From: Liu Yu <pedroa.liu@outlook.com>
To: "\"afish@apple.com; jordan.l.justen@intel.com ;
ruiyu.ni\"@intel.com" <"afish@apple.com;
jordan.l.justen@intel.com ; ruiyu.ni"@intel.com>
Cc: "edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Subject: EmulatorPkg Unix Host Segmentation fault.
Date: Sun, 18 Nov 2018 04:51:11 +0000 [thread overview]
Message-ID: <TY2PR02MB28317A7BB9ADD94DB5B385A98FDF0@TY2PR02MB2831.apcprd02.prod.outlook.com> (raw)
OS: Ubuntu
Toolchain:GCC48
Issue Description :
Program received signal SIGSEGV, Segmentation fault.
at /home/pedroa/workspace/orign/edkcrb/MdeModulePkg/Core/Pei/Memory/MemoryServices.c:129
129 Private->MemoryPages.Size = (UINTN) (Private->HobList.HandoffInformationTable->EfiMemoryTop -
if the GCC optimization option is used not -O0 so the "rbp" register will be used as "general register"
in the SecTemporaryRamSupport function as below, this function will modify the rbp (as general register not stack base address pointer)value that result in program crash.
ASM_PFX(SecTemporaryRamSupport):
// Adjust callers %rbp to account for stack move
subq %rdx, %rbp // Calc offset of %rbp in Temp Memory
addq %r8, %rbp // add in permanent base to offset
next reply other threads:[~2018-11-18 4:51 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-18 4:51 Liu Yu [this message]
2018-11-18 9:27 ` EmulatorPkg Unix Host Segmentation fault Jordan Justen
2018-11-18 12:07 ` Liu Yu
2018-11-18 22:37 ` Andrew Fish
2018-11-19 1:13 ` Jordan Justen
2018-11-19 19:16 ` Jordan Justen
2018-11-19 21:22 ` Andrew Fish
2018-11-19 22:12 ` Laszlo Ersek
2018-11-19 23:39 ` Andrew Fish
2018-11-19 22:29 ` Jordan Justen
2018-11-20 0:54 ` Andrew Fish
2018-11-20 8:57 ` Laszlo Ersek
2019-02-16 7:29 ` Ni, Ray
2019-02-16 7:40 ` Ni, Ray
2019-02-16 20:23 ` Andrew Fish
2019-02-16 7:43 ` Ni, Ray
2019-02-16 8:05 ` Ni, Ray
2019-02-16 9:11 ` Jordan Justen
2019-02-18 2:25 ` Ni, Ray
2019-02-18 2:45 ` Jordan Justen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=TY2PR02MB28317A7BB9ADD94DB5B385A98FDF0@TY2PR02MB2831.apcprd02.prod.outlook.com \
--to=devel@edk2.groups.io \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox