6ab8927931
Similar to D72215 (AArch64) and D72220 (x86).
```
% clang -target riscv32 -march=rv64g -c -fpatchable-function-entry=2 a.c && llvm-objdump -dr a.o
...
0000000000000000 <main>:
0: 13 00 00 00 nop
4: 13 00 00 00 nop
% clang -target riscv32 -march=rv64gc -c -fpatchable-function-entry=2 a.c && llvm-objdump -dr a.o
...
00000002 <main>:
2: 01 00 nop
4: 01 00 nop
```
Recently the mainline kernel started to use -fpatchable-function-entry=8 for riscv (https://git.kernel.org/linus/afc76b8b80112189b6f11e67e19cf58301944814).
Differential Revision: https://reviews.llvm.org/D98610
22 lines
1.6 KiB
C
22 lines
1.6 KiB
C
// RUN: %clang -target i386 %s -fpatchable-function-entry=1 -c -### 2>&1 | FileCheck %s
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// RUN: %clang -target x86_64 %s -fpatchable-function-entry=1 -c -### 2>&1 | FileCheck %s
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// RUN: %clang -target aarch64 %s -fpatchable-function-entry=1 -c -### 2>&1 | FileCheck %s
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// RUN: %clang -target aarch64 %s -fpatchable-function-entry=1,0 -c -### 2>&1 | FileCheck %s
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// RUN: %clang -target riscv32 %s -fpatchable-function-entry=1,0 -c -### 2>&1 | FileCheck %s
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// RUN: %clang -target riscv64 %s -fpatchable-function-entry=1,0 -c -### 2>&1 | FileCheck %s
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// CHECK: "-fpatchable-function-entry=1"
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// RUN: %clang -target aarch64 -fsyntax-only %s -fpatchable-function-entry=1,1 -c -### 2>&1 | FileCheck --check-prefix=11 %s
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// 11: "-fpatchable-function-entry=1" "-fpatchable-function-entry-offset=1"
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// RUN: %clang -target aarch64 -fsyntax-only %s -fpatchable-function-entry=2,1 -c -### 2>&1 | FileCheck --check-prefix=21 %s
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// 21: "-fpatchable-function-entry=2" "-fpatchable-function-entry-offset=1"
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// RUN: not %clang -target ppc64 -fsyntax-only %s -fpatchable-function-entry=1 2>&1 | FileCheck --check-prefix=TARGET %s
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// TARGET: error: unsupported option '-fpatchable-function-entry=1' for target 'ppc64'
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// RUN: not %clang -target x86_64 -fsyntax-only %s -fpatchable-function-entry=1,0, 2>&1 | FileCheck --check-prefix=EXCESS %s
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// EXCESS: error: invalid argument '1,0,' to -fpatchable-function-entry=
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// RUN: not %clang -target aarch64-linux -fsyntax-only %s -fxray-instrument -fpatchable-function-entry=1 2>&1 | FileCheck --check-prefix=XRAY %s
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// XRAY: error: invalid argument '-fxray-instrument' not allowed with '-fpatchable-function-entry='
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