X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Fcorefile.c;h=c6efba7da2583cd9af6d5063054e29ea45e19ff2;hb=809df4465f01277ab689fb82b3f16ff79f9a2606;hp=3039e8c7f85caf57fb4a7311df3b8f2c86b41db8;hpb=5af949e350b923403600c1da34774b49a77c925c;p=binutils-gdb.git diff --git a/gdb/corefile.c b/gdb/corefile.c index 3039e8c7f85..c6efba7da25 100644 --- a/gdb/corefile.c +++ b/gdb/corefile.c @@ -1,7 +1,7 @@ /* Core dump and executable file functions above target vector, for GDB. Copyright (C) 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1996, 1997, 1998, - 1999, 2000, 2001, 2003, 2006, 2007, 2008, 2009 + 1999, 2000, 2001, 2003, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This file is part of GDB. @@ -59,6 +59,10 @@ static int exec_file_hook_count = 0; /* size of array */ /* Binary file diddling handle for the core file. */ bfd *core_bfd = NULL; + +/* corelow.c target (if included for this gdb target). */ + +struct target_ops *core_target; /* Backward compatability with old way of specifying core files. */ @@ -66,18 +70,15 @@ bfd *core_bfd = NULL; void core_file_command (char *filename, int from_tty) { - struct target_ops *t; - dont_repeat (); /* Either way, seems bogus. */ - t = find_core_target (); - if (t == NULL) + if (core_target == NULL) error (_("GDB can't read core files on this machine.")); if (!filename) - (t->to_detach) (t, filename, from_tty); + (core_target->to_detach) (core_target, filename, from_tty); else - (t->to_open) (filename, from_tty); + (core_target->to_open) (filename, from_tty); } @@ -152,7 +153,6 @@ reopen_exec_file (void) char *filename; int res; struct stat st; - long mtime; struct cleanup *cleanups; /* Don't do anything if there isn't an exec file. */ @@ -228,15 +228,29 @@ memory_error (int status, CORE_ADDR memaddr) } /* Same as target_read_memory, but report an error if can't read. */ + void read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len) { int status; + status = target_read_memory (memaddr, myaddr, len); if (status != 0) memory_error (status, memaddr); } +/* Same as target_read_stack, but report an error if can't read. */ + +void +read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len) +{ + int status; + + status = target_read_stack (memaddr, myaddr, len); + if (status != 0) + memory_error (status, memaddr); +} + /* Argument / return result struct for use with do_captured_read_memory_integer(). MEMADDR and LEN are filled in by gdb_read_memory_integer(). RESULT is the contents that were @@ -246,6 +260,7 @@ struct captured_read_memory_integer_arguments { CORE_ADDR memaddr; int len; + enum bfd_endian byte_order; LONGEST result; }; @@ -262,8 +277,9 @@ do_captured_read_memory_integer (void *data) struct captured_read_memory_integer_arguments *args = (struct captured_read_memory_integer_arguments*) data; CORE_ADDR memaddr = args->memaddr; int len = args->len; + enum bfd_endian byte_order = args->byte_order; - args->result = read_memory_integer (memaddr, len); + args->result = read_memory_integer (memaddr, len, byte_order); return 1; } @@ -273,12 +289,16 @@ do_captured_read_memory_integer (void *data) if successful. */ int -safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value) +safe_read_memory_integer (CORE_ADDR memaddr, int len, + enum bfd_endian byte_order, + LONGEST *return_value) { int status; struct captured_read_memory_integer_arguments args; + args.memaddr = memaddr; args.len = len; + args.byte_order = byte_order; status = catch_errors (do_captured_read_memory_integer, &args, "", RETURN_MASK_ALL); @@ -289,21 +309,21 @@ safe_read_memory_integer (CORE_ADDR memaddr, int len, LONGEST *return_value) } LONGEST -read_memory_integer (CORE_ADDR memaddr, int len) +read_memory_integer (CORE_ADDR memaddr, int len, enum bfd_endian byte_order) { gdb_byte buf[sizeof (LONGEST)]; read_memory (memaddr, buf, len); - return extract_signed_integer (buf, len); + return extract_signed_integer (buf, len, byte_order); } ULONGEST -read_memory_unsigned_integer (CORE_ADDR memaddr, int len) +read_memory_unsigned_integer (CORE_ADDR memaddr, int len, enum bfd_endian byte_order) { gdb_byte buf[sizeof (ULONGEST)]; read_memory (memaddr, buf, len); - return extract_unsigned_integer (buf, len); + return extract_unsigned_integer (buf, len, byte_order); } void @@ -337,6 +357,7 @@ CORE_ADDR read_memory_typed_address (CORE_ADDR addr, struct type *type) { gdb_byte *buf = alloca (TYPE_LENGTH (type)); + read_memory (addr, buf, TYPE_LENGTH (type)); return extract_typed_address (buf, type); } @@ -346,6 +367,7 @@ void write_memory (CORE_ADDR memaddr, const bfd_byte *myaddr, int len) { int status; + status = target_write_memory (memaddr, myaddr, len); if (status != 0) memory_error (status, memaddr); @@ -353,19 +375,25 @@ write_memory (CORE_ADDR memaddr, const bfd_byte *myaddr, int len) /* Store VALUE at ADDR in the inferior as a LEN-byte unsigned integer. */ void -write_memory_unsigned_integer (CORE_ADDR addr, int len, ULONGEST value) +write_memory_unsigned_integer (CORE_ADDR addr, int len, + enum bfd_endian byte_order, + ULONGEST value) { gdb_byte *buf = alloca (len); - store_unsigned_integer (buf, len, value); + + store_unsigned_integer (buf, len, byte_order, value); write_memory (addr, buf, len); } /* Store VALUE at ADDR in the inferior as a LEN-byte signed integer. */ void -write_memory_signed_integer (CORE_ADDR addr, int len, LONGEST value) +write_memory_signed_integer (CORE_ADDR addr, int len, + enum bfd_endian byte_order, + LONGEST value) { gdb_byte *buf = alloca (len); - store_signed_integer (buf, len, value); + + store_signed_integer (buf, len, byte_order, value); write_memory (addr, buf, len); } @@ -407,6 +435,7 @@ void _initialize_core (void) { struct cmd_list_element *c; + c = add_cmd ("core-file", class_files, core_file_command, _("\ Use FILE as core dump for examining memory and registers.\n\ No arg means have no core file. This command has been superseded by the\n\