| # RUN: llvm-mc -filetype=obj -triple=x86_64 %s | llvm-readelf -s - | FileCheck %s |
| # RUN: not llvm-mc -filetype=obj -triple=x86_64 --defsym ERR=1 %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR --implicit-check-not=error: |
| # RUN: not llvm-mc -filetype=obj -triple=x86_64 --defsym ERR2=1 %s -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR2 --implicit-check-not=error: |
| |
| // This is a long test that checks that the aliases created by weakref are |
| // never in the symbol table and that the only case it causes a symbol to |
| // be output as a weak undefined symbol is if that variable is not defined |
| // in this file and all the references to it are done via the alias. |
| |
| # CHECK: Num: Value Size Type Bind Vis Ndx Name |
| # CHECK-NEXT: 0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UND |
| # CHECK-NEXT: 1: 0000000000000000 0 SECTION LOCAL DEFAULT 2 .text |
| # CHECK-NEXT: 2: 0000000000000018 0 NOTYPE LOCAL DEFAULT 2 bar6 |
| # CHECK-NEXT: 3: 0000000000000018 0 NOTYPE LOCAL DEFAULT 2 bar7 |
| # CHECK-NEXT: 4: 000000000000001c 0 NOTYPE LOCAL DEFAULT 2 bar8 |
| # CHECK-NEXT: 5: 0000000000000020 0 NOTYPE LOCAL DEFAULT 2 bar9 |
| # CHECK-NEXT: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND bar2 |
| # CHECK-NEXT: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND bar4 |
| # CHECK-NEXT: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND bar5 |
| # CHECK-NEXT: 0000000000000028 0 NOTYPE GLOBAL DEFAULT 2 bar10 |
| # CHECK-NEXT: 0000000000000030 0 NOTYPE GLOBAL DEFAULT 2 bar11 |
| # CHECK-NEXT: 0000000000000030 0 NOTYPE GLOBAL DEFAULT 2 bar12 |
| # CHECK-NEXT: 0000000000000034 0 NOTYPE GLOBAL DEFAULT 2 bar13 |
| # CHECK-NEXT: 0000000000000038 0 NOTYPE GLOBAL DEFAULT 2 bar14 |
| # CHECK-NEXT: 0000000000000040 0 NOTYPE GLOBAL DEFAULT 2 bar15 |
| # CHECK-NEXT: 0000000000000000 0 NOTYPE WEAK DEFAULT UND bar3 |
| # CHECK-NEXT: 0000000000000000 0 NOTYPE WEAK DEFAULT UND bar16 |
| # CHECK-EMPTY: |
| |
| .weakref foo1, bar1 |
| |
| .weakref foo2, bar2 |
| .long bar2 |
| |
| .weakref foo3, bar3 |
| .long foo3 |
| |
| .weakref foo4, bar4 |
| .long foo4 |
| .long bar4 |
| |
| .weakref foo5, bar5 |
| .long bar5 |
| .long foo5 |
| |
| bar6: |
| .weakref foo6, bar6 |
| |
| bar7: |
| .weakref foo7, bar7 |
| .long bar7 |
| |
| bar8: |
| .weakref foo8, bar8 |
| .long foo8 |
| |
| bar9: |
| .weakref foo9, bar9 |
| .long foo9 |
| .long bar9 |
| |
| bar10: |
| .global bar10 |
| .weakref foo10, bar10 |
| .long bar10 |
| .long foo10 |
| |
| bar11: |
| .global bar11 |
| .weakref foo11, bar11 |
| |
| bar12: |
| .global bar12 |
| .weakref foo12, bar12 |
| .long bar12 |
| |
| bar13: |
| .global bar13 |
| .weakref foo13, bar13 |
| .long foo13 |
| |
| bar14: |
| .global bar14 |
| .weakref foo14, bar14 |
| .long foo14 |
| .long bar14 |
| |
| bar15: |
| .global bar15 |
| .weakref foo15, bar15 |
| .long bar15 |
| .long foo15 |
| |
| .long foo16 |
| .weakref foo16, bar16 |
| |
| .ifdef ERR |
| alias: |
| .weakref alias, target |
| # ERR: [[#@LINE-1]]:1: error: symbol 'alias' is already defined |
| |
| .set alias1, 1 |
| .weakref alias1, target |
| # ERR: [[#@LINE-1]]:1: error: symbol 'alias1' is already defined |
| |
| .weakref alias2, target |
| .set alias2, 1 |
| # ERR: [[#@LINE-1]]:14: error: redefinition of 'alias2' |
| .endif |
| |
| .ifdef ERR2 |
| .weakref cycle0, cycle1 |
| .weakref cycle1, cycle0 |
| call cycle0 |
| # ERR2: <unknown>:0: error: cyclic dependency detected for symbol 'cycle0' |
| # ERR2: [[#@LINE-2]]:6: error: expected relocatable expression |
| |
| .endif |
