/* Machine independent variables that describe the core file under GDB.
- Copyright (C) 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
- 1997, 1998, 1999, 2000, 2001, 2004, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1986-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "bfd.h"
#include "exec.h"
-
-/* Return the name of the executable file as a string.
- ERR nonzero means get error if there is none specified;
- otherwise return 0 in that case. */
-
-extern char *get_exec_file (int err);
+#include "target.h"
/* Nonzero if there is a core file. */
/* Report a memory error with error(). */
-extern void memory_error (int status, CORE_ADDR memaddr);
+extern void memory_error (enum target_xfer_status status, CORE_ADDR memaddr);
+
+/* The string 'memory_error' would use as exception message. */
+
+extern std::string memory_error_message (enum target_xfer_status err,
+ struct gdbarch *gdbarch,
+ CORE_ADDR memaddr);
/* Like target_read_memory, but report an error if can't read. */
-extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+extern void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
/* Like target_read_stack, but report an error if can't read. */
-extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
+extern void read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
+
+/* Like target_read_code, but report an error if can't read. */
+
+extern void read_code (CORE_ADDR memaddr, gdb_byte *myaddr, ssize_t len);
/* Read an integer from debugged memory, given address and number of
bytes. */
extern LONGEST read_memory_integer (CORE_ADDR memaddr,
int len, enum bfd_endian byte_order);
extern int safe_read_memory_integer (CORE_ADDR memaddr, int len,
- enum bfd_endian byte_order, LONGEST *return_value);
+ enum bfd_endian byte_order,
+ LONGEST *return_value);
/* Read an unsigned integer from debugged memory, given address and
number of bytes. */
extern ULONGEST read_memory_unsigned_integer (CORE_ADDR memaddr,
- int len, enum bfd_endian byte_order);
+ int len,
+ enum bfd_endian byte_order);
+extern int safe_read_memory_unsigned_integer (CORE_ADDR memaddr, int len,
+ enum bfd_endian byte_order,
+ ULONGEST *return_value);
+
+/* Read an integer from debugged code memory, given address,
+ number of bytes, and byte order for code. */
+
+extern LONGEST read_code_integer (CORE_ADDR memaddr, int len,
+ enum bfd_endian byte_order);
+
+/* Read an unsigned integer from debugged code memory, given address,
+ number of bytes, and byte order for code. */
-/* Read a null-terminated string from the debuggee's memory, given address,
- * a buffer into which to place the string, and the maximum available space */
+extern ULONGEST read_code_unsigned_integer (CORE_ADDR memaddr,
+ int len,
+ enum bfd_endian byte_order);
+
+/* Read a null-terminated string from the debuggee's memory, given
+ address, a buffer into which to place the string, and the maximum
+ available space. */
extern void read_memory_string (CORE_ADDR, char *, int);
/* Read the pointer of type TYPE at ADDR, and return the address it
- represents. */
+ represents. */
CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type);
-/* This takes a char *, not void *. This is probably right, because
- passing in an int * or whatever is wrong with respect to
- byteswapping, alignment, different sizes for host vs. target types,
- etc. */
+/* Same as target_write_memory, but report an error if can't
+ write. */
+
+extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
+ ssize_t len);
+
+/* Same as write_memory, but notify 'memory_changed' observers. */
-extern void write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len);
+extern void write_memory_with_notification (CORE_ADDR memaddr,
+ const bfd_byte *myaddr,
+ ssize_t len);
/* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */
extern void write_memory_unsigned_integer (CORE_ADDR addr, int len,
\f
/* Hook for `exec_file_command' command to call. */
-extern void (*deprecated_exec_file_display_hook) (char *filename);
+extern void (*deprecated_exec_file_display_hook) (const char *filename);
/* Hook for "file_command", which is more useful than above
(because it is invoked AFTER symbols are read, not before). */
-extern void (*deprecated_file_changed_hook) (char *filename);
+extern void (*deprecated_file_changed_hook) (const char *filename);
-extern void specify_exec_file_hook (void (*hook) (char *filename));
+extern void specify_exec_file_hook (void (*hook) (const char *filename));
/* Binary File Diddler for the core file. */
-extern bfd *core_bfd;
+#define core_bfd (current_program_space->cbfd.get ())
/* Whether to open exec and core files read-only or read-write. */
-extern int write_files;
+extern bool write_files;
+
+/* Open and set up the core file bfd. */
+
+extern void core_target_open (const char *arg, int from_tty);
-extern void core_file_command (char *filename, int from_tty);
+extern void core_file_command (const char *filename, int from_tty);
-extern void exec_file_attach (char *filename, int from_tty);
+extern void exec_file_attach (const char *filename, int from_tty);
-extern void exec_file_clear (int from_tty);
+/* If the filename of the main executable is unknown, attempt to
+ determine it. If a filename is determined, proceed as though
+ it was just specified with the "file" command. Do nothing if
+ the filename of the main executable is already known.
+ DEFER_BP_RESET uses SYMFILE_DEFER_BP_RESET for the main symbol file. */
+
+extern void exec_file_locate_attach (int pid, int defer_bp_reset, int from_tty);
extern void validate_files (void);
extern char *gnutarget;
-extern void set_gnutarget (char *);
+extern void set_gnutarget (const char *);
/* Structure to keep track of core register reading functions for
various core file types. */
/* BFD flavour that a core file handler is prepared to read. This
can be used by the handler's core tasting function as a first
level filter to reject BFD's that don't have the right
- flavour. */
+ flavour. */
enum bfd_flavour core_flavour;
into the BFD model, or may require other resources to identify
them, that simply aren't available to BFD (such as symbols from
another file). Returns nonzero if the handler recognizes the
- format, zero otherwise. */
+ format, zero otherwise. */
int (*check_format) (bfd *);
/* Core file handler function to call to ask if it can handle a
given core file format or not. Returns zero if it can't,
- nonzero otherwise. */
+ nonzero otherwise. */
int (*core_sniffer) (struct core_fns *, bfd *);
REG_ADDR is the offset from u.u_ar0 to the register values relative to
core_reg_sect. This is used with old-fashioned core files to locate the
registers in a large upage-plus-stack ".reg" section. Original upage
- address X is at location core_reg_sect+x+reg_addr. */
+ address X is at location core_reg_sect+x+reg_addr. */
void (*core_read_registers) (struct regcache *regcache,
char *core_reg_sect,
};
+/* Build either a single-thread or multi-threaded section name for
+ PTID.
+
+ If ptid's lwp member is zero, we want to do the single-threaded
+ thing: look for a section named NAME (as passed to the
+ constructor). If ptid's lwp member is non-zero, we'll want do the
+ multi-threaded thing: look for a section named "NAME/LWP", where
+ LWP is the shortest ASCII decimal representation of ptid's lwp
+ member. */
+
+class thread_section_name
+{
+public:
+ /* NAME is the single-threaded section name. If PTID represents an
+ LWP, then the build section name is "NAME/LWP", otherwise it's
+ just "NAME" unmodified. */
+ thread_section_name (const char *name, ptid_t ptid)
+ {
+ if (ptid.lwp_p ())
+ {
+ m_storage = string_printf ("%s/%ld", name, ptid.lwp ());
+ m_section_name = m_storage.c_str ();
+ }
+ else
+ m_section_name = name;
+ }
+
+ /* Return the computed section name. The result is valid as long as
+ this thread_section_name object is live. */
+ const char *c_str () const
+ { return m_section_name; }
+
+ DISABLE_COPY_AND_ASSIGN (thread_section_name);
+
+private:
+ /* Either a pointer into M_STORAGE, or a pointer to the name passed
+ as parameter to the constructor. */
+ const char *m_section_name;
+ /* If we need to build a new section name, this is where we store
+ it. */
+ std::string m_storage;
+};
+
/* NOTE: cagney/2004-04-05: Replaced by "regset.h" and
regset_from_core_section(). */
extern void deprecated_add_core_fns (struct core_fns *cf);
extern int default_core_sniffer (struct core_fns *cf, bfd * abfd);
extern int default_check_format (bfd * abfd);
-struct target_section *deprecated_core_resize_section_table (int num_added);
-
#endif /* !defined (GDBCORE_H) */
projects / deliverable / binutils-gdb.git / blobdiff