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Add testing for all handled relocs
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‎lld/test/wasm/compress-relocs.ll

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‎lld/test/wasm/compress-relocs.s

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# RUN: llvm-mc -mattr=+reference-types,+exception-handling -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
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# RUN: wasm-ld --export-dynamic -o %t.wasm %t.o
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# RUN: llvm-objdump -d %t.wasm | FileCheck %s
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# RUN: wasm-ld --export-dynamic -O2 -o %t-opt.wasm %t.o
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# RUN: llvm-objdump -d %t-opt.wasm | FileCheck %s
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# RUN: not wasm-ld --compress-relocations -o %t-compressed.wasm %t.o 2>&1 | FileCheck %s -check-prefix=ERROR
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# RUN: wasm-ld --export-dynamic --strip-debug --compress-relocations -o %t-compressed.wasm %t.o
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# RUN: llvm-objdump -d %t-compressed.wasm | FileCheck %s -check-prefix=COMPRESS
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.globl _start
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_start:
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.functype _start () -> ()
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end_function
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.globl func_ret_i64
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func_ret_i64:
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.functype func_ret_i64 () -> (i64)
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i64.const 1
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end_function
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.globl func_ret_i32
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func_ret_i32:
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.functype func_ret_i32 () -> (i32)
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i32.const 2
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end_function
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i32_global:
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.globaltype i32_global, i32
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i32_tag:
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.tagtype i32_tag i32
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.globl test_memory_and_indirect_call_relocs
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test_memory_and_indirect_call_relocs:
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.functype test_memory_and_indirect_call_relocs () -> ()
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i32.const indirect_func_ret_i64 # R_WASM_MEMORY_ADDR_SLEB
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i32.load 0
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call_indirect () -> (i64) # R_WASM_TYPE_INDEX_LEB, R_WASM_TABLE_NUMBER_LEB
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drop
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i32.const 0
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i32.load indirect_func_ret_i32 # R_WASM_MEMORY_ADDR_LEB
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call_indirect () -> (i32)
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drop
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i32.const func_ret_i64 # R_WASM_TABLE_INDEX_SLEB
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call_indirect () -> (i64)
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drop
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end_function
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# CHECK: test_memory_and_indirect_call_relocs
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# CHECK: 41 90 88 80 80 00 i32.const 1040
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# CHECK: 11 80 80 80 80 00 80 80 80 80 00 call_indirect 0
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# CHECK: 28 02 94 88 80 80 00 i32.load 1044
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# CHECK: 11 81 80 80 80 00 80 80 80 80 00 call_indirect 1
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# CHECK: 41 81 80 80 80 00 i32.const 1
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# CHECK: 11 80 80 80 80 00 80 80 80 80 00 call_indirect 0
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# COMPRESS: test_memory_and_indirect_call_relocs
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# COMPRESS: 41 90 08 i32.const 1040
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# COMPRESS: 11 00 00 call_indirect 0
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# COMPRESS: 28 02 94 08 i32.load 1044
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# COMPRESS: 11 01 00 call_indirect 1
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# COMPRESS: 41 01 i32.const 1
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# COMPRESS: 11 00 00 call_indirect 0
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.globl test_simple_index_relocs
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test_simple_index_relocs:
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.functype test_simple_index_relocs () -> ()
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call func_ret_i32 # R_WASM_FUNCTION_INDEX_LEB
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global.set i32_global # R_WASM_GLOBAL_INDEX_LEB
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i32.const 0
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throw i32_tag # R_WASM_TAG_INDEX_LEB
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end_function
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# CHECK: test_simple_index_relocs
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# CHECK: 10 82 80 80 80 00 call 2
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# CHECK: 24 81 80 80 80 00 global.set 1
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# CHECK: 08 80 80 80 80 00 throw 0
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# COMPRESS: test_simple_index_relocs
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# COMPRESS: 10 02 call 2
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# COMPRESS: 24 01 global.set 1
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# COMPRESS: 08 00 throw 0
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.globl test_special_relocs
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test_special_relocs:
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.functype test_special_relocs () -> ()
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i32.const indirect_func_ret_i64@MBREL # R_WASM_MEMORY_ADDR_REL_SLEB
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drop
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i32.const func_ret_i32@TBREL # R_WASM_TABLE_INDEX_REL_SLEB
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drop
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i32.const i32_tls_data@TLSREL # R_WASM_MEMORY_ADDR_TLS_SLEB
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drop
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end_function
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# CHECK: test_special_relocs
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# CHECK: 41 90 88 80 80 00 i32.const 1040
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# CHECK: 41 81 80 80 80 00 i32.const 1
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# CHECK: 41 83 80 80 80 00 i32.const 3
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# COMPRESS: test_special_relocs
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# COMPRESS: 41 90 08 i32.const 1040
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# COMPRESS: 41 01 i32.const 1
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# COMPRESS: 41 03 i32.const 3
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# ERROR: wasm-ld: error: --compress-relocations is incompatible with output debug information. Please pass --strip-debug or --strip-all
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.section .tdata,"T",@
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.int8 0
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.int8 0
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.int8 0
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i32_tls_data:
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.int32 65
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.size i32_tls_data, 4
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.section .data,"",@
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.p2align 4
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indirect_func_ret_i64:
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.int32 func_ret_i64
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.size indirect_func_ret_i64, 4
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indirect_func_ret_i32:
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.int32 func_ret_i32
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.size indirect_func_ret_i32, 4
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.section .custom_section.target_features,"",@
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.int8 2
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.int8 43
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.int8 7
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.ascii "atomics"
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.int8 43
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.int8 11
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.ascii "bulk-memory"
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‎lld/test/wasm/compress-relocs64.s

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# RUN: llvm-mc -filetype=obj -triple=wasm64-unknown-unknown %s -o %t.o
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# RUN: wasm-ld -mwasm64 --export-dynamic -o %t.wasm %t.o
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# RUN: llvm-objdump -d %t.wasm | FileCheck %s
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# RUN: wasm-ld -mwasm64 --export-dynamic -O2 -o %t-opt.wasm %t.o
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# RUN: llvm-objdump -d %t-opt.wasm | FileCheck %s
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# RUN: wasm-ld -mwasm64 --export-dynamic --strip-debug --compress-relocations -o %t-compressed.wasm %t.o
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# RUN: llvm-objdump -d %t-compressed.wasm | FileCheck %s -check-prefix=COMPRESS
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.globl _start
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_start:
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.functype _start () -> ()
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end_function
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.globl func_ret_i64
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func_ret_i64:
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.functype func_ret_i64 () -> (i64)
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i64.const 1
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end_function
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.globl func_ret_i32
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func_ret_i32:
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.functype func_ret_i32 () -> (i32)
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i32.const 2
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end_function
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.globl test_memory_and_indirect_call_relocs
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test_memory_and_indirect_call_relocs:
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.functype test_memory_and_indirect_call_relocs () -> ()
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i64.const indirect_func_ret_i64 # R_WASM_MEMORY_ADDR_SLEB64
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drop
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i64.const 0
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i64.load indirect_func_ret_i32 # R_WASM_MEMORY_ADDR_LEB64
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drop
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i64.const func_ret_i64 # R_WASM_TABLE_INDEX_SLEB64
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drop
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end_function
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# CHECK: test_memory_and_indirect_call_relocs
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# CHECK: 42 90 88 80 80 80 80 80 80 80 00 i64.const 1040
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# CHECK: 29 03 98 88 80 80 80 80 80 80 80 00 i64.load 1048
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# CHECK: 42 81 80 80 80 80 80 80 80 80 00 i64.const 1
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# COMPRESS: test_memory_and_indirect_call_relocs
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# COMPRESS: 42 90 08 i64.const 1040
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# COMPRESS: 29 03 98 08 i64.load 1048
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# COMPRESS: 42 01 i64.const 1
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.globl test_special_relocs
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test_special_relocs:
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.functype test_special_relocs () -> ()
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i64.const indirect_func_ret_i64@MBREL # R_WASM_MEMORY_ADDR_REL_SLEB64
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drop
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i64.const func_ret_i32@TBREL # R_WASM_TABLE_INDEX_REL_SLEB64
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drop
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i64.const i32_tls_data@TLSREL # R_WASM_MEMORY_ADDR_TLS_SLEB64
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drop
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end_function
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# CHECK: test_special_relocs
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# CHECK: 42 90 88 80 80 80 80 80 80 80 00 i64.const 1040
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# CHECK: 42 81 80 80 80 80 80 80 80 80 00 i64.const 1
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# CHECK: 42 83 80 80 80 80 80 80 80 80 00 i64.const 3
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# COMPRESS: test_special_relocs
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# COMPRESS: 42 90 08 i64.const 1040
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# COMPRESS: 42 01 i64.const 1
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# COMPRESS: 42 03 i64.const 3
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.section .tdata,"T",@
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.int8 0
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.int8 0
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.int8 0
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i32_tls_data:
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.int32 65
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.size i32_tls_data, 4
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.section .data,"",@
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.p2align 4
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indirect_func_ret_i64:
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.int64 func_ret_i64
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.size indirect_func_ret_i64, 8
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indirect_func_ret_i32:
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.int64 func_ret_i32
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.size indirect_func_ret_i32, 8
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.section .custom_section.target_features,"",@
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.int8 2
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.int8 43
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.int8 7
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.ascii "atomics"
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.int8 43
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.int8 11
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.ascii "bulk-memory"
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