From bd5969fc876a10b18613302db7087ef3c40f18e1 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 7 Mar 2024 17:28:00 -0500
Subject: lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 lib/mlibc/sysdeps/linux/riscv64/crt-src/Scrt1.S | 18 ++++++++++++++++++
 lib/mlibc/sysdeps/linux/riscv64/crt-src/crt1.S  | 15 +++++++++++++++
 lib/mlibc/sysdeps/linux/riscv64/crt-src/crti.S  | 11 +++++++++++
 lib/mlibc/sysdeps/linux/riscv64/crt-src/crtn.S  |  7 +++++++
 4 files changed, 51 insertions(+)
 create mode 100644 lib/mlibc/sysdeps/linux/riscv64/crt-src/Scrt1.S
 create mode 100644 lib/mlibc/sysdeps/linux/riscv64/crt-src/crt1.S
 create mode 100644 lib/mlibc/sysdeps/linux/riscv64/crt-src/crti.S
 create mode 100644 lib/mlibc/sysdeps/linux/riscv64/crt-src/crtn.S

(limited to 'lib/mlibc/sysdeps/linux/riscv64/crt-src')

diff --git a/lib/mlibc/sysdeps/linux/riscv64/crt-src/Scrt1.S b/lib/mlibc/sysdeps/linux/riscv64/crt-src/Scrt1.S
new file mode 100644
index 0000000..9ee8625
--- /dev/null
+++ b/lib/mlibc/sysdeps/linux/riscv64/crt-src/Scrt1.S
@@ -0,0 +1,18 @@
+.section .text
+.global _start
+_start:
+	.weak __global_pointer$
+	.hidden __global_pointer$
+	.option push
+	.option norelax
+	lla gp, __global_pointer$
+	.option pop
+
+	mv a0, sp
+	la a1, main
+	call __mlibc_entry@plt
+	unimp
+
+
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/linux/riscv64/crt-src/crt1.S b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crt1.S
new file mode 100644
index 0000000..16c79d6
--- /dev/null
+++ b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crt1.S
@@ -0,0 +1,15 @@
+.section .text
+.global _start
+_start:
+	.weak __global_pointer$
+	.hidden __global_pointer$
+	.option push
+	.option norelax
+	lla gp, __global_pointer$
+	.option pop
+
+	mv a0, sp
+	la a1, main
+	call __mlibc_entry
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/linux/riscv64/crt-src/crti.S b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crti.S
new file mode 100644
index 0000000..69f23ea
--- /dev/null
+++ b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crti.S
@@ -0,0 +1,11 @@
+.section .init
+.global _init
+_init:
+	unimp
+
+.section .fini
+.global _fini
+_fini:
+	unimp
+.section .note.GNU-stack,"",%progbits
+
diff --git a/lib/mlibc/sysdeps/linux/riscv64/crt-src/crtn.S b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crtn.S
new file mode 100644
index 0000000..525efd6
--- /dev/null
+++ b/lib/mlibc/sysdeps/linux/riscv64/crt-src/crtn.S
@@ -0,0 +1,7 @@
+.section .init
+	unimp
+
+.section .fini
+	unimp
+.section .note.GNU-stack,"",%progbits
+
-- 
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