// Add the start symbol.
// It initializes either Config->Entry or Config->EntryAddr.
// Note that AMDGPU binaries have no entries.
+ bool HasEntryAddr = false;
if (!Config->Entry.empty()) {
// It is either "-e <addr>" or "-e <symbol>".
- Config->Entry.getAsInteger(0, Config->EntryAddr);
+ HasEntryAddr = !Config->Entry.getAsInteger(0, Config->EntryAddr);
} else if (!Config->Shared && !Config->Relocatable &&
Config->EMachine != EM_AMDGPU) {
// -e was not specified. Use the default start symbol name
// if it is resolvable.
Config->Entry = (Config->EMachine == EM_MIPS) ? "__start" : "_start";
}
- if (Symtab.find(Config->Entry))
- Config->EntrySym = Symtab.addUndefined(Config->Entry);
+ if (!HasEntryAddr) {
+ if (Symtab.find(Config->Entry))
+ Config->EntrySym = Symtab.addUndefined(Config->Entry);
+ else
+ warning("entry symbol " + Config->Entry + " not found, assuming 0");
+ }
if (HasError)
return; // There were duplicate symbols or incompatible files
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1
-# RUN: ld.lld %t1 -o %t2
+# RUN: ld.lld -e foobar %t1 -o %t2 2>&1 | FileCheck -check-prefix=WARN %s
# RUN: llvm-readobj -file-headers %t2 | FileCheck -check-prefix=NOENTRY %s
# RUN: ld.lld %t1 -o %t2 -e entry
# RUN: llvm-readobj -file-headers %t2 | FileCheck -check-prefix=SYM %s
# RUN: ld.lld %t1 -o %t2 -e 0777
# RUN: llvm-readobj -file-headers %t2 | FileCheck -check-prefix=OCT %s
+# WARN: entry symbol foobar not found, assuming 0
+
# NOENTRY: Entry: 0x0
# SYM: Entry: 0x11000
# DSO: Entry: 0x1000