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Revision tags: llvmorg-21-init, llvmorg-19.1.7, llvmorg-19.1.6, llvmorg-19.1.5, llvmorg-19.1.4, llvmorg-19.1.3, llvmorg-19.1.2, llvmorg-19.1.1, llvmorg-19.1.0, llvmorg-19.1.0-rc4
# 0642cd76 27-Aug-2024 Adrian Prantl <aprantl@apple.com>

[lldb] Turn lldb_private::Status into a value type. (#106163)

This patch removes all of the Set.* methods from Status.

This cleanup is part of a series of patches that make it harder use the
ant

[lldb] Turn lldb_private::Status into a value type. (#106163)

This patch removes all of the Set.* methods from Status.

This cleanup is part of a series of patches that make it harder use the
anti-pattern of keeping a long-lives Status object around and updating
it while dropping any errors it contains on the floor.

This patch is largely NFC, the more interesting next steps this enables
is to:
1. remove Status.Clear()
2. assert that Status::operator=() never overwrites an error
3. remove Status::operator=()

Note that step (2) will bring 90% of the benefits for users, and step
(3) will dramatically clean up the error handling code in various
places. In the end my goal is to convert all APIs that are of the form

` ResultTy DoFoo(Status& error)
`
to

` llvm::Expected<ResultTy> DoFoo()
`
How to read this patch?

The interesting changes are in Status.h and Status.cpp, all other
changes are mostly

` perl -pi -e 's/\.SetErrorString/ = Status::FromErrorString/g' $(git
grep -l SetErrorString lldb/source)
`
plus the occasional manual cleanup.

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Revision tags: llvmorg-19.1.0-rc3, llvmorg-19.1.0-rc2, llvmorg-19.1.0-rc1, llvmorg-20-init
# a1ffabc4 16-Jul-2024 ita-sc <109672931+ita-sc@users.noreply.github.com>

[lldb][riscv] Fix setting breakpoint for undecoded instruction (#90075)

This patch adds an interface GetLastInstrSize to get information about
the size of last tried to be decoded instruction and

[lldb][riscv] Fix setting breakpoint for undecoded instruction (#90075)

This patch adds an interface GetLastInstrSize to get information about
the size of last tried to be decoded instruction and uses it to set
software breakpoint if the memory can be decoded as instruction.

RISC-V architecture instruction format specifies the length of
instruction in first bits, so we can set a breakpoint for these cases.
This is needed as RISCV have a lot of extensions, that are not supported
by `EmulateInstructionRISCV`.

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Revision tags: llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2, llvmorg-17.0.1, llvmorg-17.0.0, llvmorg-17.0.0-rc4, llvmorg-17.0.0-rc3, llvmorg-17.0.0-rc2, llvmorg-17.0.0-rc1, llvmorg-18-init, llvmorg-16.0.6, llvmorg-16.0.5, llvmorg-16.0.4, llvmorg-16.0.3, llvmorg-16.0.2, llvmorg-16.0.1, llvmorg-16.0.0, llvmorg-16.0.0-rc4, llvmorg-16.0.0-rc3, llvmorg-16.0.0-rc2, llvmorg-16.0.0-rc1, llvmorg-17-init, llvmorg-15.0.7
# f0f33957 08-Dec-2022 Hui Li <lihui@loongson.cn>

[LLDB][LoongArch] Make software single stepping work

Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongAr

[LLDB][LoongArch] Make software single stepping work

Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongArch
to implement the software Single Stepping. This patch only support the
simplest single step execution of non-jump instructions.

Reviewed By: SixWeining, DavidSpickett

Differential Revision: https://reviews.llvm.org/D139158

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# 2bfef8d5 08-Dec-2022 Weining Lu <luweining@loongson.cn>

Revert "[LLDB][LoongArch] Make software single stepping work"

This reverts commit 3a9e07b1e7f4718a0e117f3a732f1679c4bf2e30.

Reason to revert: author name is wrong.


# 3a9e07b1 08-Dec-2022 Weining Lu <luweining@loongson.cn>

[LLDB][LoongArch] Make software single stepping work

Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongAr

[LLDB][LoongArch] Make software single stepping work

Hardware single stepping is not currently supported by the linux kernel.
In order to support single step debugging, add EmulateInstructionLoongArch
to implement the software Single Stepping. This patch only support the
simplest single step execution of non-jump instructions.

Reviewed By: SixWeining, DavidSpickett

Differential Revision: https://reviews.llvm.org/D139158

show more ...


Revision tags: llvmorg-15.0.6, llvmorg-15.0.5, llvmorg-15.0.4, llvmorg-15.0.3, working, llvmorg-15.0.2, llvmorg-15.0.1, llvmorg-15.0.0, llvmorg-15.0.0-rc3
# 4fc7e9cb 16-Aug-2022 Emmmer <yjhdandan@163.com>

[LLDB][RISCV] Make software single stepping work

Add:
- `EmulateInstructionRISCV`, which can be used for riscv32 and riscv64.
- Add unittests for EmulateInstructionRISCV.

Note: Compressed instructi

[LLDB][RISCV] Make software single stepping work

Add:
- `EmulateInstructionRISCV`, which can be used for riscv32 and riscv64.
- Add unittests for EmulateInstructionRISCV.

Note: Compressed instructions set (RVC) was still not supported in this patch.

Reviewed By: DavidSpickett

Differential Revision: https://reviews.llvm.org/D131759

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# 95e2949a 16-Aug-2022 Emmmer <yjhdandan@163.com>

[LLDB] Fix possible nullptr exception

Some architectures do not have a flag register (like riscv).
In this case, we should set it to `baton.m_register_values.end()` to avoid nullptr exception.

Revi

[LLDB] Fix possible nullptr exception

Some architectures do not have a flag register (like riscv).
In this case, we should set it to `baton.m_register_values.end()` to avoid nullptr exception.

Reviewed By: DavidSpickett

Differential Revision: https://reviews.llvm.org/D131945

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Revision tags: llvmorg-15.0.0-rc2, llvmorg-15.0.0-rc1, llvmorg-16-init, llvmorg-14.0.6, llvmorg-14.0.5, llvmorg-14.0.4, llvmorg-14.0.3, llvmorg-14.0.2, llvmorg-14.0.1, llvmorg-14.0.0, llvmorg-14.0.0-rc4, llvmorg-14.0.0-rc3, llvmorg-14.0.0-rc2, llvmorg-14.0.0-rc1, llvmorg-15-init, llvmorg-13.0.1, llvmorg-13.0.1-rc3, llvmorg-13.0.1-rc2, llvmorg-13.0.1-rc1, llvmorg-13.0.0, llvmorg-13.0.0-rc4, llvmorg-13.0.0-rc3, llvmorg-13.0.0-rc2, llvmorg-13.0.0-rc1, llvmorg-14-init, llvmorg-12.0.1, llvmorg-12.0.1-rc4, llvmorg-12.0.1-rc3, llvmorg-12.0.1-rc2, llvmorg-12.0.1-rc1, llvmorg-12.0.0, llvmorg-12.0.0-rc5, llvmorg-12.0.0-rc4, llvmorg-12.0.0-rc3, llvmorg-12.0.0-rc2, llvmorg-11.1.0, llvmorg-11.1.0-rc3
# 8244fc50 28-Jan-2021 Michał Górny <mgorny@moritz.systems>

[lldb] [Process/FreeBSDRemote] Introduce mips64 support

Introduce mips64 support to match the legacy FreeBSD plugin. Similarly
to the legacy plugin, the code does not support FPU registers at the
mo

[lldb] [Process/FreeBSDRemote] Introduce mips64 support

Introduce mips64 support to match the legacy FreeBSD plugin. Similarly
to the legacy plugin, the code does not support FPU registers at the
moment. The support for them will be submitted separately as it
requires changes to the register context shared by both plugins.

This also includes software single-stepping support that is moved from
the Linux plugin into a common Utility class. The FreeBSD code also
starts explicitly ignoring EINVAL from PT_CLEARSTEP since this is easier
to implement than checking whether hardware single-stepping were used.

Differential Revision: https://reviews.llvm.org/D95802

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