[Lldb-commits] [PATCH] D158514: [lldb][AArch64] Invalidate SVG prior to reconfiguring ZA regdef
David Spickett via Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Tue Sep 19 02:00:45 PDT 2023
DavidSpickett updated this revision to Diff 557014.
DavidSpickett added a comment.
Rebase
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D158514/new/
https://reviews.llvm.org/D158514
Files:
lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
lldb/test/API/commands/register/register/aarch64_za_register/za_dynamic_resize/TestZAThreadedDynamic.py
Index: lldb/test/API/commands/register/register/aarch64_za_register/za_dynamic_resize/TestZAThreadedDynamic.py
===================================================================
--- lldb/test/API/commands/register/register/aarch64_za_register/za_dynamic_resize/TestZAThreadedDynamic.py
+++ lldb/test/API/commands/register/register/aarch64_za_register/za_dynamic_resize/TestZAThreadedDynamic.py
@@ -125,11 +125,13 @@
self.runCmd("thread select %d" % (idx + 1))
self.check_za_register(4, 2)
self.runCmd("register write vg 2")
+ self.check_disabled_za_register(2)
elif stopped_at_line_number == thY_break_line1:
self.runCmd("thread select %d" % (idx + 1))
self.check_za_register(2, 3)
self.runCmd("register write vg 4")
+ self.check_disabled_za_register(4)
self.runCmd("thread continue 2")
self.runCmd("thread continue 3")
Index: lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
===================================================================
--- lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
+++ lldb/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp
@@ -781,6 +781,11 @@
std::optional<uint64_t> svg_reg_value;
const RegisterInfo *svg_reg_info = m_reg_info_sp->GetRegisterInfo("svg");
if (svg_reg_info) {
+ // When vg is written it is automatically made invalid. Writing vg will also
+ // change svg if we're in streaming mode but it will not be made invalid
+ // so do this manually so the following read gets the latest svg value.
+ SetRegisterIsValid(svg_reg_info, false);
+
uint32_t svg_reg_num = svg_reg_info->kinds[eRegisterKindLLDB];
uint64_t reg_value = ReadRegisterAsUnsigned(svg_reg_num, fail_value);
if (reg_value != fail_value && reg_value <= 32)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D158514.557014.patch
Type: text/x-patch
Size: 1919 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/lldb-commits/attachments/20230919/0bb8cea6/attachment.bin>
More information about the lldb-commits
mailing list