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134d130e1a
The native NT API returns error values from a different namespace as the usual Win32 one. This means it needs to be typed differently. This commit adds broad support for using NTSTATUS values in a new type called NTStatus. First we add the type as a basic uint32. Then we add all of the predefined constants from ntstatus.h, by augmenting mkerrors.bash to do automatic extraction. There's a convenece way to convert an NT error to a Win32 error, so we add the NTStatus.Errno() function. Since NTStatus is an error type, we define an Error() function that returns a string by asking ntdll.dll for its contents, in the exact same way that syscall.Errno.Error() does, by calling FormatMessage. Since functions need to actually use this, we add the rule that if a `//sys` declaration returns an error value called "ntstatus", then the type underlying the error interface is an NTStatus instead of an Errno. Finally we fix one function that was returning an error interface of an Errno rather than an NTStatus. Change-Id: I06296b9563bbec526759d12a19f13ac6ad46dcc3 Reviewed-on: https://go-review.googlesource.com/c/sys/+/297330 Trust: Jason A. Donenfeld <Jason@zx2c4.com> Trust: Alex Brainman <alex.brainman@gmail.com> Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
71 lines
2.1 KiB
Bash
Executable File
71 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2019 The Go Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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set -e
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shopt -s nullglob
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winerror="$(printf '%s\n' "/mnt/c/Program Files (x86)/Windows Kits/"/*/Include/*/shared/winerror.h | sort -Vr | head -n 1)"
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[[ -n $winerror ]] || { echo "Unable to find winerror.h" >&2; exit 1; }
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ntstatus="$(printf '%s\n' "/mnt/c/Program Files (x86)/Windows Kits/"/*/Include/*/shared/ntstatus.h | sort -Vr | head -n 1)"
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[[ -n $ntstatus ]] || { echo "Unable to find ntstatus.h" >&2; exit 1; }
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declare -A errors
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{
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echo "// Code generated by 'mkerrors.bash'; DO NOT EDIT."
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echo
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echo "package windows"
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echo "import \"syscall\""
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echo "const ("
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while read -r line; do
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unset vtype
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if [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?([A-Z][A-Z0-9_]+k?)\)? ]]; then
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key="${BASH_REMATCH[1]}"
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value="${BASH_REMATCH[3]}"
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elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?((0x)?[0-9A-Fa-f]+)L?\)? ]]; then
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key="${BASH_REMATCH[1]}"
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value="${BASH_REMATCH[3]}"
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vtype="${BASH_REMATCH[2]}"
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elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +\(\(([A-Z]+)\)((0x)?[0-9A-Fa-f]+)L?\) ]]; then
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key="${BASH_REMATCH[1]}"
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value="${BASH_REMATCH[3]}"
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vtype="${BASH_REMATCH[2]}"
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else
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continue
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fi
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[[ -n $key && -n $value ]] || continue
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[[ -z ${errors["$key"]} ]] || continue
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errors["$key"]="$value"
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if [[ -v vtype ]]; then
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if [[ $key == FACILITY_* || $key == NO_ERROR ]]; then
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vtype=""
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elif [[ $vtype == *HANDLE* || $vtype == *HRESULT* ]]; then
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vtype="Handle"
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else
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vtype="syscall.Errno"
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fi
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last_vtype="$vtype"
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else
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vtype=""
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if [[ $last_vtype == Handle && $value == NO_ERROR ]]; then
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value="S_OK"
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elif [[ $last_vtype == syscall.Errno && $value == NO_ERROR ]]; then
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value="ERROR_SUCCESS"
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fi
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fi
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echo "$key $vtype = $value"
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done < "$winerror"
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while read -r line; do
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[[ $line =~ ^#define\ (STATUS_[^\s]+)\ +\(\(NTSTATUS\)((0x)?[0-9a-fA-F]+)L?\) ]] || continue
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echo "${BASH_REMATCH[1]} NTStatus = ${BASH_REMATCH[2]}"
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done < "$ntstatus"
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echo ")"
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} | gofmt > "zerrors_windows.go"
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