From a99d74034754b1d8735d814cf17db6bf0eb4bfd1 Mon Sep 17 00:00:00 2001 From: Stacey Son Date: Mon, 25 Sep 2023 21:27:04 +0300 Subject: bsd-user: Implement do_obreak function Match linux-user, by manually applying the following commits, in order: d28b3c90cfad1a7e211ae2bce36ecb9071086129 linux-user: Make sure initial brk(0) is page-aligned 15ad98536ad9410fb32ddf1ff09389b677643faa linux-user: Fix qemu brk() to not zero bytes on current page dfe49864afb06e7e452a4366051697bc4fcfc1a5 linux-user: Prohibit brk() to to shrink below initial heap address eac78a4b0b7da4de2c0a297f4d528ca9cc6256a3 linux-user: Fix signed math overflow in brk() syscall c6cc059eca18d9f6e4e26bb8b6d1135ddb35d81a linux-user: Do not call get_errno() in do_brk() e69e032d1a8ee8d754ca119009a3c2c997f8bb30 linux-user: Use MAP_FIXED_NOREPLACE for do_brk() cb9d5d1fda0bc2312fc0c779b4ea1d7bf826f31f linux-user: Do nothing if too small brk is specified 2aea137a425a87b930a33590177b04368fd7cc12 linux-user: Do not align brk with host page size Signed-off-by: Stacey Son Signed-off-by: Karim Taha Reviewed-by: Richard Henderson Message-Id: <20230925182709.4834-19-kariem.taha2.7@gmail.com> --- bsd-user/freebsd/os-syscall.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'bsd-user/freebsd/os-syscall.c') diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index f054241cd6..92793ab1fb 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -855,6 +855,13 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1, break; #endif + /* + * Misc + */ + case TARGET_FREEBSD_NR_break: + ret = do_obreak(arg1); + break; + /* * sys{ctl, arch, call} */ -- cgit 1.4.1