fix: strip comments before processing linker script

Author: alex-tdrn

Cargo.lock

@@ -16,6 +16,7 @@ evalexpr = "12"
 getrandom = "0.2"
 log = "0.4"
 object = { version = "0.35", default-features = false, features = ["read_core", "elf", "std"] }
+regex = "1.11"
 
 [dev-dependencies]
 assert_cmd = "2.0"

Cargo.toml

@@ -13,6 +13,8 @@ use std::{
 
 use object::{elf, Object as _, ObjectSection, SectionFlags};
 
+use regex::Regex;
+
 type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
 const EXIT_CODE_FAILURE: i32 = 1;
@@ -299,6 +301,9 @@ fn get_includes_from_linker_script(linker_script: &str) -> Vec<&str> {
 /// Looks for "RAM : ORIGIN = $origin, LENGTH = $length"
 // FIXME this is a dumb line-by-line parser
 fn find_ram_in_linker_script(linker_script: &str) -> Option<MemoryEntry> {
+    // strip any multiline comments in the linker script before processing
+    let re = Regex::new(r"(?s)/\*.*?\*/").unwrap();
+    let linker_script = re.replace_all(linker_script, "");
     for (index, mut line) in linker_script.lines().enumerate() {
         line = line.trim();
         line = eat!(line, "RAM");