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Make host_address_to_string/gdb_print_host_address cast parameter to 'void *'

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Fixes a set of errors like:

 ../../src/gdb/symfile-debug.c: In function ‘int debug_qf_map_symtabs_matching_filename(objfile*, const char*, const char*, int (*)(symtab*, void*), void*)’:
 ../../src/gdb/symfile-debug.c:137:39: error: invalid conversion from ‘int (*)(symtab*, void*)’ to ‘const void*’ [-fpermissive]
	host_address_to_string (callback),
					^

Note this has to work with data and function pointers.  In C++11 we
may perhaps do something a bit safer, but we're not there yet, and I
don't think it really matters.  For now just always do a simple
C-style cast in host_address_to_string itself.  No point in adding a
void * cast to each and every caller.

gdb/ChangeLog:
2015-10-27  Pedro Alves  <palves@redhat.com>

	* common/print-utils.c (host_address_to_string): Rename to ...
	(host_address_to_string_1): ... this.
	* common/print-utils.h (host_address_to_string): Reimplement as
	wrapper around host_address_to_string_1.
	* utils.c (gdb_print_host_address): Rename to ...
	(gdb_print_host_address_1): ... this.
	* utils.h (gdb_print_host_address): Reimplement as wrapper macro
	around	host_address_to_string_1.
This commit is contained in:
Pedro Alves 2015-10-27 17:25:09 +00:00
parent d09f2c3fc1
commit b80c305316
5 changed files with 23 additions and 4 deletions
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11
gdb/ChangeLog
View File

@ -1,3 +1,14 @@
2015-10-27 Pedro Alves <palves@redhat.com>
* common/print-utils.c (host_address_to_string): Rename to ...
(host_address_to_string_1): ... this.
* common/print-utils.h (host_address_to_string): Reimplement as
wrapper around host_address_to_string_1.
* utils.c (gdb_print_host_address): Rename to ...
(gdb_print_host_address_1): ... this.
* utils.h (gdb_print_host_address): Reimplement as wrapper macro
around host_address_to_string_1.
2015-10-27 Pedro Alves <palves@redhat.com>
* alpha-tdep.c (alpha_read_insn): Always pass TARGET_XFER_E_IO to

2
gdb/common/print-utils.c
View File

@ -316,7 +316,7 @@ core_addr_to_string_nz (const CORE_ADDR addr)
/* See print-utils.h. */
const char *
host_address_to_string (const void *addr)
host_address_to_string_1 (const void *addr)
{
char *str = get_cell ();

6
gdb/common/print-utils.h
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@ -65,6 +65,10 @@ extern const char *core_addr_to_string (const CORE_ADDR addr);
extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
extern const char *host_address_to_string (const void *addr);
extern const char *host_address_to_string_1 (const void *addr);
/* Wrapper that avoids adding a pointless cast to all callers. */
#define host_address_to_string(ADDR) \
host_address_to_string_1 ((const void *) (ADDR))
#endif /* COMMON_CELLS_H */

2
gdb/utils.c
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@ -1104,7 +1104,7 @@ print_spaces (int n, struct ui_file *file)
/* Print a host address. */
void
gdb_print_host_address (const void *addr, struct ui_file *stream)
gdb_print_host_address_1 (const void *addr, struct ui_file *stream)
{
fprintf_filtered (stream, "%s", host_address_to_string (addr));
}

6
gdb/utils.h
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@ -246,7 +246,11 @@ extern void fputstrn_unfiltered (const char *str, int n, int quotr,
extern int filtered_printing_initialized (void);
/* Display the host ADDR on STREAM formatted as ``0x%x''. */
extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
extern void gdb_print_host_address_1 (const void *addr, struct ui_file *stream);
/* Wrapper that avoids adding a pointless cast to all callers. */
#define gdb_print_host_address(ADDR, STREAM) \
gdb_print_host_address_1 ((const void *) ADDR, STREAM)
/* Convert CORE_ADDR to string in platform-specific manner.
This is usually formatted similar to 0x%lx. */