[llvm] [Object] Beginnings of SFrame parser and dumper (PR #147294)

[James Henderson via llvm-commits]

================
@@ -17,42 +25,48 @@ FileHeader:
   Type:    ET_EXEC
   Machine: EM_X86_64
 Sections:
+  - Name:  .sframe_bad_sh_size
+    Type:  SHT_GNU_SFRAME
+    Flags: [ SHF_ALLOC ]
+    ShSize: 0xfffff
+# CASE1-LABEL:SFrame section '.sframe_bad_sh_size' {
+#       CASE1:{{.*}}: warning: '[[FILE]]': The end of the file was unexpectedly encountered
   - Name:  .sframe_1b
-    Type:  SHT_PROGBITS
+    Type:  SHT_GNU_SFRAME
     Flags: [ SHF_ALLOC ]
     ContentArray: [ 0x00 ]
 # CASE1-LABEL:SFrame section '.sframe_1b' {
-#       CASE1:{{.*}}: warning: {{.*}}: unexpected end of data at offset 0x1 while reading [0x0, 0x4)
+#       CASE1:{{.*}}: warning: '[[FILE]]': unexpected end of data at offset 0x1 while reading [0x0, 0x4)
 
   - Name:  .sframe_bad_magic
-    Type:  SHT_PROGBITS
+    Type:  SHT_GNU_SFRAME
     Flags: [ SHF_ALLOC ]
     ContentArray: [ 0xde, 0xad, 0xbe, 0xef]
 # CASE1-LABEL:SFrame section '.sframe_bad_magic' {
-#       CASE1:{{.*}}: warning: {{.*}}: invalid magic number
+#       CASE1:{{.*}}: warning: '[[FILE]]': invalid magic number
 
   - Name:  .sframe_bad_version
-    Type:  SHT_PROGBITS
+    Type:  SHT_GNU_SFRAME
     Flags: [ SHF_ALLOC ]
     ContentArray: [
       0xe2, 0xde, 0x01, 0x00  # Preamble (magic, version, flags)
     ]
 # CASE1-LABEL:SFrame section '.sframe_bad_version' {
-#       CASE1:{{.*}}: warning: {{.*}}: invalid/unsupported version number
+#       CASE1:{{.*}}: warning: '[[FILE]]': invalid/unsupported version number
----------------
jh7370 wrote:

Similar to above case, I think you should include the read-in version number somewhere in this message.

https://github.com/llvm/llvm-project/pull/147294