Add basic arm32 ABI support (linux_arm32)

src/build_settings.cpp

@@ -30,6 +30,7 @@ enum TargetArchKind : u16 {
 
 	TargetArch_amd64,
 	TargetArch_i386,
+	TargetArch_arm32,
 	TargetArch_arm64,
 	TargetArch_wasm32,
 	TargetArch_wasm64,
@@ -75,6 +76,7 @@ String target_arch_names[TargetArch_COUNT] = {
 	str_lit(""),
 	str_lit("amd64"),
 	str_lit("i386"),
+	str_lit("arm32"),
 	str_lit("arm64"),
 	str_lit("wasm32"),
 	str_lit("wasm64"),
@@ -98,6 +100,7 @@ TargetEndianKind target_endians[TargetArch_COUNT] = {
 	TargetEndian_Little,
 	TargetEndian_Little,
 	TargetEndian_Little,
+	TargetEndian_Little,
 };
 
 #ifndef ODIN_VERSION_RAW
@@ -367,7 +370,16 @@ gb_global TargetMetrics target_linux_arm64 = {
 	8,
 	16,
 	str_lit("aarch64-linux-elf"),
-	str_lit("e-m:e-i8:8:32-i16:32-i64:64-i128:128-n32:64-S128"),
+	str_lit("e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"),
+};
+
+gb_global TargetMetrics target_linux_arm32 = {
+	TargetOs_linux,
+	TargetArch_arm32,
+	4,
+	8,
+	str_lit("aapcs-linux-gnu"),
+	str_lit("e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"),
 };
 
 gb_global TargetMetrics target_darwin_amd64 = {
@@ -483,6 +495,7 @@ gb_global NamedTargetMetrics named_targets[] = {
 	{ str_lit("linux_i386"),          &target_linux_i386     },
 	{ str_lit("linux_amd64"),         &target_linux_amd64    },
 	{ str_lit("linux_arm64"),         &target_linux_arm64    },
+	{ str_lit("linux_arm32"),         &target_linux_arm32    },
 	{ str_lit("windows_i386"),        &target_windows_i386   },
 	{ str_lit("windows_amd64"),       &target_windows_amd64  },
 	{ str_lit("freebsd_i386"),        &target_freebsd_i386   },