core: Add core impl

Signed-off-by: Ian Moffett <ian@osmora.org>

2 files changed, 138 insertions, 0 deletions

diff --git a/src/include/ldo/ldo.h b/src/include/ldo/ldo.h
new file mode 100644
index 0000000..e7618f7
--- /dev/null
+++ b/src/include/ldo/ldo.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LDO_H_
+#define LDO_H_
+
+#include <stdint.h>
+#include <ldo/file.h>
+
+/* Machine types */
+#define LDO_X86_64          0x0000
+#define LDO_AARCH64         0x0001
+#define LDO_PPC64           0x0002
+#define LDO_UNKNOWN         0x0003
+
+#define LDO_F_VERBOSE  (1 << 0)
+
+/* Verbose log */
+#define vlog(...) do {                              \
+        if ((ldo_rtflags() & LDO_F_VERBOSE) != 0) { \
+            printf(__VA_ARGS__);                    \
+        }                                           \
+    } while (0);
+
+typedef uint16_t ldo_flags_t;
+typedef uint8_t ldo_mach_t;
+
+ldo_flags_t ldo_rtflags(void);
+void ldo_load(const char *pathname);
+int ldo_init(void);
+
+#endif  /* !LDO_H_ */
diff --git a/src/include/ldo/object.h b/src/include/ldo/object.h
new file mode 100644
index 0000000..773bafe
--- /dev/null
+++ b/src/include/ldo/object.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef OBJECT_H_
+#define OBJECT_H_
+
+#include <sys/queue.h>
+#include <stddef.h>
+
+/* Pin it here, can be adjusted (XXX: careful!) */
+#define OBJQ_MAXCAP 1024
+
+/* Default cap */
+#define OBJQ_CAP 512
+
+/*
+ * Represents "static array" objects to be
+ * queued up before being injected into its
+ * resulting file's .static_array section.
+ *
+ * @pathname: Object file pathname.
+ * @cdata: Compressed data buffer.
+ * @size: Size of compressed data.
+ * @real_size: Size of data when decompressed.
+ */
+struct sarry_obj {
+    const char *name;
+    const char *cdata;
+    size_t size;
+    size_t real_size;
+    TAILQ_ENTRY(sarry_obj) link;
+};
+
+/*
+ * Represents a "static array" object queue
+ * which holds one or more "static array"
+ * objects. Once filled, all compressed objects
+ * are injected into a final ELF.
+ *
+ * @q: TAILQ head.
+ * @count: Number of objects.
+ * @cap: Object queue capacity.
+ */
+struct sarry_objq {
+    TAILQ_HEAD(, sarry_obj) q;
+    size_t count;
+    size_t cap;
+};
+
+int sarry_init_objq(struct sarry_objq *qp, size_t cap);
+int sarry_objq_in(struct sarry_objq *qp, struct sarry_obj *op);
+int sarry_objq_flush(struct sarry_objq *qp, struct sarry_obj *op);
+
+#endif  /* !OBJECT_H_ */