diff options
| -rw-r--r-- | gdb/ChangeLog | 19 | ||||
| -rw-r--r-- | gdb/dcache.c | 33 | ||||
| -rw-r--r-- | gdb/dcache.h | 10 | ||||
| -rw-r--r-- | gdb/remote-bug.c | 71 | ||||
| -rw-r--r-- | gdb/remote-nindy.c | 86 | ||||
| -rw-r--r-- | gdb/remote-utils.c | 21 | ||||
| -rw-r--r-- | gdb/remote-utils.h | 2 | ||||
| -rw-r--r-- | gdb/remote.c | 35 |
8 files changed, 27 insertions, 250 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index f67c9ca..d9df8ad 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,22 @@ +2000-06-19 J.T. Conklin <jtc@redback.com> + + * remote-nindy.c (nindy_fetch_word, nindy_store_word): Removed + (nindy_xfer_inferior_memory): Use dcache_xfer_memory() instead of + breaking transfer into chunks and using nindy_fetch_word() and + nindy_store_word(). + + * remote-bug.c (bug_xfer_memory): Use dcache_xfer_memory() instead + of breaking transfer into chunks and using gr_fetch_word() and + gr_store_word(). + + * remote.c (remote_fetch_word, remote_store_word): Removed. + + * remote-utils.h (gr_fetch_word, gr_store_word): Removed. + * remote-utils.c (gr_fetch_word, gr_store_word): Removed. + + * dcache.h (dcache_fetch, dcache_poke, dcache_poke_block): Removed. + * dcache.c (dcache_fetch, dcache_poke): Removed. + 2000-06-16 Pierre Muller <muller@ics.u-strasbg.fr> * defs.h: define language_pascal in language enumeration. diff --git a/gdb/dcache.c b/gdb/dcache.c index 538f77e..1c52cc3 100644 --- a/gdb/dcache.c +++ b/gdb/dcache.c @@ -378,22 +378,6 @@ dcache_writeback (dcache) } -/* Using the data cache DCACHE return the contents of the word at - address ADDR in the remote machine. */ -int -dcache_fetch (dcache, addr) - DCACHE *dcache; - CORE_ADDR addr; -{ - int res; - - if (dcache_xfer_memory (dcache, addr, (char *) &res, sizeof res, 0) != sizeof res) - memory_error (EIO, addr); - - return res; -} - - /* Write the byte at PTR into ADDR in the data cache. Return zero on write error. */ @@ -419,23 +403,6 @@ dcache_poke_byte (dcache, addr, ptr) return 1; } -/* Write the word at ADDR both in the data cache and in the remote machine. - Return zero on write error. - */ - -int -dcache_poke (dcache, addr, data) - DCACHE *dcache; - CORE_ADDR addr; - int data; -{ - if (dcache_xfer_memory (dcache, addr, (char *) &data, sizeof data, 1) != sizeof data) - return 0; - - return dcache_writeback (dcache); -} - - /* Initialize the data cache. */ DCACHE * dcache_init (reading, writing) diff --git a/gdb/dcache.h b/gdb/dcache.h index d13708f..928173d 100644 --- a/gdb/dcache.h +++ b/gdb/dcache.h @@ -27,27 +27,17 @@ typedef int (*memxferfunc) (CORE_ADDR memaddr, char *myaddr, int len); typedef struct dcache_struct DCACHE; -/* Using the data cache DCACHE return the contents of the word at - address ADDR in the remote machine. */ -int dcache_fetch (DCACHE * dcache, CORE_ADDR addr); - /* Flush DCACHE. */ void dcache_flush (DCACHE * dcache); /* Initialize DCACHE. */ DCACHE *dcache_init (memxferfunc reading, memxferfunc writing); -/* Write the word at ADDR both in the data cache and in the remote machine. */ -int dcache_poke (DCACHE * dcache, CORE_ADDR addr, int data); - /* Simple to call from <remote>_xfer_memory */ int dcache_xfer_memory (DCACHE * cache, CORE_ADDR mem, char *my, int len, int should_write); -/* Write the bytes at ADDR into the data cache and the remote machine. */ -int dcache_poke_block (DCACHE * cache, CORE_ADDR mem, char *my, int len); - /* Turn dcache state on or off */ void set_dcache_state (int); diff --git a/gdb/remote-bug.c b/gdb/remote-bug.c index 6c331a1..e3a5a67 100644 --- a/gdb/remote-bug.c +++ b/gdb/remote-bug.c @@ -575,75 +575,10 @@ bug_xfer_memory (memaddr, myaddr, len, write, target) int write; struct target_ops *target; /* ignored */ { - register int i; + if (len <= 0) + return 0; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr; - - /* Round ending address up; get number of longwords that makes. */ - register int count; - - /* Allocate buffer of that many longwords. */ - register int *buffer; - - addr = memaddr & -sizeof (int); - count = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - - buffer = (int *) alloca (count * sizeof (int)); - - if (write) - { - /* Fill start and end extra bytes of buffer with existing memory data. */ - - if (addr != memaddr || len < (int) sizeof (int)) - { - /* Need part of initial word -- fetch it. */ - buffer[0] = gr_fetch_word (addr); - } - - if (count > 1) /* FIXME, avoid if even boundary */ - { - buffer[count - 1] - = gr_fetch_word (addr + (count - 1) * sizeof (int)); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - gr_store_word (addr, buffer[i]); - if (errno) - { - - return 0; - } - - } - } - else - { - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - buffer[i] = gr_fetch_word (addr); - if (errno) - { - return 0; - } - QUIT; - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); - } - - return len; + return dcache_xfer_memory (gr_get_dcache (), memaddr, myaddr, len, write); } static void diff --git a/gdb/remote-nindy.c b/gdb/remote-nindy.c index 8350547..fb8b5e2 100644 --- a/gdb/remote-nindy.c +++ b/gdb/remote-nindy.c @@ -487,34 +487,9 @@ nindy_store_registers (regno) immediate_quit--; } -/* Read a word from remote address ADDR and return it. - * This goes through the data cache. - */ -int -nindy_fetch_word (addr) - CORE_ADDR addr; -{ - return dcache_fetch (nindy_dcache, addr); -} - -/* Write a word WORD into remote address ADDR. - This goes through the data cache. */ - -void -nindy_store_word (addr, word) - CORE_ADDR addr; - int word; -{ - dcache_poke (nindy_dcache, addr, word); -} - /* Copy LEN bytes to or from inferior's memory starting at MEMADDR to debugger memory starting at MYADDR. Copy to inferior if - WRITE is nonzero. Returns the length copied. - - This is stolen almost directly from infptrace.c's child_xfer_memory, - which also deals with a word-oriented memory interface. Sometime, - FIXME, rewrite this to not use the word-oriented routines. */ + SHOULD_WRITE is nonzero. Returns the length copied. */ int nindy_xfer_inferior_memory (memaddr, myaddr, len, should_write, target) @@ -524,61 +499,10 @@ nindy_xfer_inferior_memory (memaddr, myaddr, len, should_write, target) int should_write; struct target_ops *target; /* ignored */ { - register int i; - /* Round starting address down to longword boundary. */ - register CORE_ADDR addr = memaddr & -sizeof (int); - /* Round ending address up; get number of longwords that makes. */ - register int count - = (((memaddr + len) - addr) + sizeof (int) - 1) / sizeof (int); - /* Allocate buffer of that many longwords. */ - register int *buffer = (int *) alloca (count * sizeof (int)); - - if (should_write) - { - /* Fill start and end extra bytes of buffer with existing memory data. */ - - if (addr != memaddr || len < (int) sizeof (int)) - { - /* Need part of initial word -- fetch it. */ - buffer[0] = nindy_fetch_word (addr); - } - - if (count > 1) /* FIXME, avoid if even boundary */ - { - buffer[count - 1] - = nindy_fetch_word (addr + (count - 1) * sizeof (int)); - } - - /* Copy data to be written over corresponding part of buffer */ - - memcpy ((char *) buffer + (memaddr & (sizeof (int) - 1)), myaddr, len); - - /* Write the entire buffer. */ - - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - nindy_store_word (addr, buffer[i]); - if (errno) - return 0; - } - } - else - { - /* Read all the longwords */ - for (i = 0; i < count; i++, addr += sizeof (int)) - { - errno = 0; - buffer[i] = nindy_fetch_word (addr); - if (errno) - return 0; - QUIT; - } - - /* Copy appropriate bytes out of the buffer. */ - memcpy (myaddr, (char *) buffer + (memaddr & (sizeof (int) - 1)), len); - } - return len; + if (len <= 0) + return 0; + return dcache_xfer_memory (nindy_dcache, memaddr, myaddr, + len, should_write); } static void diff --git a/gdb/remote-utils.c b/gdb/remote-utils.c index 457d7b1..de0cbeb 100644 --- a/gdb/remote-utils.c +++ b/gdb/remote-utils.c @@ -618,27 +618,6 @@ gr_prepare_to_store () /* Do nothing, since we assume we can store individual regs */ } -/* Read a word from remote address ADDR and return it. - * This goes through the data cache. - */ -int -gr_fetch_word (addr) - CORE_ADDR addr; -{ - return dcache_fetch (gr_get_dcache (), addr); -} - -/* Write a word WORD into remote address ADDR. - This goes through the data cache. */ - -void -gr_store_word (addr, word) - CORE_ADDR addr; - int word; -{ - dcache_poke (gr_get_dcache (), addr, word); -} - void _initialize_sr_support () { diff --git a/gdb/remote-utils.h b/gdb/remote-utils.h index d82ea8d..75e852a 100644 --- a/gdb/remote-utils.h +++ b/gdb/remote-utils.h @@ -117,7 +117,6 @@ extern struct gr_settings *gr_settings; #define gr_expect_prompt() sr_expect(gr_get_prompt()) -int gr_fetch_word (CORE_ADDR addr); int gr_multi_scan (char *list[], int passthrough); int sr_get_hex_digit (int ignore_space); int sr_pollchar (void); @@ -132,7 +131,6 @@ void gr_generic_checkin (void); void gr_kill (void); void gr_mourn (void); void gr_prepare_to_store (void); -void gr_store_word (CORE_ADDR addr, int word); void sr_expect (char *string); void sr_get_hex_byte (char *byt); void sr_scan_args (char *proto, char *args); diff --git a/gdb/remote.c b/gdb/remote.c index 0e54af7..d43b81d 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -3209,43 +3209,8 @@ remote_store_registers (regno) remote_send (buf, PBUFSIZ); } - -/* Use of the data cache *used* to be 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. 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). - - Because it speeds so much up, it's now enabled, if you're playing - with registers you turn it of (set remotecache 0). */ - -/* Read a word from remote address ADDR and return it. - This goes through the data cache. */ - -#if 0 /* unused? */ -static int -remote_fetch_word (addr) - CORE_ADDR addr; -{ - return dcache_fetch (remote_dcache, addr); -} - -/* Write a word WORD into remote address ADDR. - This goes through the data cache. */ - -static void -remote_store_word (addr, word) - CORE_ADDR addr; - int word; -{ - dcache_poke (remote_dcache, addr, word); -} -#endif /* 0 (unused?) */ - /* Return the number of hex digits in num. */ static int |