From 473550130c03963d4329fbae5a95a0562286dc49 Mon Sep 17 00:00:00 2001
From: David Anderson <dvander@alliedmods.net>
Date: Mon, 1 Jan 2007 20:58:02 +0000
Subject: [PATCH] some more API calls fixed another bug in debug section

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40258
---
 sourcepawn/include/sp_vm_api.h | 14 ++++++++++++++
 sourcepawn/jit/x86/jit_x86.cpp | 29 +++++++++++++++++++++++++++--
 sourcepawn/jit/x86/jit_x86.h   |  2 ++
 3 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/sourcepawn/include/sp_vm_api.h b/sourcepawn/include/sp_vm_api.h
index 93fedf57..b576d849 100644
--- a/sourcepawn/include/sp_vm_api.h
+++ b/sourcepawn/include/sp_vm_api.h
@@ -608,6 +608,20 @@ namespace SourcePawn
 		 * @return			Number of functions.
 		 */
 		virtual unsigned int FunctionCount(const sp_context_t *ctx) =0;
+
+		/**
+		 * @brief Returns a version string.
+		 *
+		 * @return			Versioning string.
+		 */
+		virtual const char *GetVersionString() =0;
+
+		/**
+		 * @brief Returns a string describing optimizations.
+		 *
+		 * @return			String describing CPU specific optimizations.
+		 */
+		virtual const char *GetCPUOptimizations() =0;
 	};
 };
 
diff --git a/sourcepawn/jit/x86/jit_x86.cpp b/sourcepawn/jit/x86/jit_x86.cpp
index fb71321c..346cacfb 100644
--- a/sourcepawn/jit/x86/jit_x86.cpp
+++ b/sourcepawn/jit/x86/jit_x86.cpp
@@ -2119,8 +2119,23 @@ jit_rewind:
 		{
 			sym = (sp_fdbg_symbol_t *)cursor;
 
-			ctx->symbols[iter].codestart = RelocLookup(jit, sym->codestart, false);
-			ctx->symbols[iter].codeend = RelocLookup(jit, sym->codeend, false);
+			/**
+			 * @brief There is an "issue" where the compiler will give totally bogus code 
+			 * address because codegeneration is still being calculated.  A simple fix for 
+			 * this is to coerce the codestart value to 0 when it's invalid.
+			 */
+			if (sym->codestart > data->codesize)
+			{
+				ctx->symbols[iter].codestart = 0;
+			} else {
+				ctx->symbols[iter].codestart = RelocLookup(jit, sym->codestart, false);
+			}
+			if (sym->codeend > data->codesize)
+			{
+				ctx->symbols[iter].codeend = data->codesize;
+			} else {
+				ctx->symbols[iter].codeend = RelocLookup(jit, sym->codeend, false);
+			}
 			ctx->symbols[iter].name = strbase + sym->name;
 			ctx->symbols[iter].sym = sym;
 
@@ -2261,3 +2276,13 @@ unsigned int JITX86::FunctionCount(const sp_context_t *ctx)
 
 	return fnc->num_functions;
 }
+
+const char *JITX86::GetVersionString()
+{
+	return "1.0.0.0";
+}
+
+const char *JITX86::GetCPUOptimizations()
+{
+	return "Generic 80486";
+}
diff --git a/sourcepawn/jit/x86/jit_x86.h b/sourcepawn/jit/x86/jit_x86.h
index 05d3a2a8..fcdcbccf 100644
--- a/sourcepawn/jit/x86/jit_x86.h
+++ b/sourcepawn/jit/x86/jit_x86.h
@@ -81,6 +81,8 @@ public:
 	unsigned int GetAPIVersion();
 	bool FunctionLookup(const sp_context_t *ctx, uint32_t code_addr, unsigned int *result);
 	unsigned int FunctionCount(const sp_context_t *ctx);
+	const char *GetVersionString();
+	const char *GetCPUOptimizations();
 };
 
 cell_t NativeCallback(sp_context_t *ctx, ucell_t native_idx, cell_t *params);