Date: Thu, 10 Feb 2022 21:34:03 GMT From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 0987dc5be54b - main - riscv: Add static asssert for context size Message-ID: <202202102134.21ALY3qv083817@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=0987dc5be54b54c7e7678325586793b98838d61d commit 0987dc5be54b54c7e7678325586793b98838d61d Author: Warner Losh <imp@FreeBSD.org> AuthorDate: 2022-02-10 21:27:15 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2022-02-10 21:32:21 +0000 riscv: Add static asssert for context size Add a static assert for the siginfo_t, mcontext_t and ucontext_t sizes. These are de-factor ABI options and cannot change size ever. Differential Revision: https://reviews.freebsd.org/D34214 --- sys/riscv/riscv/exec_machdep.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sys/riscv/riscv/exec_machdep.c b/sys/riscv/riscv/exec_machdep.c index 08fba5c83e51..2d30ba9cb01c 100644 --- a/sys/riscv/riscv/exec_machdep.c +++ b/sys/riscv/riscv/exec_machdep.c @@ -77,6 +77,10 @@ __FBSDID("$FreeBSD$"); static void get_fpcontext(struct thread *td, mcontext_t *mcp); static void set_fpcontext(struct thread *td, mcontext_t *mcp); +_Static_assert(sizeof(mcontext_t) == 864, "mcontext_t size incorrect"); +_Static_assert(sizeof(ucontext_t) == 936, "ucontext_t size incorrect"); +_Static_assert(sizeof(siginfo_t) == 80, "siginfo_t size incorrect"); + int fill_regs(struct thread *td, struct reg *regs) {
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