## CI Build: Project TinyCC #54 ### Overview The image is a screenshot of a CI Build log from a GitHub Actions workflow for the "Project TinyCC" repository. The log shows the steps executed during the build process, including setting up the job, configuring the environment, running the make process, performing a make check, and running an attestation. The build succeeded 18 hours and 34 seconds ago. ### Components/Axes * **Header**: * Project TinyCC #54 * Navigation bar with options like Code, Pull requests, Actions, Security, Insights, Settings. * Search bar. * "Re-run all jobs" button. * **Sidebar**: * Summary * Jobs: CI Build (selected), Run details, Usage, Workflow file * **Main Content Area**: * CI Build status: "succeeded 18 hours ago in 34s" * Search logs input field. * Expandable sections: Set up job, Set up runner, Configure, Make, Make check, Run attestation. * Log output for each section. * Timestamps on the right side indicating the duration of each step (0s, 1s, 11s, 18s). ### Detailed Analysis or ### Content Details **1. Set up job (0s)** * Current runner version: '2.321.0' * Runner name: 'NitroNorris' * Runner group name: 'Default' * Machine name: 'sandbox' * GITHUB\_TOKEN Permissions * Secret source: Actions * Prepare workflow directory * Prepare all required actions * Complete job name: CI Build **2. Make (11s)** * Run make * A series of `gcc` commands compiling various `.c` files into `.o` files. These commands include flags such as `-I.`, `-DONE_SOURCE=0`, `-DTCC_GITHASH="..."`, `-Wall`, `-O2`, `-Wdeclaration-after-statement`, and `-Wno-unused-result`. * An `ar rcs` command creating a static library `libtcc.a` from the compiled object files. * A `gcc` command linking the object files to create the `tcc` executable. * `make[1]: Entering directory '/app/github-runner/2.321.0/_work/stamp-demo-builds/stamp-demo-builds/project_tinycc/lib'` * A series of `../tcc -c` commands compiling more `.c` files. * `make[1]: Leaving directory '/app/github-runner/2.321.0/_work/stamp-demo-builds/stamp-demo-builds/project_tinycc/lib'` * `perl ./texi2pod.pl tcc-doc.texi tcc-doc.pod` * `pod2man --section=1 --center="Tiny C Compiler" --release="0.9.28rc" tcc-doc.pod > tcc.1` **3. Run attestation (0s)** * Run `/bin/bash "$ATTESTATION_HOOK" "tcc"` * Running ATTESTATION\_HOOK (/app/github-runner/hooks/attestation.sh) with ARTIFACT\_PATH=tcc * Waiting for attestation result... * Content of tcc.cert: * A JSON object containing: * `commit_hash`: "d09be9662b313c5335ea3d8e0fdb7e6569dd80dc" * `artifact_name`: "tcc" * `artifact_hash`: "ba344a1b81e9a368c41b4465a3ae32bc7f7301b612b11cce9dd54bfd0b549406" * `pcr0`: "bXI6TGWHL1YXA1GqXPUwJal0Zx9G/kjJ2t90gAnBelDj+BAGgC/fPpjL95G11000" * `pcr1`: "S01bNmGz78EpIJAMg0Em5M54PFIt5sAqKlv3rzorkye4Z3bxiOS+HBxAShKdvaST" * `pcr2`: "zMUH6xPqt1uHqewwXRCmF8Fwv0Z2v0SZrMAFekpzfzBn6WG4mkY9na/ADTzxG246" * `attestation`: A very long base64-like string. ### Key Observations * The build process involves compiling C code using `gcc`, creating a static library, and generating documentation. * The attestation step includes a JSON object with hashes and PCR values, suggesting a security-related process. * The timestamps indicate that the "Make" step took the longest (11s), while the "Set up job" and "Run attestation" steps were very quick (0s). ### Interpretation The CI Build log shows a successful build of the Tiny C Compiler (TCC). The build process includes standard compilation steps, as well as steps for generating documentation and performing security attestation. The attestation step likely involves verifying the integrity and authenticity of the build artifact. The presence of PCR values suggests that the attestation process may be using a Trusted Platform Module (TPM) or similar hardware security mechanism. The build process seems to be automated and well-defined, as evidenced by the clear steps and log output.

## Screenshot: GitHub Actions CI Build Log ### Overview This is a screenshot of a GitHub Actions CI Build log page. The page displays the status of a CI build for a project named "TinyCC". The log shows a series of steps executed during the build process, along with their durations and output. The build appears to have succeeded, as indicated by the green checkmarks. ### Components/Axes The screenshot contains the following UI elements: * **Header:** Displays the project name ("Project TinyCC"), pull request number ("#54"), and navigation tabs (Code, Pull Requests, Actions, Security, Insights, Settings). * **Sidebar:** Contains links to "Summary", "Jobs", and "Workflow file". * **Main Content:** Displays the CI Build log, including job status, step details, and output. * **Search Bar:** Located at the top-right corner for filtering the log. * **Re-run all jobs button:** Located at the top-right corner. The log itself is structured as a list of steps, each with a number, description, duration, and output. ### Detailed Analysis or Content Details The log details the following steps: 1. **CI Build:** Succeeded 18 hours ago in 34s. 2. **Set up job:** 8s * Current runner version: "12.321.0" * Runner name: "hosted-toolcache" * Runner group name: "default" * OS: "Linux" * GITHUB_TOKEN Permissions * Prepare workflow directory * Complete job named 'CI Build' 3. **Set up runner:** 1s 4. **Configure:** 0s 5. **Run make:** 11s * `gcc -o cc -O2 -c cc.c -I -DONE_SOURCE=0 -DCC_GNUASM -2025-01-22 project_tinycc0d8e96`. "Wall -02 -Wdeclaration-after-statement -Wno-unused-result" * `gcc -o libtcc.c -I -DONE_SOURCE=0 -DCC_GNUASM -2025-01-22 project_tinycc0d8e96`. "Wall -02 -Wdeclaration-after-statement -Wno-unused-result" * (Repeated lines similar to above for various `.c` files: `tccgen.c`, `tccsym.c`, `tccutil.c`, `tccelf.c`, `tccif.c`, `tccparse.c`, `tccwalk.c`, `tccdump.c`, `tcc.c`, `libtcc.c`) 6. **Run test:** 22s * `./cc -o test test.c` * `./test` * (Output from the test execution, including "PASS" and "FAIL" results for various test cases. Many tests pass, but there are failures related to `test_float_const`, `test_float_const_2`, `test_float_const_3`, `test_float_const_4`, `test_float_const_5`, `test_float_const_6`, `test_float_const_7`, `test_float_const_8`, `test_float_const_9`, `test_float_const_10`, `test_float_const_11`, `test_float_const_12`, `test_float_const_13`, `test_float_const_14`, `test_float_const_15`, `test_float_const_16`, `test_float_const_17`, `test_float_const_18`, `test_float_const_19`, `test_float_const_20`, `test_float_const_21`, `test_float_const_22`, `test_float_const_23`, `test_float_const_24`, `test_float_const_25`, `test_float_const_26`, `test_float_const_27`, `test_float_const_28`, `test_float_const_29`, `test_float_const_30`, `test_float_const_31`, `test_float_const_32`, `test_float_const_33`, `test_float_const_34`, `test_float_const_35`, `test_float_const_36`, `test_float_const_37`, `test_float_const_38`, `test_float_const_39`, `test_float_const_40`, `test_float_const_41`, `test_float_const_42`, `test_float_const_43`, `test_float_const_44`, `test_float_const_45`, `test_float_const_46`, `test_float_const_47`, `test_float_const_48`, `test_float_const_49`, `test_float_const_50`, `test_float_const_51`, `test_float_const_52`, `test_float_const_53`, `test_float_const_54`, `test_float_const_55`, `test_float_const_56`, `test_float_const_57`, `test_float_const_58`, `test_float_const_59`, `test_float_const_60`, `test_float_const_61`, `test_float_const_62`, `test_float_const_63`, `test_float_const_64`, `test_float_const_65`, `test_float_const_66`, `test_float_const_67`, `test_float_const_68`, `test_float_const_69`, `test_float_const_70`, `test_float_const_71`, `test_float_const_72`, `test_float_const_73`, `test_float_const_74`, `test_float_const_75`, `test_float_const_76`, `test_float_const_77`, `test_float_const_78`, `test_float_const_79`, `test_float_const_80`, `test_float_const_81`, `test_float_const_82`, `test_float_const_83`, `test_float_const_84`, `test_float_const_85`, `test_float_const_86`, `test_float_const_87`, `test_float_const_88`, `test_float_const_89`, `test_float_const_90`, `test_float_const_91`, `test_float_const_92`, `test_float_const_93`, `test_float_const_94`, `test_float_const_95`, `test_float_const_96`, `test_float_const_97`, `test_float_const_98`, `test_float_const_99`, `test_float_const_100`) 7. **Upload artifact:** 1s * Artifact: "tinycc-test-results" * Size: 1.13 MB ### Key Observations * The build process involves compiling multiple `.c` files using `gcc`. * A test suite is executed after compilation. * A significant number of tests related to floating-point constants are failing. * The build completed successfully despite the test failures. * Test results are uploaded as an artifact. ### Interpretation The screenshot reveals a CI build process for the TinyCC compiler. The build successfully compiles the compiler but encounters numerous failures in tests specifically designed to validate floating-point constant handling. This suggests a potential issue with the compiler's ability to correctly process or optimize floating-point constants. The fact that the build still completes successfully indicates that the CI configuration might be set up to allow builds to pass even with failing tests, or that these tests are not considered critical for the overall build process. The uploaded artifact provides a detailed report of the test failures, which can be used to diagnose and fix the underlying issue. The date "2025-01-22" in the gcc command suggests the build is being run with a future date, likely for testing or development purposes.

## Screenshot: GitHub Actions CI Build Log for Project TinyCC ### Overview This image is a screenshot of a GitHub Actions workflow run page for a repository named "Project TinyCC". The specific run is identified as `#54`. The page displays the detailed log output for a job named "CI Build", which has succeeded. The interface is in dark mode. ### Components/Sections The image is segmented into several key regions: 1. **Browser & Repository Header (Top):** * Browser tab title: `Project TinyCC` * URL: `https://github.com/[REDACTED]/actions/runs/1290257427/job/35976406616` * GitHub repository navigation bar: Includes tabs for `Code`, `Pull requests`, `Actions` (selected), `Security`, `Insights`, `Settings`. * Project Title: `Project TinyCC #54` * Action Button: `Re-run all jobs` (top-right). 2. **Left Sidebar (Navigation):** * `Summary` * `Jobs` section with `CI Build` selected (highlighted with a blue bar and green checkmark). * `Run details` subsection containing: * `Usage` * `Workflow file` 3. **Main Content Area - CI Build Job Log:** * **Job Header:** `CI Build` with status `succeeded 18 hours ago in 34s`. * **Log Search & Controls:** A `Search logs` bar and refresh/settings icons (top-right of log panel). * **Expandable Log Sections:** Each section has a title, a status icon (green checkmark), and a duration. * `Set up job` (0s) * `Set up runner` (1s) * `Configure` (0s) * `Make` (11s) - *This section is expanded and contains the bulk of the visible text.* * `Make check` (18s) * `Run attestation` (0s) - *This section is also expanded.* ### Detailed Analysis / Content Details **A. `Set up job` Section (Collapsed Summary):** Lines 1-12 list environment setup details: 1. Current runner version: '2.321.0' 2. Runner name: 'NitroNorris' 3. Runner group name: 'Default' 4. Machine name: 'sandbox' 5. GITHUB_TOKEN Permissions 9. Secret source: Actions 10. Prepare workflow directory 11. Prepare all required actions 12. Complete job name: CI Build **B. `Make` Section (Expanded - Compilation Log):** This section details the compilation process using `gcc` and `make`. Key commands include: * **Line 5:** `gcc -o tcc.o -c tcc.c -I. -DONE_SOURCE=0 -DTCC_GITHASH=\"2025-01-22 project_tinycc@d09be96\" -Wall -O2 -Wdeclaration-after-statement -Wno-unused-result` * **Lines 6-16:** Similar `gcc` compilation commands for source files: `libtcc.c`, `tccpp.c`, `tccgen.c`, `tccdbg.c`, `tccelf.c`, `tccasm.c`, `tccrun.c`, `x86_64-gen.c`, `x86_64-link.c`, `i386-asm.c`. * **Line 17:** `ar rcs libtcc.a libtcc.o tccpp.o tccgen.o tccdbg.o tccelf.o tccasm.o tccrun.o x86_64-gen.o x86_64-link.o i386-asm.o` (Creates static library `libtcc.a`). * **Line 18:** `gcc -o tcc tcc.o libtcc.a -lm -ldl -lpthread` (Links the final `tcc` executable). * **Lines 19-34:** Log from `make[1]` entering and leaving the directory `/app/github-runner/2.321.0/_work/stamp-demo-builds/stamp-demo-builds/project_tinycc/lib`. This sub-make compiles additional library components (`libtcc1.c`, `alloca.c`, `stdatomic.c`, etc.) using the just-built `tcc` compiler (`../tcc`). * **Lines 35-36:** Post-compilation documentation generation: * `perl /texi2pod.pl tcc-doc.texi tcc-doc.pod` * `pod2man --section=1 --center="Tiny C Compiler" --release="0.9.28rc" tcc-doc.pod >tcc.1` **C. `Run attestation` Section (Expanded - Security Attestation):** This section runs an attestation hook and outputs a JSON structure. * **Line 1:** `Run /bin/bash "$ATTESTATION_HOOK" "tcc"` * **Line 4:** `Running ATTESTATION_HOOK (/app/github-runner/hooks/attestation.sh) with ARTIFACT_PATH=tcc` * **Line 5:** `Waiting for attestation result...` * **Line 6:** `Content of tcc.cert:` * **Lines 7-14:** A JSON object containing: * `"commit_hash": "d09be9662b313c5335ea3d8e0fdb7e6569dd80dc"` * `"artifact_name": "tcc"` * `"artifact_hash": "ba344a1b81e9a368c41b4465a3ae32bc7f7301b612b11cce9dd54bfd0b549406"` * `"pcr0": "bXI6TGwHL1YXAlGqXPUwJal0Zx96/kjJ2t90gAnBelDj+BAGgC/fPpjL956GI00o"` * `"pcr1": "S01bNmGz78Ep1JAMgOEm5M54PFIt5sAqKlv3zorkye4Z3bxi0S+HBxAShKdvaST"` * `"pcr2": "zMUh6Xpqt1uHqewwXRCmF8Fwv0Z2vOSZrMAfEkpfzbN6WG4mkY9na/ADTxZG246"` * `"attestation": "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

## Screenshot: GitHub Actions Workflow for Project TinyCC ### Overview The image shows a GitHub Actions workflow interface for a project named "Project TinyCC" (ID: #54). The workflow is in the "CI Build" job, which succeeded 18 hours ago. The interface includes a left-side summary panel and a right-side detailed log panel. The logs contain technical commands, timestamps, and outputs related to the build process. --- ### Components/Axes #### Left Panel (Summary) - **Tabs**: Jobs, Run details, Usage, Workflow file - **Labels**: - "CI Build" (selected) - "Current runner version: 12.321.0" - "Runner name: 'Nitroloris'" - "Runner group name: 'default'" - "Machine name: 'sandbox'" - "Secret source: Actions" - "Prepare workflow directory" - "Prepare all required actions" - "Complete job name: CI Build" #### Right Panel (Logs) - **Sections**: 1. **Setup job** (timestamp: 18 hours ago) - Commands: `gcc -c tcc.c`, `make`, `Run attestation` - Outputs: `tcc.o`, `tcc`, `attestation results` 2. **Run** (timestamp: 18 hours ago) - Commands: `gcc -c tcc.c`, `make`, `Run attestation` - Outputs: `tcc.o`, `tcc`, `attestation results` 3. **Run attestation** (timestamp: 18 hours ago) - Commands: `Run attestation`, `Run attestation` - Outputs: `Attestation results`, `Artifact hashes`, `PCR values` --- ### Detailed Analysis #### Left Panel (Summary) - **Tabs**: - **Jobs**: Displays the "CI Build" job status (succeeded). - **Run details**: Includes runner version, runner name, and machine name. - **Usage**: Not explicitly detailed in the image. - **Workflow file**: Not visible in the image. #### Right Panel (Logs) - **Setup job**: - **Commands**: 1. `gcc -c tcc.c` (compiles `tcc.c` to `tcc.o`) 2. `make` (builds the project) 3. `Run attestation` (executes attestation process) - **Outputs**: - `tcc.o` (object file) - `tcc` (executable) - `Attestation results` (hashes and PCR values) - **Run**: - Repeats the same commands as "Setup job" with identical outputs. - **Run attestation**: - **Commands**: - `Run attestation` (executes the attestation process) - **Outputs**: - `Attestation results` (e.g., `commit_hash`, `artifact_hash`, `PCR values`). - Example PCR values: `pcr7: "0x1010000000000000000000000000000000000000000000000000000000000000"`. --- ### Key Observations 1. **Build Success**: The "CI Build" job succeeded, indicating the project compiled without errors. 2. **Attestation Process**: The `Run attestation` command generates cryptographic hashes and PCR values, ensuring the build environment's integrity. 3. **Repetition**: The "Run" and "Run attestation" sections repeat the same commands and outputs, suggesting a multi-stage verification process. 4. **Timestamp Consistency**: All sections are timestamped 18 hours ago, indicating the workflow completed in a single run. --- ### Interpretation This workflow demonstrates a CI/CD pipeline for "Project TinyCC," a C compiler. The `Run attestation` step ensures the build environment is secure and unaltered by generating cryptographic evidence (e.g., PCR values). The repetition of commands across sections suggests a focus on redundancy and verification. The success of the build and attestation confirms the project's code integrity and adherence to security standards. The use of `gcc` and `make` indicates a traditional C compilation workflow, while the attestation process adds a layer of trust for downstream users or systems.