Discussion:
[PATCH v3 00/13] Regset rework preparations part 2
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Andreas Arnez
2014-07-31 10:52:33 UTC
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Version 2 is here:

https://sourceware.org/ml/gdb-patches/2014-06/msg00881.html

Changes in version 3:

* Add new (optional) field 'size' to struct regcache_map_entry. Exploit
this in most regmaps.

* regcache_supply/collect_regset: Support the new 'size' field. Also
treat the case of a single register more efficiently. In order to
reduce code duplication, combine the supply- and collect-logic in one
local worker function.

* S390: Correct s390_regmap_last_break.

* HPPA: Set slot size for each FP register to 4, to replicate original
behavior. Add "FIXME" comment, since this doesn't seem to match the
register types in 64-bit mode.

* SCORE: Avoid negative offsets in regmap and add explicit logic for
supplying EPC from same slot as PC.

* TILEGX: Use 8-byte slots for all registers, including the PC.

* M68K: Set slot size for each FP register to 12, even on ColdFire,
where FP regs are just 8 bytes long and thus leave gaps. Also
increase M68K_LINUX_GREGS_SIZE to (20 * 4).

* Correct IA64_LINUX_GREGS_SIZE and IA64_LINUX_FPREGS_SIZE.

Andreas Arnez (13):
Rename 'descr' field in regset structure to 'regmap'.
regcache: Add functions suitable for regset_supply/collect.
S390: Migrate to regcache_supply/collect_regset.
AARCH64 Linux: Fill 'collect_regset' in regset structures.
ALPHA Linux: Fill 'collect_regset' in regset structures.
FRV Linux: Fill 'collect_regset' in regset structures.
HPPA Linux: Fill 'collect_regset' in regset structures.
M32R Linux: Fill 'collect_regset' in regset structure.
NIOS2 Linux: Fill 'collect_regset' in regset structure.
SCORE: Fill 'collect_regset' in regset structure.
TILEGX Linux: Fill 'collect_regset' in regset structure.
M68K Linux: Define regset structures.
IA64 Linux: Define regset structures.

gdb/aarch64-linux-nat.c | 38 ++-----
gdb/aarch64-linux-tdep.c | 90 ++++-----------
gdb/aarch64-linux-tdep.h | 18 ++-
gdb/alpha-linux-tdep.c | 56 ++++++----
gdb/frv-linux-tdep.c | 141 +++++++++---------------
gdb/hppa-linux-tdep.c | 103 ++++++-----------
gdb/ia64-linux-tdep.c | 90 +++++++++++++++
gdb/m32r-linux-tdep.c | 79 +++++++++++---
gdb/m68klinux-tdep.c | 66 +++++++++++
gdb/nios2-linux-tdep.c | 21 +++-
gdb/ppc-linux-tdep.c | 4 +-
gdb/regcache.c | 87 +++++++++++++++
gdb/regcache.h | 45 ++++++++
gdb/regset.h | 7 +-
gdb/rs6000-tdep.c | 12 +-
gdb/s390-linux-nat.c | 177 +++++++++++++-----------------
gdb/s390-linux-tdep.c | 279 ++++++++++-------------------------------------
gdb/s390-linux-tdep.h | 13 +--
gdb/score-tdep.c | 86 +++++++--------
gdb/score-tdep.h | 34 +-----
gdb/tilegx-linux-tdep.c | 34 ++----
gdb/tilegx-tdep.h | 1 +
22 files changed, 748 insertions(+), 733 deletions(-)
--
1.8.4.2
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