From b1662f8a75d78b3a04afd0f967561f8c5d8e4412 Mon Sep 17 00:00:00 2001
From: Taylor R Campbell <riastradh@NetBSD.org>
Date: Sat, 18 Nov 2023 03:45:01 +0000
Subject: [PATCH] alpha: Split kernel into RX, R-only, and RW segments.

PR port-alpha/57701

XXX pullup-10
XXX pullup-9
---
 sys/arch/alpha/conf/kern.ldscript | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/sys/arch/alpha/conf/kern.ldscript b/sys/arch/alpha/conf/kern.ldscript
index 1f14867634c3..e403140d73fc 100644
--- a/sys/arch/alpha/conf/kern.ldscript
+++ b/sys/arch/alpha/conf/kern.ldscript
@@ -20,14 +20,14 @@ SECTIONS
 		*(.text)
 		*(.text.*)
 		*(.stub)
-	} =0x47ff041f
+	} :rxmain =0x47ff041f
 	_etext = . ;
 	PROVIDE (etext = .);
 
 	.rodata	:
 	{
 		*(.rodata .rodata.*)
-	}
+	} :romain
 
 	.data	:
 	{
@@ -41,7 +41,7 @@ SECTIONS
 
 		. = ALIGN(COHERENCY_UNIT);
 		*(.data.*)
-	}
+	} :rwmain
 
 	/*
 	 * Small-data located along side GOT and small-bss for
@@ -51,12 +51,12 @@ SECTIONS
 	.got	:
 	{
 		*(.got)
-	}
+	} :rwmain
 
 	.sdata	:
 	{
 		*(.sdata .sdata.*)
-	}
+	} :rwmain
 	_edata = . ;
 	PROVIDE (edata = .) ;
 
@@ -66,13 +66,13 @@ SECTIONS
 	{
 		*(.sbss .sbss.*)
 		*(.scommon)
-	}
+	} :rwmain
 
 	.bss	:
 	{
 		*(.bss .bss.*)
 		*(COMMON)
-	}
+	} :rwmain
 
 	/* End of the kernel image */
 	__kernel_end = . ;
@@ -82,5 +82,12 @@ SECTIONS
 	.note.netbsd.ident :
 	{
 		KEEP(*(.note.netbsd.ident));
-	}
+	} :romain
+}
+
+PHDRS
+{
+	rxmain PT_LOAD;
+	romain PT_LOAD;
+	rwmain PT_LOAD;
 }