From: Simon Marchi <simon.marchi@efficios.com>
To: gdb-patches@sourceware.org
Cc: Luis Machado <luis.machado@arm.com>,
John Baldwin <jhb@freebsd.org>,
Andrew Burgess <aburgess@redhat.com>,
Simon Marchi <simon.marchi@efficios.com>,
John Baldwin <jhb@FreeBSD.org>
Subject: [PATCH v2 09/24] gdb: remove frame_register
Date: Fri, 24 Nov 2023 16:26:26 -0500 [thread overview]
Message-ID: <20231124212656.96801-10-simon.marchi@efficios.com> (raw)
In-Reply-To: <20231124212656.96801-1-simon.marchi@efficios.com>
I was going to change frame_register to take the "next frame", but I
realized that doing so would make it a useless wrapper around
frame_register_unwind. So, just remove frame_register and replace uses
with frame_register_unwind.
Change-Id: I185868bc69f8e098124775d0550d069220a4678a
Reviewed-By: John Baldwin <jhb@FreeBSD.org>
---
gdb/frame.c | 39 ++++++++-------------------------------
1 file changed, 8 insertions(+), 31 deletions(-)
diff --git a/gdb/frame.c b/gdb/frame.c
index 73acd47154e3..02c0b23464d3 100644
--- a/gdb/frame.c
+++ b/gdb/frame.c
@@ -1214,31 +1214,6 @@ frame_register_unwind (frame_info_ptr next_frame, int regnum,
release_value (value);
}
-/* Get the value of the register that belongs to this FRAME. This
- function is a wrapper to the call sequence ``frame_register_unwind
- (get_next_frame (FRAME))''. As per frame_register_unwind(), if
- VALUEP is NULL, the registers value is not fetched/computed. */
-
-static void
-frame_register (frame_info_ptr frame, int regnum,
- int *optimizedp, int *unavailablep, enum lval_type *lvalp,
- CORE_ADDR *addrp, int *realnump, gdb_byte *bufferp)
-{
- /* Require all but BUFFERP to be valid. A NULL BUFFERP indicates
- that the value proper does not need to be fetched. */
- gdb_assert (optimizedp != NULL);
- gdb_assert (lvalp != NULL);
- gdb_assert (addrp != NULL);
- gdb_assert (realnump != NULL);
- /* gdb_assert (bufferp != NULL); */
-
- /* Obtain the register value by unwinding the register from the next
- (more inner frame). */
- gdb_assert (frame != NULL && frame->next != NULL);
- frame_register_unwind (frame_info_ptr (frame->next), regnum, optimizedp,
- unavailablep, lvalp, addrp, realnump, bufferp);
-}
-
void
frame_unwind_register (frame_info_ptr next_frame, int regnum, gdb_byte *buf)
{
@@ -1436,8 +1411,8 @@ put_frame_register (frame_info_ptr frame, int regnum,
gdb_assert (buf.size () == size);
- frame_register (frame, regnum, &optim, &unavail,
- &lval, &addr, &realnum, NULL);
+ frame_register_unwind (get_next_frame_sentinel_okay (frame), regnum, &optim,
+ &unavail, &lval, &addr, &realnum, nullptr);
if (optim)
error (_("Attempt to assign to a register that was not saved."));
switch (lval)
@@ -1473,8 +1448,9 @@ deprecated_frame_register_read (frame_info_ptr frame, int regnum,
CORE_ADDR addr;
int realnum;
- frame_register (frame, regnum, &optimized, &unavailable,
- &lval, &addr, &realnum, myaddr);
+ frame_register_unwind (get_next_frame_sentinel_okay (frame), regnum,
+ &optimized, &unavailable, &lval, &addr, &realnum,
+ myaddr);
return !optimized && !unavailable;
}
@@ -1523,8 +1499,9 @@ get_frame_register_bytes (frame_info_ptr frame, int regnum,
CORE_ADDR addr;
int realnum;
- frame_register (frame, regnum, optimizedp, unavailablep, &lval,
- &addr, &realnum, buffer.data ());
+ frame_register_unwind (get_next_frame_sentinel_okay (frame), regnum,
+ optimizedp, unavailablep, &lval, &addr,
+ &realnum, buffer.data ());
if (*optimizedp || *unavailablep)
return false;
}
--
2.43.0
next prev parent reply other threads:[~2023-11-24 21:29 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-24 21:26 [PATCH v2 00/24] Fix reading and writing pseudo registers in non-current frames Simon Marchi
2023-11-24 21:26 ` [PATCH v2 01/24] gdb: don't handle i386 k registers as pseudo registers Simon Marchi
2023-11-24 21:26 ` [PATCH v2 02/24] gdb: use reg_buffer_common throughout gdbsupport/common-regcache.h Simon Marchi
2023-11-30 11:45 ` Aktemur, Tankut Baris
2023-11-30 21:02 ` Simon Marchi
2023-11-30 16:11 ` Aktemur, Tankut Baris
2023-11-30 18:01 ` Simon Marchi
2023-11-24 21:26 ` [PATCH v2 03/24] gdb: make store_integer take an array_view Simon Marchi
2023-11-30 11:40 ` Aktemur, Tankut Baris
2023-11-30 17:51 ` Simon Marchi
2023-11-24 21:26 ` [PATCH v2 04/24] gdb: simplify conditions in regcache::{read,write,raw_collect,raw_supply}_part Simon Marchi
2023-11-24 21:26 ` [PATCH v2 05/24] gdb: change regcache interface to use array_view Simon Marchi
2023-11-30 17:58 ` Aktemur, Tankut Baris
2023-11-30 20:09 ` Simon Marchi
2023-11-24 21:26 ` [PATCH v2 06/24] gdb: fix bugs in {get,put}_frame_register_bytes Simon Marchi
2023-11-24 21:26 ` [PATCH v2 07/24] gdb: make put_frame_register take an array_view Simon Marchi
2023-11-24 21:26 ` [PATCH v2 08/24] gdb: change value_of_register and value_of_register_lazy to take the next frame Simon Marchi
2023-11-24 21:26 ` Simon Marchi [this message]
2023-11-24 21:26 ` [PATCH v2 10/24] gdb: make put_frame_register " Simon Marchi
2023-11-24 21:26 ` [PATCH v2 11/24] gdb: make put_frame_register_bytes " Simon Marchi
2023-11-24 21:26 ` [PATCH v2 12/24] gdb: make get_frame_register_bytes " Simon Marchi
2023-11-24 21:26 ` [PATCH v2 13/24] gdb: add value::allocate_register Simon Marchi
2023-11-24 21:26 ` [PATCH v2 14/24] gdb: read pseudo register through frame Simon Marchi
2023-11-24 21:26 ` [PATCH v2 15/24] gdb: change parameter name in frame_unwind_register_unsigned declaration Simon Marchi
2023-11-24 21:26 ` [PATCH v2 16/24] gdb: rename gdbarch_pseudo_register_write to gdbarch_deprecated_pseudo_register_write Simon Marchi
2023-11-24 21:26 ` [PATCH v2 17/24] gdb: add gdbarch_pseudo_register_write that takes a frame Simon Marchi
2023-11-24 21:26 ` [PATCH v2 18/24] gdb: migrate i386 and amd64 to the new gdbarch_pseudo_register_write Simon Marchi
2023-11-24 21:26 ` [PATCH v2 19/24] gdb: make aarch64_za_offsets_from_regnum return za_offsets Simon Marchi
2023-11-27 11:42 ` Luis Machado
2023-11-27 15:56 ` Simon Marchi
2023-11-24 21:26 ` [PATCH v2 20/24] gdb: add missing raw register read in aarch64_sme_pseudo_register_write Simon Marchi
2023-11-27 11:43 ` Luis Machado
2023-11-27 15:57 ` Simon Marchi
2023-11-24 21:26 ` [PATCH v2 21/24] gdb: migrate aarch64 to new gdbarch_pseudo_register_write Simon Marchi
2023-11-28 12:35 ` Luis Machado
2023-11-24 21:26 ` [PATCH v2 22/24] gdb: migrate arm to gdbarch_pseudo_register_read_value Simon Marchi
2023-11-27 16:42 ` Luis Machado
2023-11-24 21:26 ` [PATCH v2 23/24] gdb: migrate arm to new gdbarch_pseudo_register_write Simon Marchi
2023-11-27 16:42 ` Luis Machado
2023-11-24 21:26 ` [PATCH v2 24/24] gdb/testsuite: add tests for unwinding of pseudo registers Simon Marchi
2023-11-27 11:53 ` Luis Machado
2023-11-27 15:59 ` Simon Marchi
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