Re: [Minios-devel] [UNIKRAFT PATCH 1/4] lib/vfscore: Register `write` to syscall_shim

[Gaulthier Gain <Gaulthier.Gain@xxxxxxxxx>]

Reviewed-by: Gaulthier Gain <gaulthier.gain@xxxxxxxxx>

On 12 Dec 2019, at 13:26, Simon Kuenzer <simon.kuenzer@xxxxxxxxx> wrote:

Registers `write` system call to syscall_shim library.

Signed-off-by: Simon Kuenzer <simon.kuenzer@xxxxxxxxx>
---
lib/vfscore/Makefile.uk   | 2 +-
lib/vfscore/exportsyms.uk | 2 ++
lib/vfscore/main.c        | 2 +-
3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/vfscore/Makefile.uk b/lib/vfscore/Makefile.uk
index e0daa5fa..2022e949 100644
--- a/lib/vfscore/Makefile.uk
+++ b/lib/vfscore/Makefile.uk
@@ -25,4 +25,4 @@ LIBVFSCORE_SRCS-$(CONFIG_LIBVFSCORE_AUTOMOUNT_ROOTFS) += \
$(LIBVFSCORE_BASE)/rootfs.c


-UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += writev-3
+UK_PROVIDED_SYSCALLS-$(CONFIG_LIBVFSCORE) += write-3 writev-3
diff --git a/lib/vfscore/exportsyms.uk b/lib/vfscore/exportsyms.uk
index d3ebf547..690801b6 100644
--- a/lib/vfscore/exportsyms.uk
+++ b/lib/vfscore/exportsyms.uk
@@ -15,6 +15,8 @@ vfscore_vop_erofs
open
creat
write
+uk_syscall_e_write
+uk_syscall_r_write
close
read
mkdir
diff --git a/lib/vfscore/main.c b/lib/vfscore/main.c
index b9abe1ef..b0d8335a 100644
--- a/lib/vfscore/main.c
+++ b/lib/vfscore/main.c
@@ -379,7 +379,7 @@ ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset)

LFS64(pwrite);

-ssize_t write(int fd, const void *buf, size_t count)
+UK_SYSCALL_DEFINE(ssize_t, write, int, fd, const void *, buf, size_t, count)
{
return pwrite(fd, buf, count, -1);
}
--
2.20.1

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