llvm-project/lld/test/wasm/page-size.s
Nick Fitzgerald 463b3cb93f
[lld][WebAssembly] Abide by configured page size for memory imports (#146916)
This was an oversight in
https://github.com/llvm/llvm-project/pull/128942 where I forgot to add
the configured page size to the `WasmLimits` in the import we emit when
importing a memory.

Fixes: #146713
2025-07-07 09:40:09 -07:00

62 lines
2.3 KiB
ArmAsm

# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
.globl _start
_start:
.functype _start () -> (i32)
i32.const __wasm_first_page_end
end_function
# Add a symbol to smoke test that `__wasm_first_page_end` is absolute and not
# relative to other data.
.section .data.foo,"",@
foo:
.int32 0x11111111
.size foo, 4
# RUN: wasm-ld -no-gc-sections -o %t.custom.wasm %t.o --page-size=1
# RUN: obj2yaml %t.custom.wasm | FileCheck %s --check-prefix=CHECK-CUSTOM
# CHECK-CUSTOM: - Type: MEMORY
# CHECK-CUSTOM-NEXT: Memories:
# CHECK-CUSTOM-NEXT: - Flags: [ HAS_PAGE_SIZE ]
# CHECK-CUSTOM-NEXT: Minimum: 0x10410
# CHECK-CUSTOM-NEXT: PageSize: 0x1
# RUN: llvm-objdump --disassemble-symbols=_start %t.custom.wasm | FileCheck %s --check-prefix=CHECK-CUSTOM-DIS
# CHECK-CUSTOM-DIS: <_start>:
# CHECK-CUSTOM-DIS: i32.const 1
# CHECK-CUSTOM-DIS-NEXT: end
# RUN: wasm-ld -no-gc-sections -o %t.default.wasm %t.o
# RUN: obj2yaml %t.default.wasm | FileCheck %s --check-prefix=CHECK-DEFAULT
# CHECK-DEFAULT: - Type: MEMORY
# CHECK-DEFAULT-NEXT: Memories:
# CHECK-DEFAULT-NEXT: Minimum: 0x2
# CHECK-DEFAULT-NEXT: - Type: GLOBAL
# RUN: llvm-objdump --disassemble-symbols=_start %t.default.wasm | FileCheck %s --check-prefix=CHECK-DEFAULT-DIS
# CHECK-DEFAULT-DIS: <_start>:
# CHECK-DEFAULT-DIS: i32.const 65536
# CHECK-DEFAULT-DIS-NEXT: end
# RUN: wasm-ld -no-gc-sections -o %t.custom-import.wasm %t.o --page-size=1 --import-memory
# RUN: obj2yaml %t.custom-import.wasm | FileCheck %s --check-prefix=CHECK-CUSTOM-IMPORT
# CHECK-CUSTOM-IMPORT: Imports:
# CHECK-CUSTOM-IMPORT-NEXT: - Module: env
# CHECK-CUSTOM-IMPORT-NEXT: Field: memory
# CHECK-CUSTOM-IMPORT-NEXT: Kind: MEMORY
# CHECK-CUSTOM-IMPORT-NEXT: Memory:
# CHECK-CUSTOM-IMPORT-NEXT: Flags: [ HAS_PAGE_SIZE ]
# CHECK-CUSTOM-IMPORT-NEXT: Minimum: 0x10410
# CHECK-CUSTOM-IMPORT-NEXT: PageSize: 0x1
# RUN: llvm-objdump --disassemble-symbols=_start %t.custom-import.wasm | FileCheck %s --check-prefix=CHECK-CUSTOM-IMPORT-DIS
# CHECK-CUSTOM-IMPORT-DIS: <_start>:
# CHECK-CUSTOM-IMPORT-DIS: i32.const 1
# CHECK-CUSTOM-IMPORT-DIS-NEXT: end