[llvm] Add --dump-offload-bundle option to llvm-objcopy (PR #143347)

[James Henderson via llvm-commits]

================
@@ -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
----------------
jh7370 wrote:

Many of these fields are irrelevant. Please remove them.

https://github.com/llvm/llvm-project/pull/143347