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* remote.c, remote-pa.c: Remove #if 0'd icache code. It has had

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no hope of working as is for a long time (in particular, shebs' 27
	Jan 95 change confuses the issue further--target_read_memory and
	xfer_core_file do *not* do the same thing in this context).
	Revise comment.
This commit is contained in:
Jim Kingdon 1995-01-29 17:51:58 +00:00
parent e4091a46a5
commit ba6ef5e5fd
1 changed files with 5 additions and 23 deletions
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28
gdb/remote-pa.c
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@ -237,10 +237,6 @@ extern struct target_ops remote_ops; /* Forward decl */
be plenty. */
static int remote_timeout = 2;
#if 0
int icache;
#endif
/* Descriptor for I/O to remote machine. Initialize it to NULL so that
remote_open knows that we don't have a file open when the program
starts. */
@ -845,12 +841,11 @@ remote_store_registers (regno)
/* Use of the data cache is disabled because it loses for looking at
and changing hardware I/O ports and the like. Accepting `volatile'
would perhaps be one way to fix it, but a better way which would
win for more cases would be to use the executable file for the text
segment, like the `icache' code below but done cleanly (in some
target-independent place, perhaps in target_xfer_memory, perhaps
based on assigning each target a speed or perhaps by some simpler
mechanism). */
would perhaps be one way to fix it. Another idea would be to use the
executable file for the text segment (for all SEC_CODE sections?
For all SEC_READONLY sections?). This has problems if you want to
actually see what the memory contains (e.g. self-modifying code,
clobbered memory, user downloaded the wrong thing). */
/* Read a word from remote address ADDR and return it.
This goes through the data cache. */
@ -859,19 +854,6 @@ static int
remote_fetch_word (addr)
CORE_ADDR addr;
{
#if 0
if (icache)
{
extern CORE_ADDR text_start, text_end;
if (addr >= text_start && addr < text_end)
{
int buffer;
target_read_memory (addr, &buffer, sizeof (int));
return buffer;
}
}
#endif
return dcache_fetch (remote_dcache, addr);
}