From 0ff948af3d65150f44c9fe801ada806ce0637fe1 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Mon, 9 Sep 2024 20:48:08 -0400
Subject: relocation table hell

---
 include/mips32.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'include/mips32.h')

diff --git a/include/mips32.h b/include/mips32.h
index ce0e997..228e213 100644
--- a/include/mips32.h
+++ b/include/mips32.h
@@ -117,6 +117,7 @@ enum mips32_instruction_type {
 	MIPS32_INS_SRLV,
 	MIPS32_INS_SUB,
 	MIPS32_INS_SUBU,
+	MIPS32_INS_SYSCALL,
 	MIPS32_INS_OR,
 	MIPS32_INS_ORI,
 	MIPS32_INS_NOR,
@@ -447,6 +448,10 @@ MIPS32_INS(SUB, R, .op = MIPS32_OP_SPECIAL, .funct = MIPS32_FUNCT_SUB)
 #define MIPS32_FUNCT_SUBU    0b100011
 MIPS32_INS(SUBU, R, .op = MIPS32_OP_SPECIAL, .funct = MIPS32_FUNCT_SUBU)
 
+/* SYSCALL - syscall */
+#define MIPS32_FUNCT_SYSCALL 0b001100
+MIPS32_INS(SYSCALL, R, .op = MIPS32_OP_SPECIAL, .funct = MIPS32_FUNCT_SYSCALL)
+
 /* OR - or */
 #define MIPS32_FUNCT_OR      0b100101
 MIPS32_INS(OR, R, .op = MIPS32_OP_SPECIAL, .funct = MIPS32_FUNCT_OR)
@@ -478,11 +483,14 @@ enum mips32_directive_type {
 	MIPS32_DIRECTIVE_HALF,
 	MIPS32_DIRECTIVE_BYTE,
 	MIPS32_DIRECTIVE_SECTION,
+	MIPS32_DIRECTIVE_EXTERN,
+	MIPS32_DIRECTIVE_GLOBL,
 };
 
 /* mip32 directive */
 struct mips32_directive {
 	enum mips32_directive_type type;
+	uint32_t len; // used for words, halfs, bytes
 	union {
 		uint16_t align;
 		uint16_t space;
-- 
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