[llvm] Add --dump-offload-bundle option to llvm-objcopy (PR #143347)
James Henderson via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 13 01:09:23 PDT 2025
================
@@ -0,0 +1,60 @@
+## Test that --offloading with a fatbin works correctly
+# REQUIRES: target={{x86_64-.*-linux.*}}
+# REQUIRES: amdgpu-registered-target
+
+# RUN: yaml2obj %s -o %t.elf
+# RUN: llvm-objcopy --dump-offload-bundle=file://%t.elf#offset=8192\&size=4048
+# RUN: llvm-objdump -d %t.elf-offset8192-size4048.co | FileCheck %s
+
+# CHECK: s_load_dword s7, s[4:5], 0x24 // 000000001900: C00201C2 00000024
+# CHECK-NEXT: s_load_dwordx4 s[0:3], s[4:5], 0x0 // 000000001908: C00A0002 00000000
+# CHECK-NEXT: v_mov_b32_e32 v1, 0 // 000000001910: 7E020280
+# CHECK-NEXT: s_waitcnt lgkmcnt(0) // 000000001914: BF8CC07F
+# CHECK-NEXT: s_and_b32 s4, s7, 0xffff // 000000001918: 8604FF07 0000FFFF
+# CHECK-NEXT: s_mul_i32 s6, s6, s4 // 000000001920: 92060406
+# CHECK-NEXT: v_add_u32_e32 v0, s6, v0 // 000000001924: 68000006
+# CHECK-NEXT: v_lshlrev_b64 v[0:1], 2, v[0:1] // 000000001928: D28F0000 00020082
+# CHECK-NEXT: v_mov_b32_e32 v3, s3 // 000000001930: 7E060203
+# CHECK-NEXT: v_add_co_u32_e32 v2, vcc, s2, v0 // 000000001934: 32040002
+# CHECK-NEXT: v_addc_co_u32_e32 v3, vcc, v3, v1, vcc // 000000001938: 38060303
+# CHECK-NEXT: global_load_dword v2, v[2:3], off // 00000000193C: DC508000 027F0002
+# CHECK-NEXT: v_mov_b32_e32 v3, s1 // 000000001944: 7E060201
+# CHECK-NEXT: v_add_co_u32_e32 v0, vcc, s0, v0 // 000000001948: 32000000
+# CHECK-NEXT: v_addc_co_u32_e32 v1, vcc, v3, v1, vcc // 00000000194C: 38020303
+# CHECK-NEXT: global_load_dword v3, v[0:1], off // 000000001950: DC508000 037F0000
+# CHECK-NEXT: s_waitcnt vmcnt(0) // 000000001958: BF8C0F70
+# CHECK-NEXT: v_add_u32_e32 v2, v3, v2 // 00000000195C: 68040503
+# CHECK-NEXT: global_store_dword v[0:1], v2, off // 000000001960: DC708000 007F0200
+# CHECK-NEXT: s_endpgm // 000000001968: BF810000
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_EXEC
+ Machine: EM_X86_64
+ Entry: 0x2041B0
+ProgramHeaders:
+ - Type: PT_PHDR
+ Flags: [ PF_R ]
+ VAddr: 0x200040
+ Align: 0x8
+ Offset: 0x40
+ - Type: PT_GNU_STACK
+ Flags: [ PF_W, PF_R ]
+ Align: 0x0
+ Offset: 0x0
+Sections:
+ - Name: .hip_fatbin
+ Type: SHT_PROGBITS
+ Flags: [ SHF_ALLOC ]
+ Address: 0x201000
+ AddressAlign: 0x1000
+ Content: 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+ - Name: .hipFatBinSegment
----------------
jh7370 wrote:
Nit: is this section name fixed? If so, this is extremely unfortunate as in ELF terms, a segment relates to program headers, not sections.
https://github.com/llvm/llvm-project/pull/143347
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