talexander
/
freebsd_amp_hwpstate
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Mark the iovec parameters of writev() and readv() as IN and OUT. 

This makes truss work on readv() as expected.
This commit is contained in:
Michael Tuexen 2018-01-14 09:51:25 +00:00
parent a12d97c55a
commit dfcd2888aa
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
usr.bin/truss/syscalls.c
View File

@ -387,7 +387,7 @@ static struct syscall decoded_syscalls[] = {
{ .name = "read", .ret_type = 1, .nargs = 3,
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 } } },
{ .name = "readv", .ret_type = 1, .nargs = 3,
.args = { { Int, 0 }, { Iovec, 1 }, { Int, 2 } } },
.args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 } } },
{ .name = "readlink", .ret_type = 1, .nargs = 3,
.args = { { Name, 0 }, { Readlinkres | OUT, 1 }, { Sizet, 2 } } },
{ .name = "readlinkat", .ret_type = 1, .nargs = 4,
@ -523,7 +523,7 @@ static struct syscall decoded_syscalls[] = {
{ .name = "write", .ret_type = 1, .nargs = 3,
.args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 } } },
{ .name = "writev", .ret_type = 1, .nargs = 3,
.args = { { Int, 0 }, { Iovec, 1 }, { Int, 2 } } },
.args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 } } },
/* Linux ABI */
{ .name = "linux_access", .ret_type = 1, .nargs = 2,