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test/elf64so.asm: demonstrate a case where we bind to the wrong symbol

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Show an artificial case where we bind to the wrong symbol, due to the
confusion in the output system between the size of relative symbols
and their position.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2008-10-17 23:14:53 -07:00
parent d5e7498556
commit 93c7aa2302
1 changed files with 6 additions and 1 deletions
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5
test/elf64so.asm
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@ -32,6 +32,7 @@
GLOBAL asmstr:data asmstr.end-asmstr ; [2] GLOBAL asmstr:data asmstr.end-asmstr ; [2]
GLOBAL textptr:data 8 ; [2] GLOBAL textptr:data 8 ; [2]
GLOBAL selfptr:data 8 ; [2] GLOBAL selfptr:data 8 ; [2]
GLOBAL useless:data 8 ; [3]
GLOBAL integer:data 8 ; [3] GLOBAL integer:data 8 ; [3]
EXTERN printf ; [10] EXTERN printf ; [10]
COMMON commvar 8:8 ; [7] COMMON commvar 8:8 ; [7]
@ -59,6 +60,8 @@ lrotate: ; [1]
;; (Large model cannot be linked with other code) ;; (Large model cannot be linked with other code)
;; ;;
greet_s: greet_s:
;; This instruction is useless, this is only a test...
cmp qword [rel integer wrt ..got],0
mov rax,[rel commvar wrt ..got] ; &commvar mov rax,[rel commvar wrt ..got] ; &commvar
mov rcx,[rax] ; commvar mov rcx,[rax] ; commvar
mov rax,[rel integer wrt ..got] ; &integer mov rax,[rel integer wrt ..got] ; &integer
@ -105,6 +108,8 @@ textptr dq greet_s wrt ..sym ; [15]
selfptr dq selfptr wrt ..sym ; [16] selfptr dq selfptr wrt ..sym ; [16]
SECTION .bss SECTION .bss
; a useless symbol
useless resq 1
; an integer ; an integer
integer resq 1 ; [3] integer resq 1 ; [3]