[Lldb-commits] [lldb] 04bbbba - Skip TestAddressMasks API tests on 32-bit arm
Jason Molenda via lldb-commits
lldb-commits at lists.llvm.org
Wed Mar 6 10:58:11 PST 2024
Author: Jason Molenda
Date: 2024-03-06T10:58:03-08:00
New Revision: 04bbbba271ebe4c2421f34a4fbf34c328df9f111
URL: https://github.com/llvm/llvm-project/commit/04bbbba271ebe4c2421f34a4fbf34c328df9f111
DIFF: https://github.com/llvm/llvm-project/commit/04bbbba271ebe4c2421f34a4fbf34c328df9f111.diff
LOG: Skip TestAddressMasks API tests on 32-bit arm
TestAddressMasks failed on the lldb-arm-buntu bot with the
Code address mask test,
mask = process.GetAddressMask(lldb.eAddressMaskTypeAny)
process.SetAddressMask(lldb.eAddressMaskTypeCode, mask | 0x3)
self.assertEqual(
0x000002950001F694,
process.FixAddress(0x00265E950001F697, lldb.eAddressMaskTypeCode),
)
The API returned 0x000002950001f694 instead of the expected
0x00265e950001f696. The low bits differ because ABISysV_arm hardcodes
the Code address mask to clear the 0th bit, it doesn't use the
Process code mask. I didn't debug why some of the high bytes were
dropped. The address mask APIs are only important on 64-bit targets,
where many of the bits are not used for addressing and are used for
metadata instead, so I'm going to skip these tests on 32-bit arm
instead of debugging.
Added:
Modified:
lldb/test/API/python_api/process/address-masks/TestAddressMasks.py
Removed:
################################################################################
diff --git a/lldb/test/API/python_api/process/address-masks/TestAddressMasks.py b/lldb/test/API/python_api/process/address-masks/TestAddressMasks.py
index e0a570c15961c2..152776efc726f2 100644
--- a/lldb/test/API/python_api/process/address-masks/TestAddressMasks.py
+++ b/lldb/test/API/python_api/process/address-masks/TestAddressMasks.py
@@ -19,6 +19,7 @@ def reset_all_masks(self, process):
self.runCmd("settings set target.process.virtual-addressable-bits 0")
self.runCmd("settings set target.process.highmem-virtual-addressable-bits 0")
+ @skipIf(archs=["arm"]) # 32-bit arm ABI hardcodes Code mask, is 32-bit
def test_address_masks(self):
self.build()
(target, process, t, bp) = lldbutil.run_to_source_breakpoint(
@@ -79,6 +80,7 @@ def test_address_masks(self):
# AArch64 can have
diff erent address masks for high and low memory, when
diff erent
# page tables are set up.
@skipIf(archs=no_match(["arm64", "arm64e", "aarch64"]))
+ @skipIf(archs=["arm"]) # 32-bit arm ABI hardcodes Code mask, is 32-bit
def test_address_masks_target_supports_highmem_tests(self):
self.build()
(target, process, t, bp) = lldbutil.run_to_source_breakpoint(
@@ -111,6 +113,7 @@ def test_address_masks_target_supports_highmem_tests(self):
# On most targets where we have a single mask for all address range, confirm
# that the high memory masks are ignored.
@skipIf(archs=["arm64", "arm64e", "aarch64"])
+ @skipIf(archs=["arm"]) # 32-bit arm ABI hardcodes Code mask, is 32-bit
def test_address_masks_target_no_highmem(self):
self.build()
(target, process, t, bp) = lldbutil.run_to_source_breakpoint(
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