Merge pull request #23 from japaric/gh21

place the .debug_gdb_scripts at the beginning of the .text section
rust-embedded · Jul 1, 2017 · 91c9906 · 91c9906
2 parents 29e590b + dc8ea4f
commit 91c9906
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/link.x b/link.x
@@ -59,7 +59,10 @@ SECTIONS
      remove the allocatable bit. Unfortunately, it appears
      that the only way to do this in a linker script is
      the extremely obscure "INFO" output section type specifier. */
-  .debug_gdb_scripts 0 (INFO) : {
+  /* a rustc hack will force the program to read the first byte of this section,
+     so we'll set the (fake) start address of this section to something we're
+     sure can be read at runtime: the start of the .text section */
+  .debug_gdb_scripts _stext (INFO) : {
     KEEP(*(.debug_gdb_scripts))
   }