feat: add regression tests for instrument hooks

.github/workflows/ci.yml

@@ -6,6 +6,16 @@ on:
   pull_request:
   workflow_dispatch:
 
+env:
+  COMMON_CFLAGS: >-
+    -Wall
+    -Werror
+    -Wno-format-security
+    -Wno-unused-but-set-variable
+    -Wno-unused-const-variable
+    -Wno-type-limits
+    -Wno-uninitialized
+
 jobs:
   lint:
     runs-on: ubuntu-latest
@@ -28,6 +38,17 @@ jobs:
       - name: Run tests
         run: zig build test --summary all
 
+      # Skip installing package docs to avoid wasting time when installing valgrind
+      #  See: https://github.com/actions/runner-images/issues/10977#issuecomment-2810713336
+      - name: Skip installing package docs
+        if: runner.os == 'Linux'
+        run: |
+          sudo tee /etc/dpkg/dpkg.cfg.d/01_nodoc > /dev/null << 'EOF'
+          path-exclude /usr/share/doc/*
+          path-exclude /usr/share/man/*
+          path-exclude /usr/share/info/*
+          EOF
+
       - name: Run valgrind tests
         if: runner.os == 'Linux'
         run: |
@@ -150,6 +171,98 @@ jobs:
         run: |
           bazel run //:example
 
+  test-gcc-versions:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [15, 14, 13, 12, 11, 10, 9]
+    container:
+      image: gcc:${{ matrix.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build example with GCC ${{ matrix.version }}
+        run: |
+          gcc -std=c11 -O3 example/main.c dist/core.c \
+            -I includes/ \
+            ${{ env.COMMON_CFLAGS }} \
+            -o test-example
+
+      - name: Run example
+        run: ./test-example
+
+  test-clang-versions:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version: [19, 18, 17, 16, 15, 14, 13]
+    container:
+      image: silkeh/clang:${{ matrix.version }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build example with Clang ${{ matrix.version }}
+        run: |
+          clang -std=c11 -O3 example/main.c dist/core.c \
+            -I includes/ \
+            ${{ env.COMMON_CFLAGS }} \
+            -o test-example
+
+      - name: Run example
+        run: ./test-example
+
+  cross-compile:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        target:
+          # Linux targets - x86/x64
+          - { arch: x86_64-linux-gnu, name: "Linux x86_64 (glibc)" }
+          - { arch: x86_64-linux-musl, name: "Linux x86_64 (musl)" }
+          - { arch: x86-linux-gnu, name: "Linux x86 (32-bit)" }
+
+          # Linux targets - ARM
+          - { arch: aarch64-linux-gnu, name: "Linux ARM64 (glibc)" }
+          - { arch: aarch64-linux-musl, name: "Linux ARM64 (musl)" }
+          - { arch: arm-linux-gnueabihf, name: "Linux ARM (hard-float)" }
+          - { arch: arm-linux-gnueabi, name: "Linux ARM (soft-float)" }
+
+          # Linux targets - RISC-V
+          - { arch: riscv64-linux-gnu, name: "Linux RISC-V 64 (glibc)" }
+          - { arch: riscv64-linux-musl, name: "Linux RISC-V 64 (musl)" }
+
+          # Linux targets - Other architectures
+          - { arch: powerpc64le-linux-gnu, name: "Linux PowerPC64 LE" }
+          - { arch: s390x-linux-gnu, name: "Linux s390x (IBM Z)" }
+          - { arch: mips64el-linux-gnuabi64, name: "Linux MIPS64 LE" }
+          - { arch: loongarch64-linux-gnu, name: "Linux LoongArch64" }
+
+          # macOS targets
+          - { arch: x86_64-macos, name: "macOS x86_64 (Intel)" }
+          - { arch: aarch64-macos, name: "macOS ARM64 (Apple Silicon)" }
+
+          # Windows targets
+          - { arch: x86_64-windows-gnu, name: "Windows x86_64" }
+          - { arch: x86-windows-gnu, name: "Windows x86 (32-bit)" }
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: mlugg/setup-zig@v2
+
+      - name: Compile the example
+        run: |
+          zig cc example/main.c dist/core.c \
+            -I includes/ \
+            -target ${{ matrix.target.arch }} \
+            ${{ env.COMMON_CFLAGS }} \
+            -Wno-constant-conversion \
+            -Wno-incompatible-pointer-types \
+            -Wno-unused-function \
+            -o example.out
+
   check:
     runs-on: ubuntu-latest
     if: always()
@@ -159,6 +272,9 @@ jobs:
       - build
       - test-build-cmake
       - test-build-bazel
+      - test-gcc-versions
+      - test-clang-versions
+      - cross-compile
     steps:
       - uses: re-actors/alls-green@release/v1
         with: