From bc0388714821eea6dd8a4e72bc24f2a899e9123f Mon Sep 17 00:00:00 2001
From: Martin Fouilleul <martinfouilleul@gmail.com>
Date: Sun, 25 Jun 2023 20:17:01 +0200
Subject: [PATCH] Added ORCA_IMPORT to mark symbols imported from the runtime

---
 src/platform/orca_log.c        | 16 ++++++++--------
 src/platform/orca_memory.c     |  2 +-
 src/platform/platform.h        |  5 +++++
 src/platform/platform_assert.h |  2 +-
 src/platform/platform_math.h   |  8 ++++----
 5 files changed, 19 insertions(+), 14 deletions(-)

diff --git a/src/platform/orca_log.c b/src/platform/orca_log.c
index 5e1e24c..5bf1068 100644
--- a/src/platform/orca_log.c
+++ b/src/platform/orca_log.c
@@ -24,14 +24,14 @@ typedef struct log_output
 static log_output _logDefaultOutput = {.kind = ORCA_LOG_OUTPUT_CONSOLE};
 log_output* LOG_DEFAULT_OUTPUT = &_logDefaultOutput;
 
-extern void orca_log(log_level level,
-                     int fileLen,
-                     const char* file,
-                     int functionLen,
-                     const char* function,
-                     int line,
-                     int msgLen,
-                     const char* msg);
+void ORCA_IMPORT(orca_log)(log_level level,
+                           int fileLen,
+                           const char* file,
+                           int functionLen,
+                           const char* function,
+                           int line,
+                           int msgLen,
+                           const char* msg);
 
 typedef struct orca_log_context
 {
diff --git a/src/platform/orca_memory.c b/src/platform/orca_memory.c
index c5248c1..6b52925 100644
--- a/src/platform/orca_memory.c
+++ b/src/platform/orca_memory.c
@@ -8,7 +8,7 @@
 
 #include"platform_memory.h"
 
-extern void* orca_mem_grow(u64 size);
+void* ORCA_IMPORT(orca_mem_grow)(u64 size);
 
 void* orca_mem_base_reserve(mem_base_allocator* context, u64 size)
 {
diff --git a/src/platform/platform.h b/src/platform/platform.h
index 471081a..05c1637 100644
--- a/src/platform/platform.h
+++ b/src/platform/platform.h
@@ -94,4 +94,9 @@
 	#define mp_thread_local __thread
 #endif
 
+
+#if PLATFORM_ORCA
+	#define ORCA_IMPORT(f) __attribute__((import_name(#f))) f
+#endif
+
 #endif // __PLATFORM_H_
diff --git a/src/platform/platform_assert.h b/src/platform/platform_assert.h
index 39ff43c..9d9f6d2 100644
--- a/src/platform/platform_assert.h
+++ b/src/platform/platform_assert.h
@@ -13,7 +13,7 @@
 //NOTE: assert macros
 #ifndef NO_ASSERT
 	#ifdef PLATFORM_ORCA
-		extern int orca_assert(const char* file, const char* function, int line, const char* src, const char* msg);
+		int ORCA_IMPORT(orca_assert)(const char* file, const char* function, int line, const char* src, const char* msg);
 		#define _ASSERT_(x, msg) ((x) || orca_assert(__FILE__, __FUNCTION__, __LINE__, #x, msg))
 	#else
 		#include<assert.h>
diff --git a/src/platform/platform_math.h b/src/platform/platform_math.h
index 442fd48..032a711 100644
--- a/src/platform/platform_math.h
+++ b/src/platform/platform_math.h
@@ -17,10 +17,10 @@
 
 #define M_PI 3.14159265358979323846
 
-double fabs(double x);
-double sqrt(double sqrt);
-double cos(double x);
-double sin(double x);
+double ORCA_IMPORT(fabs)(double x);
+double ORCA_IMPORT(sqrt)(double sqrt);
+double ORCA_IMPORT(cos)(double x);
+double ORCA_IMPORT(sin)(double x);
 
 #endif