| // REQUIRES: x86 |
| |
| // Check that we can wrap a dllimported symbol, so that references to |
| // __imp_<symbol> gets redirected to a defined local import instead. |
| |
| // RUN: split-file %s %t.dir |
| // RUN: llvm-mc -filetype=obj -triple=i686-win32-gnu %t.dir/main.s -o %t.main.obj |
| // RUN: llvm-mc -filetype=obj -triple=i686-win32-gnu %t.dir/other.s -o %t.other.obj |
| |
| // RUN: lld-link -dll -out:%t.dll %t.other.obj -noentry -safeseh:no -export:foo -implib:%t.lib |
| // RUN: lld-link -out:%t.exe %t.main.obj %t.lib -entry:entry -subsystem:console -debug:symtab -safeseh:no -wrap:foo -lldmap:%t.map |
| // RUN: llvm-objdump -s -d --print-imm-hex %t.exe | FileCheck %s |
| |
| // CHECK: Contents of section .rdata: |
| // CHECK-NEXT: 402000 06104000 |
| |
| // CHECK: Disassembly of section .text: |
| // CHECK-EMPTY: |
| // CHECK: 00401000 <_entry>: |
| // CHECK-NEXT: 401000: ff 25 00 20 40 00 jmpl *0x402000 |
| // CHECK-EMPTY: |
| // CHECK-NEXT: 00401006 <___wrap_foo>: |
| // CHECK-NEXT: 401006: c3 retl |
| |
| // The jmpl instruction in _entry points at an address in 0x402000, |
| // which is the first 4 bytes of the .rdata section (above), which is a |
| // pointer that points at ___wrap_foo. |
| |
| #--- main.s |
| .global _entry |
| _entry: |
| jmpl *__imp__foo |
| |
| .global ___wrap_foo |
| ___wrap_foo: |
| ret |
| |
| #--- other.s |
| .global _foo |
| |
| _foo: |
| ret |