From 5972c4a4113e2a4de5edf519faf15296ae1eb3ed Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 18 Apr 2016 05:19:13 +0000
Subject: add mips n32 port (ILP32 ABI for mips64)

based on patch submitted by Jaydeep Patil, with minor changes.
---
 arch/mipsn32/reloc.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 arch/mipsn32/reloc.h

(limited to 'arch/mipsn32/reloc.h')

diff --git a/arch/mipsn32/reloc.h b/arch/mipsn32/reloc.h
new file mode 100644
index 00000000..728aaab2
--- /dev/null
+++ b/arch/mipsn32/reloc.h
@@ -0,0 +1,52 @@
+#include <endian.h>
+
+#if __mips_isa_rev >= 6
+#define ISA_SUFFIX "r6"
+#else
+#define ISA_SUFFIX ""
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define ENDIAN_SUFFIX "el"
+#else
+#define ENDIAN_SUFFIX ""
+#endif
+
+#ifdef __mips_soft_float
+#define FP_SUFFIX "-sf"
+#else
+#define FP_SUFFIX ""
+#endif
+
+#define LDSO_ARCH "mipsn32" ISA_SUFFIX ENDIAN_SUFFIX FP_SUFFIX
+
+#define TPOFF_K (-0x7000)
+
+#define REL_SYM_OR_REL  R_MIPS_REL32
+#define REL_PLT         R_MIPS_JUMP_SLOT
+#define REL_COPY        R_MIPS_COPY
+#define REL_DTPMOD      R_MIPS_TLS_DTPMOD32
+#define REL_DTPOFF      R_MIPS_TLS_DTPREL32
+#define REL_TPOFF       R_MIPS_TLS_TPREL32
+
+#define NEED_MIPS_GOT_RELOCS 1
+#define DT_DEBUG_INDIRECT DT_MIPS_RLD_MAP
+#define ARCH_SYM_REJECT_UND(s) (!((s)->st_other & STO_MIPS_PLT))
+
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+	"move $sp,%1 ; jr %0" : : "r"(pc), "r"(sp) : "memory" )
+
+#define GETFUNCSYM(fp, sym, got) __asm__ ( \
+	".hidden " #sym "\n" \
+	".set push \n" \
+	".set noreorder \n" \
+	"	bal 1f \n" \
+	"	nop \n" \
+	"	.gpword . \n" \
+	"	.gpword " #sym " \n" \
+	"1:	lw %0, ($ra) \n" \
+	"	subu %0, $ra, %0 \n" \
+	"	lw $ra, 4($ra) \n" \
+	"	addu %0, %0, $ra \n" \
+	".set pop \n" \
+	: "=r"(*(fp)) : : "memory", "ra" )
-- 
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