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Remove MAX_REGISTER_SIZE from frv-linux-tdep.c

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gdb/
	* frv-linux-tdep.c (frv_linux_supply_gregset): Use raw_supply_zeroed.
	* regcache.c (regcache::raw_supply_zeroed): New function.
	* regcache.h (regcache::raw_supply_zeroed): New declaration.
This commit is contained in:
Alan Hayward 2017-05-03 14:51:40 +01:00
parent 35837774a7
commit f81fdd350e
4 changed files with 30 additions and 5 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2017-05-03 Alan Hayward <alan.hayward@arm.com>
* frv-linux-tdep.c (frv_linux_supply_gregset): Use raw_supply_zeroed.
* regcache.c (regcache::raw_supply_zeroed): New function.
* regcache.h (regcache::raw_supply_zeroed): New declaration.
2017-05-03 Simon Marchi <simon.marchi@ericsson.com>
* gdbarch.sh: Remove commented out definition of

7
gdb/frv-linux-tdep.c
View File

@ -413,17 +413,14 @@ frv_linux_supply_gregset (const struct regset *regset,
int regnum, const void *gregs, size_t len)
{
int regi;
char zerobuf[MAX_REGISTER_SIZE];
memset (zerobuf, 0, MAX_REGISTER_SIZE);
/* gr0 always contains 0. Also, the kernel passes the TBR value in
this slot. */
regcache_raw_supply (regcache, first_gpr_regnum, zerobuf);
regcache->raw_supply_zeroed (first_gpr_regnum);
/* Fill gr32, ..., gr63 with zeros. */
for (regi = first_gpr_regnum + 32; regi <= last_gpr_regnum; regi++)
regcache_raw_supply (regcache, regi, zerobuf);
regcache->raw_supply_zeroed (regi);
regcache_supply_regset (regset, regcache, regnum, gregs, len);
}

20
gdb/regcache.c
View File

@ -1199,6 +1199,26 @@ regcache::raw_supply (int regnum, const void *buf)
}
}
/* Supply register REGNUM with zeroed value to REGCACHE. This is not the same
as calling raw_supply with NULL (which will set the state to
unavailable). */
void
regcache::raw_supply_zeroed (int regnum)
{
void *regbuf;
size_t size;
gdb_assert (regnum >= 0 && regnum < m_descr->nr_raw_registers);
gdb_assert (!m_readonly_p);
regbuf = register_buffer (regnum);
size = m_descr->sizeof_register[regnum];
memset (regbuf, 0, size);
m_register_status[regnum] = REG_VALID;
}
/* Collect register REGNUM from REGCACHE and store its contents in BUF. */
void

2
gdb/regcache.h
View File

@ -294,6 +294,8 @@ class regcache
void raw_supply (int regnum, const void *buf);
void raw_supply_zeroed (int regnum);
enum register_status get_register_status (int regnum) const;
void raw_set_cached_value (int regnum, const gdb_byte *buf);