linux-kernel - [PATCH v2] Support rv32 ULEB128 test

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Date:   Wed, 22 Nov 2023 15:35:54 -0800
From:   Charlie Jenkins <charlie@...osinc.com>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Randy Dunlap <rdunlap@...radead.org>,
        Ron Economos <re@...z.net>
Cc:     Palmer Dabbelt <palmer@...osinc.com>,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Charlie Jenkins <charlie@...osinc.com>
Subject: [PATCH v2] Support rv32 ULEB128 test

Use opcodes available to both rv32 and rv64 in uleb128 module linking
test.

Fixes: af71bc194916 ("riscv: Add tests for riscv module loading")
Signed-off-by: Charlie Jenkins <charlie@...osinc.com>
Reported-by: Randy Dunlap <rdunlap@...radead.org>
Closes: https://lore.kernel.org/lkml/1d7c71ee-5742-4df4-b8ef-a2aea0a624eb@infradead.org/
Tested-by: Randy Dunlap <rdunlap@...radead.org> # build-tested
---
Support module linking tests on rv32 toolchains with uleb128 support.
---
Changes in v2:
- Drop patch covered in different series
- Link to v1: https://lore.kernel.org/r/20231117-module_fixup-v1-0-62bb777f6825@rivosinc.com
---
 arch/riscv/kernel/tests/module_test/test_uleb128.S | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/kernel/tests/module_test/test_uleb128.S b/arch/riscv/kernel/tests/module_test/test_uleb128.S
index 90f22049d553..8515ed7cd8c1 100644
--- a/arch/riscv/kernel/tests/module_test/test_uleb128.S
+++ b/arch/riscv/kernel/tests/module_test/test_uleb128.S
@@ -6,13 +6,13 @@
 .text
 .global test_uleb_basic
 test_uleb_basic:
-	ld	a0, second
+	lw	a0, second
 	addi	a0, a0, -127
 	ret
 
 .global test_uleb_large
 test_uleb_large:
-	ld	a0, fourth
+	lw	a0, fourth
 	addi	a0, a0, -0x07e8
 	ret
 
@@ -22,10 +22,10 @@ first:
 second:
 	.reloc second, R_RISCV_SET_ULEB128, second
 	.reloc second, R_RISCV_SUB_ULEB128, first
-	.dword 0
+	.word 0
 third:
 	.space 1000
 fourth:
 	.reloc fourth, R_RISCV_SET_ULEB128, fourth
 	.reloc fourth, R_RISCV_SUB_ULEB128, third
-	.dword 0
+	.word 0

---
base-commit: 9bacdd8996c77c42ca004440be610692275ff9d0
change-id: 20231117-module_fixup-699787d9c567
-- 
- Charlie