From f9acdeae5f29f42f287f8a6a28c75a40e93049fb Mon Sep 17 00:00:00 2001
From: Dmitry Ng <19asdek91@gmail.com>
Date: Fri, 5 May 2023 16:29:58 +0300
Subject: [PATCH] Added arch i386 support (#3)

* feat: added arch i386 support

* fix: using another actions for i386 according to
https://github.com/uraimo/run-on-arch-action/pull/58

* fix: using refs for actions link

* fix: refs to full commit version hash

* fix: changed base action image to own fork

* fix: arch typo 386 => i386
---
 .github/workflows/test.yml | 22 +++++++++++++++++++++-
 goid/goid_386.go           |  7 +++++++
 goid/goid_386.s            |  8 ++++++++
 3 files changed, 36 insertions(+), 1 deletion(-)
 create mode 100644 goid/goid_386.go
 create mode 100644 goid/goid_386.s

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6d57183..8d54f77 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -18,6 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         arch:
+          - i386
           - arm64
           - amd64
         go:
@@ -44,6 +45,25 @@ jobs:
         if: ${{ matrix.arch == 'amd64' }}
         run: go test -bench=. -benchmem -race -v ./...
       
+      # 386
+      - name: 'Build with ${{ matrix.go }} for i386'
+        if: ${{ matrix.arch == 'i386' }}
+        env:
+          GOARCH: 386
+        run: |
+          go test -c *.go && cd goid && go test -c ./...
+      
+      - name: 'Test and Bench with ${{ matrix.go }} on i386'
+        if: ${{ matrix.arch == 'i386' }}
+        uses: vxcontrol/run-on-arch-action@0.9.0
+        with:
+          arch: i386
+          distro: bullseye
+          dockerRunArgs: --mount type=bind,source="$(pwd)",target=/checkout,readonly
+          run: |
+            find /checkout -name '*.test' -type f -executable -print0 | \
+              xargs -t -0 -I '{}' sh -c '{} -test.v && {} -test.bench=. -test.benchmem -test.v'
+      
       # arm64
       - name: 'Build with ${{ matrix.go }} for arm64'
         if: ${{ matrix.arch == 'arm64' }}
@@ -54,7 +74,7 @@ jobs:
       
       - name: 'Test and Bench with ${{ matrix.go }} on arm64'
         if: ${{ matrix.arch == 'arm64' }}
-        uses: uraimo/run-on-arch-action@v2
+        uses: vxcontrol/run-on-arch-action@0.9.0
         with:
           arch: aarch64
           distro: bullseye
diff --git a/goid/goid_386.go b/goid/goid_386.go
new file mode 100644
index 0000000..58531e9
--- /dev/null
+++ b/goid/goid_386.go
@@ -0,0 +1,7 @@
+package goid
+
+func getg() *g
+
+func Get() int64 {
+	return getg().goid
+}
diff --git a/goid/goid_386.s b/goid/goid_386.s
new file mode 100644
index 0000000..4dd1ccf
--- /dev/null
+++ b/goid/goid_386.s
@@ -0,0 +1,8 @@
+#include "go_asm.h"
+#include "textflag.h"
+
+TEXT ·getg(SB), NOSPLIT, $0-4
+    MOVL TLS, CX
+    MOVL 0(CX)(TLS*1), AX
+    MOVL AX, ret+0(FP)
+    RET