/* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
/* Basic, host-specific, and target-specific definitions for GDB.
Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GDB.
issue is found that we spend the effort on algorithmic
optimizations than micro-optimizing.'' J.T. */
-#define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
-#define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
+/* NOTE: cagney/2003-11-23: All instances of STREQ[N] covered by
+ testing GDB on a stabs system have been replaced by equivalent
+ str[n]cmp calls. To avoid the possability of introducing bugs when
+ making untested changes, the remaining references were deprecated
+ rather than replaced. */
+
+/* DISCLAIMER: cagney/2003-11-23: Simplified definition of these
+ macros so that they just map directly onto strcmp equivalent. I'm
+ not responsible for any breakage due to code that relied on the old
+ underlying implementation. */
+
+#define DEPRECATED_STREQ(a,b) (strcmp ((a), (b)) == 0)
+#define DEPRECATED_STREQN(a,b,c) (strncmp ((a), (b), (c)) == 0)
/* Check if a character is one of the commonly used C++ marker characters. */
extern int is_cplus_marker (int);
AUTO_BOOLEAN_AUTO
};
+/* Potential ways that a function can return a value of a given type. */
+enum return_value_convention
+{
+ /* Where the return value has been squeezed into one or more
+ registers. */
+ RETURN_VALUE_REGISTER_CONVENTION,
+ /* Commonly known as the "struct return convention". The caller
+ passes an additional hidden first parameter to the caller. That
+ parameter contains the address at which the value being returned
+ should be stored. While typically, and historically, used for
+ large structs, this is convention is applied to values of many
+ different types. */
+ RETURN_VALUE_STRUCT_CONVENTION
+};
+
/* the cleanup list records things that have to be undone
if an error happens (descriptors to be closed, memory to be freed, etc.)
Each link in the chain records a function to call and an
#endif
#endif
+/* Be conservative and use enum bitfields only with GCC.
+ This is copied from gcc 3.3.1, system.h. */
+
+#if defined(__GNUC__) && (__GNUC__ >= 2)
+#define ENUM_BITFIELD(TYPE) enum TYPE
+#else
+#define ENUM_BITFIELD(TYPE) unsigned int
+#endif
+
/* Needed for various prototypes */
struct symtab;
extern int inside_entry_func (CORE_ADDR);
-extern int inside_entry_file (CORE_ADDR addr);
+extern int deprecated_inside_entry_file (CORE_ADDR addr);
extern int inside_main_func (CORE_ADDR pc);
extern void do_cleanups (struct cleanup *);
extern void do_final_cleanups (struct cleanup *);
-extern void do_my_cleanups (struct cleanup **, struct cleanup *);
extern void do_run_cleanups (struct cleanup *);
extern void do_exec_cleanups (struct cleanup *);
extern void do_exec_error_cleanups (struct cleanup *);
/* Normal results */
extern struct ui_file *gdb_stdout;
+/* Input stream */
+extern struct ui_file *gdb_stdin;
/* Serious error notifications */
extern struct ui_file *gdb_stderr;
/* Log/debug/trace messages that should bypass normal stdout/stderr
very near future that restriction shall be removed - either call
shall be unfiltered. (cagney 1999-07-02). */
extern struct ui_file *gdb_stdtarg;
+extern struct ui_file *gdb_stdtargerr;
+extern struct ui_file *gdb_stdtargin;
#if defined(TUI)
#include "tui.h"
#include "tm.h"
#endif
-/* GDB_MULTI_ARCH is normally set by configure.in using information
- from configure.tgt or the config/%/%.mt Makefile fragment. Since
- some targets have defined it in their "tm.h" file, delay providing
- a default definition until after "tm.h" has been included.. */
-
-#ifndef GDB_MULTI_ARCH
-#define GDB_MULTI_ARCH 0
-#endif
-
-
/* If the xm.h file did not define the mode string used to open the
files, assume that binary files are opened the same way as text
files */
"libiberty.h". */
extern void xfree (void *);
-/* Utility macros to allocate typed memory. Avoids errors like
- ``struct foo *foo = xmalloc (sizeof bar)'' and ``struct foo *foo =
- (struct foo *) xmalloc (sizeof bar)''. */
+/* Utility macros to allocate typed memory. Avoids errors like:
+ struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
+ sizeof (struct foo), 0). */
+#define XZALLOC(TYPE) ((TYPE*) memset (xmalloc (sizeof (TYPE)), 0, sizeof (TYPE)))
#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
#define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
extern void xvasprintf (char **ret, const char *format, va_list ap);
+/* Like asprintf, but return the string, throw an error if no memory. */
+extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
+
extern int parse_escape (char **);
/* Message to be printed before the error message, when an error occurs. */
extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
+extern NORETURN void error_silent (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);
+
extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
+/* Initialize the error buffer. */
+extern void error_init (void);
+
/* Returns a freshly allocate buffer containing the last error
message. */
extern char *error_last_message (void);
+/* Output arbitrary error message. */
+extern void error_output_message (char *pre_print, char *msg);
+
extern NORETURN void internal_verror (const char *file, int line,
const char *, va_list ap) ATTR_NORETURN;
new cleanup_chain is established. The old values are restored
before catch_exceptions() returns.
+ The variant catch_exceptions_with_msg() is the same as
+ catch_exceptions() but adds the ability to return an allocated
+ copy of the gdb error message. This is used when a silent error is
+ issued and the caller wants to manually issue the error message.
+
FIXME; cagney/2001-08-13: The need to override the global UIOUT
builder variable should just go away.
extern int catch_exceptions (struct ui_out *uiout,
catch_exceptions_ftype *func, void *func_args,
char *errstring, return_mask mask);
+extern int catch_exceptions_with_msg (struct ui_out *uiout,
+ catch_exceptions_ftype *func,
+ void *func_args,
+ char *errstring, char **gdberrmsg,
+ return_mask mask);
/* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
GDB_OSABI_FREEBSD_ELF,
GDB_OSABI_NETBSD_AOUT,
GDB_OSABI_NETBSD_ELF,
+ GDB_OSABI_OPENBSD_ELF,
GDB_OSABI_WINCE,
GDB_OSABI_GO32,
GDB_OSABI_NETWARE,
#endif /* Not GNU C */
#endif /* alloca not defined */
+/* Is GDB multi-arch? If there's a "tm.h" file, it is not. */
+#ifndef GDB_MULTI_ARCH
+#ifdef GDB_TM_FILE
+#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PARTIAL
+#else
+#define GDB_MULTI_ARCH GDB_MULTI_ARCH_PURE
+#endif
+#endif
+
/* Dynamic target-system-dependent parameters for GDB. */
#include "gdbarch.h"
-#if (GDB_MULTI_ARCH == 0)
-/* Multi-arch targets _should_ be including "arch-utils.h" directly
- into their *-tdep.c file. This is a prop to help old non-
- multi-arch targets to continue to compile. */
-#include "arch-utils.h"
-#endif
/* Maximum size of a register. Something small, but large enough for
all known ISAs. If it turns out to be too small, make it bigger. */
enum { MAX_REGISTER_SIZE = 16 };
-/* FIXME: cagney/2003-03-01: Hack to prop up old targets while they
- migrate to the overhauled register cache.
-
- The problem is that some architectures specify different sized raw
- and cooked (nee virtual) register sizes. They shouldn't. Instead,
- all architectures should just implement a gdbarch_register_type().
- That can be used to compute all needed register attributes. While
- waiting for the conversion, provide compatibility macros that keep
- old code working. */
-
-#ifdef MAX_REGISTER_RAW_SIZE
-#error MAX_REGISTER_RAW_SIZE defined
-#endif
-extern int legacy_max_register_raw_size (void);
-#define MAX_REGISTER_RAW_SIZE legacy_max_register_raw_size ()
-
/* Static target-system-dependent parameters for GDB. */
/* Number of bits in a char or unsigned char for the target machine.
extern int extract_long_unsigned_integer (const void *, int, LONGEST *);
-extern CORE_ADDR extract_address (const void *, int);
-
extern CORE_ADDR extract_typed_address (const void *buf, struct type *type);
extern void store_signed_integer (void *, int, LONGEST);
extern void store_unsigned_integer (void *, int, ULONGEST);
-extern void store_address (void *, int, LONGEST);
-
extern void store_typed_address (void *buf, struct type *type, CORE_ADDR addr);
\f
#define ISATTY(FP) (isatty (fileno (FP)))
#endif
+/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
+ power of 2). Round up/down when necessary. Examples of correct
+ use include:
+
+ addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
+ write_memory (addr, value, len);
+ addr += len;
+
+ and:
+
+ sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
+ write_memory (sp, value, len);
+
+ Note that uses such as:
+
+ write_memory (addr, value, len);
+ addr += align_up (len, 8);
+
+ and:
+
+ sp -= align_up (len, 8);
+ write_memory (sp, value, len);
+
+ are typically not correct as they don't ensure that the address (SP
+ or ADDR) is correctly aligned (relying on previous alignment to
+ keep things right). This is also why the methods are called
+ "align_..." instead of "round_..." as the latter reads better with
+ this incorrect coding style. */
+
+extern ULONGEST align_up (ULONGEST v, int n);
+extern ULONGEST align_down (ULONGEST v, int n);
+
#endif /* #ifndef DEFS_H */
projects / deliverable / binutils-gdb.git / blobdiff