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truss: Add preadv(2) and pwritev(2).

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We already knew how to decode readv(2)/writev(2).  Add the versions with
an offset.

Reviewed by:            asomers
Differential Revision:  https://reviews.freebsd.org/D27531
MFC after:              2 weeks
This commit is contained in:
Thomas Munro 2023-02-21 22:40:14 +13:00
parent 9c474dc51b
commit 58e3631bd0
1 changed files with 6 additions and 0 deletions
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6
usr.bin/truss/syscalls.c
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@ -428,6 +428,9 @@ static const struct syscall_decode decoded_syscalls[] = {
{ .name = "pread", .ret_type = 1, .nargs = 4,
.args = { { Int, 0 }, { BinString | OUT, 1 }, { Sizet, 2 },
{ QuadHex, 3 } } },
{ .name = "preadv", .ret_type = 1, .nargs = 4,
.args = { { Int, 0 }, { Iovec | OUT, 1 }, { Int, 2 },
{ QuadHex, 3 } } },
{ .name = "procctl", .ret_type = 1, .nargs = 4,
.args = { { Idtype, 0 }, { Quad, 1 }, { Procctl, 2 }, { Ptr, 3 } } },
{ .name = "ptrace", .ret_type = 1, .nargs = 4,
@ -435,6 +438,9 @@ static const struct syscall_decode decoded_syscalls[] = {
{ .name = "pwrite", .ret_type = 1, .nargs = 4,
.args = { { Int, 0 }, { BinString | IN, 1 }, { Sizet, 2 },
{ QuadHex, 3 } } },
{ .name = "pwritev", .ret_type = 1, .nargs = 4,
.args = { { Int, 0 }, { Iovec | IN, 1 }, { Int, 2 },
{ QuadHex, 3 } } },
{ .name = "quotactl", .ret_type = 1, .nargs = 4,
.args = { { Name, 0 }, { Quotactlcmd, 1 }, { Int, 2 }, { Ptr, 3 } } },
{ .name = "read", .ret_type = 1, .nargs = 3,