Kernel: Separate out the symbol offsets in profile output

Instead of saying "main +39" and "main +57" etc, we now have a separate
field in /proc/profile for the offset-into-the-symbol.

2 files changed, 6 insertions, 2 deletions

diff --git a/Libraries/LibELF/ELFLoader.cpp b/Libraries/LibELF/ELFLoader.cpp
index 8f50d08ff5..363590a377 100644
--- a/Libraries/LibELF/ELFLoader.cpp
+++ b/Libraries/LibELF/ELFLoader.cpp
@@ -102,7 +102,7 @@ char* ELFLoader::symbol_ptr(const char* name)
     return found_ptr;
 }
 
-String ELFLoader::symbolicate(u32 address) const
+String ELFLoader::symbolicate(u32 address, u32* out_offset) const
 {
     SortedSymbol* sorted_symbols = nullptr;
 #ifdef KERNEL
@@ -139,6 +139,10 @@ String ELFLoader::symbolicate(u32 address) const
             if (i == 0)
                 return "!!";
             auto& symbol = sorted_symbols[i - 1];
+            if (out_offset) {
+                *out_offset = address - symbol.address;
+                return demangle(symbol.name);
+            }
             return String::format("%s +%u", demangle(symbol.name).characters(), address - symbol.address);
         }
     }
diff --git a/Libraries/LibELF/ELFLoader.h b/Libraries/LibELF/ELFLoader.h
index ab607c10ad..6d80fd31b1 100644
--- a/Libraries/LibELF/ELFLoader.h
+++ b/Libraries/LibELF/ELFLoader.h
@@ -27,7 +27,7 @@ public:
 
     bool has_symbols() const { return m_image.symbol_count(); }
 
-    String symbolicate(u32 address) const;
+    String symbolicate(u32 address, u32* offset = nullptr) const;
 
 private:
     bool layout();