From: Mark Kettenis Date: Sat, 13 Jan 2007 22:32:14 +0000 (+0000) Subject: * regcache.c, regcache.h (deprecated_register_bytes) X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=23303b2e52b988765b748cc7ab8652d8e0225585;p=binutils-gdb.git * regcache.c, regcache.h (deprecated_register_bytes) (deprecated_read_register_bytes) (deprecated_write_register_bytes): Remove. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 678b9f6788c..0c42a2740d7 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,9 @@ 2007-01-13 Mark Kettenis + * regcache.c, regcache.h (deprecated_register_bytes) + (deprecated_read_register_bytes) + (deprecated_write_register_bytes): Remove. + * frame.c (get_frame_register_bytes, put_frame_register_bytes): Don't forget to move destination pointer. diff --git a/gdb/regcache.c b/gdb/regcache.c index d7d809afa5b..508d3a2816e 100644 --- a/gdb/regcache.c +++ b/gdb/regcache.c @@ -495,84 +495,6 @@ deprecated_registers_fetched (void) Fetching all real regs NEVER accounts for pseudo-regs. */ } -/* deprecated_read_register_bytes and deprecated_write_register_bytes - are generally a *BAD* idea. They are inefficient because they need - to check for partial updates, which can only be done by scanning - through all of the registers and seeing if the bytes that are being - read/written fall inside of an invalid register. [The main reason - this is necessary is that register sizes can vary, so a simple - index won't suffice.] It is far better to call read_register_gen - and write_register_gen if you want to get at the raw register - contents, as it only takes a regnum as an argument, and therefore - can't do a partial register update. - - Prior to the recent fixes to check for partial updates, both read - and deprecated_write_register_bytes always checked to see if any - registers were stale, and then called target_fetch_registers (-1) - to update the whole set. This caused really slowed things down for - remote targets. */ - -/* Copy INLEN bytes of consecutive data from registers - starting with the INREGBYTE'th byte of register data - into memory at MYADDR. */ - -void -deprecated_read_register_bytes (int in_start, gdb_byte *in_buf, int in_len) -{ - int in_end = in_start + in_len; - int regnum; - gdb_byte reg_buf[MAX_REGISTER_SIZE]; - - /* See if we are trying to read bytes from out-of-date registers. If so, - update just those registers. */ - - for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) - { - int reg_start; - int reg_end; - int reg_len; - int start; - int end; - int byte; - - reg_start = DEPRECATED_REGISTER_BYTE (regnum); - reg_len = register_size (current_gdbarch, regnum); - reg_end = reg_start + reg_len; - - if (reg_end <= in_start || in_end <= reg_start) - /* The range the user wants to read doesn't overlap with regnum. */ - continue; - - if (REGISTER_NAME (regnum) != NULL && *REGISTER_NAME (regnum) != '\0') - /* Force the cache to fetch the entire register. */ - deprecated_read_register_gen (regnum, reg_buf); - - /* Legacy note: This function, for some reason, allows a NULL - input buffer. If the buffer is NULL, the registers are still - fetched, just the final transfer is skipped. */ - if (in_buf == NULL) - continue; - - /* start = max (reg_start, in_start) */ - if (reg_start > in_start) - start = reg_start; - else - start = in_start; - - /* end = min (reg_end, in_end) */ - if (reg_end < in_end) - end = reg_end; - else - end = in_end; - - /* Transfer just the bytes common to both IN_BUF and REG_BUF */ - for (byte = start; byte < end; byte++) - { - in_buf[byte - in_start] = reg_buf[byte - reg_start]; - } - } -} - void regcache_raw_read (struct regcache *regcache, int regnum, gdb_byte *buf) { @@ -787,55 +709,6 @@ regcache_cooked_write (struct regcache *regcache, int regnum, regnum, buf); } -/* Copy INLEN bytes of consecutive data from memory at MYADDR - into registers starting with the MYREGSTART'th byte of register data. */ - -void -deprecated_write_register_bytes (int myregstart, gdb_byte *myaddr, int inlen) -{ - int myregend = myregstart + inlen; - int regnum; - - target_prepare_to_store (); - - /* Scan through the registers updating any that are covered by the - range myregstart<=>myregend using write_register_gen, which does - nice things like handling threads, and avoiding updates when the - new and old contents are the same. */ - - for (regnum = 0; regnum < NUM_REGS + NUM_PSEUDO_REGS; regnum++) - { - int regstart, regend; - - regstart = DEPRECATED_REGISTER_BYTE (regnum); - regend = regstart + register_size (current_gdbarch, regnum); - - /* Is this register completely outside the range the user is writing? */ - if (myregend <= regstart || regend <= myregstart) - /* do nothing */ ; - - /* Is this register completely within the range the user is writing? */ - else if (myregstart <= regstart && regend <= myregend) - deprecated_write_register_gen (regnum, myaddr + (regstart - myregstart)); - - /* The register partially overlaps the range being written. */ - else - { - gdb_byte regbuf[MAX_REGISTER_SIZE]; - /* What's the overlap between this register's bytes and - those the caller wants to write? */ - int overlapstart = max (regstart, myregstart); - int overlapend = min (regend, myregend); - - /* We may be doing a partial update of an invalid register. - Update it from the target before scribbling on it. */ - deprecated_read_register_gen (regnum, regbuf); - - target_store_registers (regnum); - } - } -} - /* Perform a partial register transfer using a read, modify, write operation. */ @@ -931,14 +804,6 @@ register_offset_hack (struct gdbarch *gdbarch, int regnum) return descr->register_offset[regnum]; } -/* Hack to keep code using register_bytes working. */ - -int -deprecated_register_bytes (void) -{ - return current_regcache->descr->sizeof_raw_registers; -} - /* Return the contents of register REGNUM as an unsigned integer. */ ULONGEST diff --git a/gdb/regcache.h b/gdb/regcache.h index acab0925e57..309ddb30aab 100644 --- a/gdb/regcache.h +++ b/gdb/regcache.h @@ -114,10 +114,6 @@ extern void regcache_raw_collect (const struct regcache *regcache, extern int register_offset_hack (struct gdbarch *gdbarch, int regnum); -/* Similar. The total number of bytes occupied by a regcache. */ - -extern int deprecated_register_bytes (void ); - /* The type of a register. This function is slightly more efficient then its gdbarch vector counterpart since it returns a precomputed @@ -178,10 +174,6 @@ extern void regcache_cpy_no_passthrough (struct regcache *dest, struct regcache extern gdb_byte *deprecated_grub_regcache_for_registers (struct regcache *); extern void deprecated_read_register_gen (int regnum, gdb_byte *myaddr); extern void deprecated_write_register_gen (int regnum, gdb_byte *myaddr); -extern void deprecated_read_register_bytes (int regbyte, gdb_byte *myaddr, - int len); -extern void deprecated_write_register_bytes (int regbyte, gdb_byte *myaddr, - int len); /* NOTE: cagney/2002-11-05: This function has been superseeded by regcache_raw_supply(). */