https://github.com/satyajanga updated
https://github.com/llvm/llvm-project/pull/150268
>From a49fa554e22c870abc2d15d6619929413ce59f11 Mon Sep 17 00:00:00 2001
From: satya janga <satyaja...@fb.com>
Date: Wed, 23 Jul 2025 09:47:31 -0700
Subject: [PATCH] support ieee_single and ieee_double gdbtypes for registers
---
.../Plugins/Process/gdb-remote/ProcessGDBRemote.cpp | 3 ++-
.../gdb_remote_client/TestGDBServerTargetXML.py | 11 +++++++++++
2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
index a2c34ddfc252e..4c6d584383747 100644
--- a/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
+++ b/lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
@@ -4783,7 +4783,8 @@ bool ParseRegisters(
} else if (gdb_type == "data_ptr" || gdb_type == "code_ptr") {
reg_info.format = eFormatAddressInfo;
reg_info.encoding = eEncodingUint;
- } else if (gdb_type == "float") {
+ } else if (gdb_type == "float" || gdb_type == "ieee_single" ||
+ gdb_type == "ieee_double") {
reg_info.format = eFormatFloat;
reg_info.encoding = eEncodingIEEE754;
} else if (gdb_type == "aarch64v" ||
diff --git
a/lldb/test/API/functionalities/gdb_remote_client/TestGDBServerTargetXML.py
b/lldb/test/API/functionalities/gdb_remote_client/TestGDBServerTargetXML.py
index 9a70f67b264ce..db5b5a0e0d0cb 100644
--- a/lldb/test/API/functionalities/gdb_remote_client/TestGDBServerTargetXML.py
+++ b/lldb/test/API/functionalities/gdb_remote_client/TestGDBServerTargetXML.py
@@ -692,6 +692,9 @@ class MyResponder(MockGDBServerResponder):
"0102030405060708" # t4
"0102030405060708" # t5
"0102030405060708" # t6
+ "6162636465666768" # pc
+ "0000C03F" # ft0
+ "e07a6147a8a40940" # ft1
)
def qXferRead(self, obj, annex, offset, length):
@@ -737,6 +740,10 @@ def qXferRead(self, obj, annex, offset, length):
<reg name="t6" bitsize="64" type="int"/>
<reg name="pc" bitsize="64" type="code_ptr"/>
</feature>
+ <feature name='org.gnu.gdb.riscv.fpu'>
+ <reg name='ft0' bitsize='32'
type='ieee_single'/>
+ <reg name='ft1' bitsize='64'
type='ieee_double'/>
+ </feature>
</target>""",
False,
)
@@ -799,6 +806,10 @@ def haltReason(self):
self.match("register read x29", ["t4 = 0x0807060504030201"])
self.match("register read x30", ["t5 = 0x0807060504030201"])
self.match("register read x31", ["t6 = 0x0807060504030201"])
+ self.match("register read pc", ["pc = 0x6867666564636261"])
+ # test FPU registers
+ self.match("register read ft0", ["ft0 = 1.5"])
+ self.match("register read ft1", ["ft1 = 3.2053990913985757"])
@skipIfXmlSupportMissing
@skipIfRemote
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