New regcache_raw_get_signed

This patch adds a new regcache api regcache_raw_get_signed.

gdb:

2016-11-22  Yao Qi  <yao.qi@linaro.org>

	* regcache.c (regcache_raw_get_signed): New function.
	* regcache.h (regcache_raw_get_signed): Declare.
This commit is contained in:
Yao Qi 2016-11-22 14:05:04 +00:00
parent 6884417a0f
commit 9fd15b2e80
3 changed files with 24 additions and 0 deletions

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@ -1,3 +1,8 @@
2016-11-22 Yao Qi <yao.qi@linaro.org>
* regcache.c (regcache_raw_get_signed): New function.
* regcache.h (regcache_raw_get_signed): Declare.
2016-11-22 Yao Qi <yao.qi@linaro.org>
* value.c (value_from_component): Use VALUE_NEXT_FRAME_ID

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@ -742,6 +742,19 @@ regcache_raw_write_unsigned (struct regcache *regcache, int regnum,
regcache_raw_write (regcache, regnum, buf);
}
LONGEST
regcache_raw_get_signed (struct regcache *regcache, int regnum)
{
LONGEST value;
enum register_status status;
status = regcache_raw_read_signed (regcache, regnum, &value);
if (status == REG_UNAVAILABLE)
throw_error (NOT_AVAILABLE_ERROR,
_("Register %d is not available"), regnum);
return value;
}
enum register_status
regcache_cooked_read (struct regcache *regcache, int regnum, gdb_byte *buf)
{

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@ -66,6 +66,12 @@ extern void regcache_raw_write_signed (struct regcache *regcache,
extern void regcache_raw_write_unsigned (struct regcache *regcache,
int regnum, ULONGEST val);
/* Return the register's value in signed or throw if it's not
available. */
extern LONGEST regcache_raw_get_signed (struct regcache *regcache,
int regnum);
/* Set a raw register's value in the regcache's buffer. Unlike
regcache_raw_write, this is not write-through. The intention is
allowing to change the buffer contents of a read-only regcache