d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Round TF_SIZE up to the stack alignment (16-bytes).

Browse Source 
The kernel adjusts the stack by TF_SIZE and the RISC-V ABI requires
that it remain 16-byte aligned.

Reported by:	CHERI, jrtc27
Reviewed by:	mhorne
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D26328
This commit is contained in:
Brooks Davis 2020-09-04 21:55:22 +00:00
parent 29e1fceb73
commit 46b974a9db
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=365344
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/riscv/riscv/genassym.c
View File

@ -87,7 +87,7 @@ ASSYM(TD_FRAME, offsetof(struct thread, td_frame));
ASSYM(TD_MD, offsetof(struct thread, td_md));
ASSYM(TD_LOCK, offsetof(struct thread, td_lock));
ASSYM(TF_SIZE, sizeof(struct trapframe));
ASSYM(TF_SIZE, roundup2(sizeof(struct trapframe), STACKALIGNBYTES + 1));
ASSYM(TF_RA, offsetof(struct trapframe, tf_ra));
ASSYM(TF_SP, offsetof(struct trapframe, tf_sp));
ASSYM(TF_GP, offsetof(struct trapframe, tf_gp));