(struct cmd_list_element *, const char *, const char *)' but argument is of type 'struct VEC_char_ptr * (*)(struct cmd_list_element *, char *, char *)'

I didn't see any change in gdb/sim that might be causing this but I am
building with the latest (ToT) GCC and I think a change there might have
caused GCC to start catching this discrepency in argument types.  I would
like to fix it by adding the 'const' modifier to the sim_command_completer
text and word arguments so that its argument types match filename_completer,
expression_completer, etc.

Tested by building gdb and sim on mips-mti-elf.  I didn't test all the
platforms that I modified but unless I made a typo there shouldn't be any
problems.

OK to checkin?

Steve Ellcey
sellcey@mips.com


gdb directory ChangeLog:

2013-03-15  Steve Ellcey  <sellcey@mips.com>

	* remote-sim.c (sim_command_completer): Make char arguments const.


include directory ChangeLog:

2013-03-15  Steve Ellcey  <sellcey@mips.com>

	* remote-sim.c (sim_command_completer): Make char arguments const.


sim directory ChangeLog:

2013-03-15  Steve Ellcey  <sellcey@mips.com>

	* arm/wrapper.c (sim_complete_command): Make char arguments const.
	* avr/interp.c (sim_complete_command): Ditto.
	* common/sim-options.c (sim_complete_command): Ditto.
	* cr16/interp.c (sim_complete_command): Ditto.
	* erc32/interf.c (sim_complete_command): Ditto.
	* m32c/gdb-if.c (sim_complete_command): Ditto.
	* microblaze/interp.c (sim_complete_command): Ditto.
	* ppc/sim_calls.c (sim_complete_command): Ditto.
	* rl78/gdb-if.c (sim_complete_command): Ditto.
	* rx/gdb-if.c (sim_complete_command): Ditto.
	* sh/interp.c (sim_complete_command): Ditto.


Diffs for all three directories:


diff --git a/gdb/remote-sim.c b/gdb/remote-sim.c
index 860eaf3..a578bbc 100644
--- a/gdb/remote-sim.c
+++ b/gdb/remote-sim.c
@@ -1196,7 +1196,8 @@ simulator_command (char *args, int from_tty)
 }
 
 static VEC (char_ptr) *
-sim_command_completer (struct cmd_list_element *ignore, char *text, char *word)
+sim_command_completer (struct cmd_list_element *ignore, const char *text,
+		       const char *word)
 {
   struct sim_inferior_data *sim_data;
   char **tmp;
diff --git a/include/gdb/remote-sim.h b/include/gdb/remote-sim.h
index 43c22eb..113030c 100644
--- a/include/gdb/remote-sim.h
+++ b/include/gdb/remote-sim.h
@@ -278,7 +278,7 @@ void sim_do_command (SIM_DESC sd, char *cmd);
 /* Complete a command based on the available sim commands.  Returns an
    array of possible matches.  */
 
-char **sim_complete_command (SIM_DESC sd, char *text, char *word);
+char **sim_complete_command (SIM_DESC sd, const char *text, const char *word);
 
 #ifdef __cplusplus
 }
diff --git a/sim/arm/wrapper.c b/sim/arm/wrapper.c
index 7f794a3..a4b7683 100644
--- a/sim/arm/wrapper.c
+++ b/sim/arm/wrapper.c
@@ -945,7 +945,7 @@ sim_set_callbacks (ptr)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/avr/interp.c b/sim/avr/interp.c
index a5212e7..23fc8dc 100644
--- a/sim/avr/interp.c
+++ b/sim/avr/interp.c
@@ -1855,7 +1855,7 @@ sim_set_callbacks (host_callback *ptr)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/common/sim-options.c b/sim/common/sim-options.c
index 73f84fb..fdc05a4 100644
--- a/sim/common/sim-options.c
+++ b/sim/common/sim-options.c
@@ -950,7 +950,7 @@ complete_option_list (char **ret, size_t *cnt, const struct option_list *ol,
    completed is stored in @word.  Trailing text of @word is not.  */
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   char **ret = NULL;
   size_t cnt = 1;
diff --git a/sim/cr16/interp.c b/sim/cr16/interp.c
index 2caffc2..3af58f6 100644
--- a/sim/cr16/interp.c
+++ b/sim/cr16/interp.c
@@ -1553,7 +1553,7 @@ sim_store_register (sd, rn, memory, length)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/erc32/interf.c b/sim/erc32/interf.c
index 1ec02be..e2db44e 100644
--- a/sim/erc32/interf.c
+++ b/sim/erc32/interf.c
@@ -485,7 +485,7 @@ sim_do_command(sd, cmd)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/m32c/gdb-if.c b/sim/m32c/gdb-if.c
index d02d24e..83e9f1e 100644
--- a/sim/m32c/gdb-if.c
+++ b/sim/m32c/gdb-if.c
@@ -704,7 +704,7 @@ sim_do_command (SIM_DESC sd, char *cmd)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/microblaze/interp.c b/sim/microblaze/interp.c
index d09327d..72a4593 100644
--- a/sim/microblaze/interp.c
+++ b/sim/microblaze/interp.c
@@ -1090,7 +1090,7 @@ sim_set_callbacks (host_callback *ptr)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/ppc/sim_calls.c b/sim/ppc/sim_calls.c
index a4ceb3f..a3ebba0 100644
--- a/sim/ppc/sim_calls.c
+++ b/sim/ppc/sim_calls.c
@@ -259,7 +259,7 @@ sim_do_command (SIM_DESC sd, char *cmd)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/rl78/gdb-if.c b/sim/rl78/gdb-if.c
index 0c131a1..04d4f0e 100644
--- a/sim/rl78/gdb-if.c
+++ b/sim/rl78/gdb-if.c
@@ -567,7 +567,7 @@ sim_do_command (SIM_DESC sd, char *cmd)
 /* Stub for command completion.  */
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
     return NULL;
 }
diff --git a/sim/rx/gdb-if.c b/sim/rx/gdb-if.c
index 248fdca..2e41b09 100644
--- a/sim/rx/gdb-if.c
+++ b/sim/rx/gdb-if.c
@@ -864,7 +864,7 @@ sim_do_command (SIM_DESC sd, char *cmd)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }
diff --git a/sim/sh/interp.c b/sim/sh/interp.c
index e9313c7..4b2ca7e 100644
--- a/sim/sh/interp.c
+++ b/sim/sh/interp.c
@@ -2789,7 +2789,7 @@ sim_set_callbacks (p)
 }
 
 char **
-sim_complete_command (SIM_DESC sd, char *text, char *word)
+sim_complete_command (SIM_DESC sd, const char *text, const char *word)
 {
   return NULL;
 }


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