806f8c893c
- archer-jankratochvil-fedora12 commit: 941eb487a42933e442cb4d11344cda96ecb8a04d - [next-over-throw] Fix exceptions thrown during next (Tom Tromey). - [bp_location-accel] Do not (much) slow down on 500+ breakpoints (me).
306 lines
12 KiB
Diff
306 lines
12 KiB
Diff
2005-12-14 Jeff Johnston <jjohnstn@redhat.com>
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* symfile-mem.c (read_memory): New static read callback function.
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(symfile_add_from_memory): Pass read_memory to bfd instead of
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target_read_memory.
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* target.c (target_xfer_memory): Add support for LONGEST len and
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change all callers.
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(deprecated_debug_xfer_memory, target_read_memory): Ditto.
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(target_write_memory, do_xfer_memory): Ditto.
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(target_xfer_memory_partial, target_read_memory_partial): Ditto.
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(target_write_memory_partial): Ditto.
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* infptrace.c (child_xfer_memory): Ditto.
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* linux-nat.c (linux_nat_xfer_memory): Ditto.
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(linux_nat_proc_xfer_memory): Ditto.
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* dcache.c (dcache_xfer_memory): Ditto.
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* exec.c (xfer_memory): Ditto.
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* remote.c (remote_xfer_memory): Ditto.
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* remote-sim.c (gdbsim_xfer_interior_memory): Ditto.
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* target.h: Change prototypes for functions changed above.
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* linux-nat.h: Ditto.
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* remote.h: Ditto.
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* dcache.h: Ditto.
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2007-10-15 Jan Kratochvil <jan.kratochvil@redhat.com>
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Port to GDB-6.7.
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Index: gdb-6.8.50.20090909/gdb/symfile-mem.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/symfile-mem.c 2009-07-02 19:21:06.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/symfile-mem.c 2009-09-09 19:06:57.000000000 +0200
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@@ -56,6 +56,14 @@
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#include "elf/common.h"
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+/* Local callback routine to pass to bfd to read from target memory,
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+ using a len constrained to INT_MAX. */
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+static int
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+read_target_memory (bfd_vma addr, bfd_byte *buf, int len)
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+{
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+ return target_read_memory (addr, buf, (LONGEST)len);
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+}
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+
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/* Read inferior memory at ADDR to find the header of a loaded object file
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and read its in-core symbols out of inferior memory. TEMPL is a bfd
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representing the target's format. NAME is the name to use for this
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@@ -76,7 +84,7 @@ symbol_file_add_from_memory (struct bfd
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error (_("add-symbol-file-from-memory not supported for this target"));
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nbfd = bfd_elf_bfd_from_remote_memory (templ, addr, &loadbase,
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- target_read_memory);
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+ read_target_memory);
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if (nbfd == NULL)
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error (_("Failed to read a valid object file image from memory."));
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Index: gdb-6.8.50.20090909/gdb/target.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/target.c 2009-09-09 19:05:56.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/target.c 2009-09-09 19:08:11.000000000 +0200
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@@ -59,7 +59,7 @@ static int nosymbol (char *, CORE_ADDR *
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static void tcomplain (void) ATTR_NORETURN;
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-static int nomemory (CORE_ADDR, char *, int, int, struct target_ops *);
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+static LONGEST nomemory (CORE_ADDR, char *, int, int, struct target_ops *);
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static int return_zero (void);
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@@ -492,7 +492,7 @@ target_terminal_inferior (void)
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(*current_target.to_terminal_inferior) ();
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}
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-static int
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+static LONGEST
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nomemory (CORE_ADDR memaddr, char *myaddr, int len, int write,
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struct target_ops *t)
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{
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@@ -711,7 +711,7 @@ update_current_target (void)
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(void (*) (struct regcache *))
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noprocess);
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de_fault (deprecated_xfer_memory,
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- (int (*) (CORE_ADDR, gdb_byte *, int, int, struct mem_attrib *, struct target_ops *))
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+ (LONGEST (*) (CORE_ADDR, gdb_byte *, LONGEST, int, struct mem_attrib *, struct target_ops *))
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nomemory);
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de_fault (to_files_info,
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(void (*) (struct target_ops *))
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@@ -1443,7 +1443,7 @@ target_xfer_partial (struct target_ops *
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it makes no progress, and then return how much was transferred). */
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int
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-target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
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+target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, LONGEST len)
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{
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/* Dispatch to the topmost target, not the flattened current_target.
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Memory accesses check target->to_has_(all_)memory, and the
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@@ -1459,7 +1459,7 @@ target_read_memory (CORE_ADDR memaddr, g
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the target's stack. This may trigger different cache behavior. */
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int
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-target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len)
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+target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, LONGEST len)
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{
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/* Dispatch to the topmost target, not the flattened current_target.
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Memory accesses check target->to_has_(all_)memory, and the
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@@ -1473,7 +1473,7 @@ target_read_stack (CORE_ADDR memaddr, gd
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}
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int
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-target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, int len)
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+target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr, LONGEST len)
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{
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/* Dispatch to the topmost target, not the flattened current_target.
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Memory accesses check target->to_has_(all_)memory, and the
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@@ -2964,8 +2964,8 @@ debug_to_prepare_to_store (struct regcac
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fprintf_unfiltered (gdb_stdlog, "target_prepare_to_store ()\n");
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}
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-static int
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-deprecated_debug_xfer_memory (CORE_ADDR memaddr, bfd_byte *myaddr, int len,
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+static LONGEST
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+deprecated_debug_xfer_memory (CORE_ADDR memaddr, bfd_byte *myaddr, LONGEST len,
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int write, struct mem_attrib *attrib,
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struct target_ops *target)
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{
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@@ -2975,8 +2975,8 @@ deprecated_debug_xfer_memory (CORE_ADDR
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attrib, target);
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fprintf_unfiltered (gdb_stdlog,
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- "target_xfer_memory (%s, xxx, %d, %s, xxx) = %d",
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- paddress (target_gdbarch, memaddr), len,
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+ "target_xfer_memory (%s, xxx, %ld, %s, xxx) = %d",
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+ paddress (target_gdbarch, memaddr), (long) len,
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write ? "write" : "read", retval);
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if (retval > 0)
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Index: gdb-6.8.50.20090909/gdb/target.h
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/target.h 2009-09-09 19:05:56.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/target.h 2009-09-09 19:07:36.000000000 +0200
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@@ -366,10 +366,10 @@ struct target_ops
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NOTE: cagney/2004-10-01: This has been entirely superseeded by
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to_xfer_partial and inferior inheritance. */
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- int (*deprecated_xfer_memory) (CORE_ADDR memaddr, gdb_byte *myaddr,
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- int len, int write,
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- struct mem_attrib *attrib,
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- struct target_ops *target);
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+ LONGEST (*deprecated_xfer_memory) (CORE_ADDR memaddr, gdb_byte *myaddr,
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+ LONGEST len, int write,
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+ struct mem_attrib *attrib,
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+ struct target_ops *target);
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void (*to_files_info) (struct target_ops *);
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int (*to_insert_breakpoint) (struct gdbarch *, struct bp_target_info *);
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@@ -680,12 +680,12 @@ extern void target_dcache_invalidate (vo
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extern int target_read_string (CORE_ADDR, char **, int, int *);
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-extern int target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
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+extern int target_read_memory (CORE_ADDR memaddr, gdb_byte *myaddr, LONGEST len);
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-extern int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, int len);
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+extern int target_read_stack (CORE_ADDR memaddr, gdb_byte *myaddr, LONGEST len);
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extern int target_write_memory (CORE_ADDR memaddr, const gdb_byte *myaddr,
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- int len);
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+ LONGEST len);
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/* Fetches the target's memory map. If one is found it is sorted
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and returned, after some consistency checking. Otherwise, NULL
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Index: gdb-6.8.50.20090909/gdb/dcache.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/dcache.c 2009-08-31 22:18:45.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/dcache.c 2009-09-09 19:09:21.000000000 +0200
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@@ -390,10 +390,10 @@ dcache_free (DCACHE *dcache)
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The meaning of the result is the same as for target_write. */
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-int
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+LONGEST
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dcache_xfer_memory (struct target_ops *ops, DCACHE *dcache,
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CORE_ADDR memaddr, gdb_byte *myaddr,
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- int len, int should_write)
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+ LONGEST len, int should_write)
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{
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int i;
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int res;
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Index: gdb-6.8.50.20090909/gdb/dcache.h
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/dcache.h 2009-08-31 22:18:45.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/dcache.h 2009-09-09 19:08:54.000000000 +0200
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@@ -35,8 +35,8 @@ void dcache_free (DCACHE *);
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/* Simple to call from <remote>_xfer_memory */
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-int dcache_xfer_memory (struct target_ops *ops, DCACHE *cache, CORE_ADDR mem,
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- gdb_byte *my, int len, int should_write);
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+LONGEST dcache_xfer_memory (struct target_ops *ops, DCACHE *cache, CORE_ADDR mem,
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+ gdb_byte *my, LONGEST len, int should_write);
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void dcache_update (DCACHE *dcache, CORE_ADDR memaddr, gdb_byte *myaddr,
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int len);
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Index: gdb-6.8.50.20090909/gdb/exec.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/exec.c 2009-07-02 19:21:06.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/exec.c 2009-09-09 19:06:57.000000000 +0200
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@@ -560,7 +560,7 @@ map_vmap (bfd *abfd, bfd *arch)
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}
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-int
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+LONGEST
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section_table_xfer_memory_partial (gdb_byte *readbuf, const gdb_byte *writebuf,
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ULONGEST offset, LONGEST len,
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struct target_section *sections,
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Index: gdb-6.8.50.20090909/gdb/linux-nat.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/linux-nat.c 2009-09-09 19:06:46.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/linux-nat.c 2009-09-09 19:06:57.000000000 +0200
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@@ -4622,7 +4622,7 @@ linux_xfer_partial (struct target_ops *o
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#endif
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if (iterate_over_lwps (ia64_linux_check_stack_region, &range) != NULL)
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{ /* This region contains ia64 rse registers, we have to re-read. */
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- int xxfer;
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+ LONGEST xxfer;
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/* Re-read register stack area. */
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xxfer = super_xfer_partial (ops, object, annex,
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Index: gdb-6.8.50.20090909/gdb/remote.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/remote.c 2009-08-18 18:17:16.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/remote.c 2009-09-09 19:06:57.000000000 +0200
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@@ -25,6 +25,7 @@
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#include "gdb_string.h"
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#include <ctype.h>
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#include <fcntl.h>
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+#include <limits.h>
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#include "inferior.h"
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#include "bfd.h"
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#include "symfile.h"
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@@ -5764,12 +5765,19 @@ handle_notification (char *buf, size_t l
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if SHOULD_WRITE is nonzero. Returns length of data written or
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read; 0 for error. TARGET is unused. */
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-static int
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-remote_xfer_memory (CORE_ADDR mem_addr, gdb_byte *buffer, int mem_len,
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+static LONGEST
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+remote_xfer_memory (CORE_ADDR mem_addr, gdb_byte *buffer, LONGEST mem_len,
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int should_write, struct mem_attrib *attrib,
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struct target_ops *target)
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{
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int res;
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+ int len;
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+
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+ /* This routine is not set up to handle > INT_MAX bytes. */
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+ if (mem_len >= (LONGEST)INT_MAX)
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+ return 0;
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+
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+ len = (int)mem_len;
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set_general_thread (inferior_ptid);
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@@ -5778,7 +5786,7 @@ remote_xfer_memory (CORE_ADDR mem_addr,
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else
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res = remote_read_bytes (mem_addr, buffer, mem_len);
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- return res;
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+ return (LONGEST)res;
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}
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/* Sends a packet with content determined by the printf format string
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Index: gdb-6.8.50.20090909/gdb/remote-sim.c
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/remote-sim.c 2009-07-02 19:21:06.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/remote-sim.c 2009-09-09 19:06:57.000000000 +0200
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@@ -752,11 +752,14 @@ gdbsim_prepare_to_store (struct regcache
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Returns the number of bytes transferred. */
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-static int
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-gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, gdb_byte *myaddr, int len,
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+static LONGEST
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+gdbsim_xfer_inferior_memory (CORE_ADDR memaddr, gdb_byte *myaddr, LONGEST len,
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int write, struct mem_attrib *attrib,
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struct target_ops *target)
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{
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+ /* Convert to len type that sim_read and sim_write can handle. */
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+ int xfer_len = (int)len;
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+
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/* If no program is running yet, then ignore the simulator for
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memory. Pass the request down to the next target, hopefully
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an exec file. */
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Index: gdb-6.8.50.20090909/gdb/exec.h
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===================================================================
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--- gdb-6.8.50.20090909.orig/gdb/exec.h 2009-06-12 20:38:36.000000000 +0200
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+++ gdb-6.8.50.20090909/gdb/exec.h 2009-09-09 19:06:57.000000000 +0200
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@@ -56,7 +56,7 @@ extern int resize_section_table (struct
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One, and only one, of readbuf or writebuf must be non-NULL. */
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-extern int section_table_xfer_memory_partial (gdb_byte *, const gdb_byte *,
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+extern LONGEST section_table_xfer_memory_partial (gdb_byte *, const gdb_byte *,
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ULONGEST, LONGEST,
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struct target_section *,
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struct target_section *,
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