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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/63842] x86-64 large PIC model may load the GOT base into the wrong register
Date: Thu, 27 Nov 2014 21:30:00 -0000 [thread overview]
Message-ID: <bug-63842-4-bzoQUyMJot@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-63842-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63842
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2014-11-27
Ever confirmed|0 |1
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
r218132 generates:
main:
.LFB11:
.cfi_startproc
.L2:
leaq .L2(%rip), %rax
movabsq $_GLOBAL_OFFSET_TABLE_-.L2, %r11
movabsq $.LC0@GOTOFF, %rdx
pushq %r15
.cfi_def_cfa_offset 16
.cfi_offset 15, -16
addq %r11, %rax
leaq (%rax,%rdx), %rdi
movabsq $puts@PLTOFF, %rdx
movq %rax, %r15
addq %rax, %rdx
call *%rdx
xorl %eax, %eax
popq %r15
.cfi_def_cfa_offset 8
ret
.cfi_endproc
.LFE11:
It looks OK. But it is hard to test without a linker supporting large
model PLT. I will leave it open until I finish large model PLT support
in binutils so that I can verify it.
next prev parent reply other threads:[~2014-11-27 21:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-12 23:34 [Bug target/63842] New: " hjl.tools at gmail dot com
2014-11-12 23:41 ` [Bug target/63842] " hjl.tools at gmail dot com
2014-11-27 21:30 ` hjl.tools at gmail dot com [this message]
2021-08-09 7:33 ` pinskia at gcc dot gnu.org
2021-08-09 12:40 ` hjl.tools at gmail dot com
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