[EMAIL PROTECTED] tmp]$ cat jump.s
call *(%ebx)
lcallw *(%ebx)
jmp *(%ebx)
ljmpw *(%ebx)
[EMAIL PROTECTED] tmp]$ gcc -c -m32 jump.s
[EMAIL PROTECTED] tmp]$ objdump -dw -Mintel jump.o
jump.o: file format elf32-i386
Disassembly of section .text:
00000000 <.text>:
0: ff 13 call DWORD PTR [ebx]
2: 66 ff 1b call DWORD PTR [ebx]
5: ff 23 jmp DWORD PTR [ebx]
7: 66 ff 2b jmp DWORD PTR [ebx]
[EMAIL PROTECTED] tmp]$
There are 2 problems:
1. Disassembler treats near/far call/jump the same.
2. Assembler doesn't support far call/jump. I don't think assembler supports
far address at all.
--
Summary: Far call/jump aren't supported in Intel mode
Product: binutils
Version: 2.20 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: hjl dot tools at gmail dot com
CC: bug-binutils at gnu dot org
http://sourceware.org/bugzilla/show_bug.cgi?id=6993
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