Added support for GNU Linker Script (#3373)

Author: RunDevelopment

components.js

@@ -507,6 +507,11 @@
 			"alias": "gni",
 			"owner": "RunDevelopment"
 		},
+		"linker-script": {
+			"title": "GNU Linker Script",
+			"alias": "ld",
+			"owner": "RunDevelopment"
+		},
 		"go": {
 			"title": "Go",
 			"require": "clike",

components.json

@@ -0,0 +1,30 @@
+Prism.languages['linker-script'] = {
+	'comment': {
+		pattern: /(^|\s)\/\*[\s\S]*?(?:$|\*\/)/,
+		lookbehind: true,
+		greedy: true
+	},
+	'identifier': {
+		pattern: /"[^"\r\n]*"/,
+		greedy: true
+	},
+
+	'location-counter': {
+		pattern: /\B\.\B/,
+		alias: 'important'
+	},
+
+	'section': {
+		pattern: /(^|[^\w*])\.\w+\b/,
+		lookbehind: true,
+		alias: 'keyword'
+	},
+	'function': /\b[A-Z][A-Z_]*(?=\s*\()/,
+
+	'number': /\b(?:0[xX][a-fA-F0-9]+|\d+)[KM]?\b/,
+
+	'operator': />>=?|<<=?|->|\+\+|--|&&|\|\||::|[?:~]|[-+*/%&|^!=<>]=?/,
+	'punctuation': /[(){},;]/
+};
+
+Prism.languages['ld'] = Prism.languages['linker-script'];

components/prism-linker-script.js

@@ -0,0 +1,53 @@
+<h2>Full example</h2>
+<pre><code>/* Source: https://github.com/stivale/stivale2-barebones/blob/master/kernel/linker.ld */
+
+/* We want the symbol _start to be our entry point */
+ENTRY(_start)
+
+/* Define the program headers we want so the bootloader gives us the right */
+/* MMU permissions */
+PHDRS
+{
+    null    PT_NULL    FLAGS(0) ;                   /* Null segment */
+    text    PT_LOAD    FLAGS((1 &lt;&lt; 0) | (1 &lt;&lt; 2)) ; /* Execute + Read */
+    rodata  PT_LOAD    FLAGS((1 &lt;&lt; 2)) ;            /* Read only */
+    data    PT_LOAD    FLAGS((1 &lt;&lt; 1) | (1 &lt;&lt; 2)) ; /* Write + Read */
+}
+
+SECTIONS
+{
+    /* We wanna be placed in the topmost 2GiB of the address space, for optimisations */
+    /* and because that is what the stivale2 spec mandates. */
+    /* Any address in this region will do, but often 0xffffffff80000000 is chosen as */
+    /* that is the beginning of the region. */
+    . = 0xffffffff80000000;
+
+    .text : {
+        *(.text .text.*)
+    } :text
+
+    /* Move to the next memory page for .rodata */
+    . += CONSTANT(MAXPAGESIZE);
+
+    /* We place the .stivale2hdr section containing the header in its own section, */
+    /* and we use the KEEP directive on it to make sure it doesn't get discarded. */
+    .stivale2hdr : {
+        KEEP(*(.stivale2hdr))
+    } :rodata
+
+    .rodata : {
+        *(.rodata .rodata.*)
+    } :rodata
+
+    /* Move to the next memory page for .data */
+    . += CONSTANT(MAXPAGESIZE);
+
+    .data : {
+        *(.data .data.*)
+    } :data
+
+    .bss : {
+        *(COMMON)
+        *(.bss .bss.*)
+    } :data
+}</code></pre>

components/prism-linker-script.min.js

@@ -199,6 +199,7 @@
 		"gamemakerlanguage": "gml",
 		"po": "gettext",
 		"gni": "gn",
+		"ld": "linker-script",
 		"go-mod": "go-module",
 		"hbs": "handlebars",
 		"hs": "haskell",

examples/prism-linker-script.html

@@ -102,6 +102,8 @@
 		"glsl": "GLSL",
 		"gn": "GN",
 		"gni": "GN",
+		"linker-script": "GNU Linker Script",
+		"ld": "GNU Linker Script",
 		"go-module": "Go module",
 		"go-mod": "Go module",
 		"graphql": "GraphQL",