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https://sourceware.org/git/?p=binutils-gdb.git;a=patch;h=80d1206d7fea6eb756183e2825abdfd0f00cd976
https://sourceware.org/PR27999
From 80d1206d7fea6eb756183e2825abdfd0f00cd976 Mon Sep 17 00:00:00 2001
From: Andreas Schwab <schwab@suse.de>
Date: Mon, 21 Jun 2021 11:38:23 +0200
Subject: [PATCH] gdb: Support DW_LLE_start_end
Without that it is impossible to debug on riscv64.
--- a/gdb/dwarf2/loc.c
+++ b/gdb/dwarf2/loc.c
@@ -255,9 +255,27 @@ decode_debug_loclists_addresses (dwarf2_per_cu_data *per_cu,
*new_ptr = loc_ptr;
return DEBUG_LOC_OFFSET_PAIR;
+ case DW_LLE_start_end:
+ if (loc_ptr + 2 * addr_size > buf_end)
+ return DEBUG_LOC_BUFFER_OVERFLOW;
+
+ if (signed_addr_p)
+ *low = extract_signed_integer (loc_ptr, addr_size, byte_order);
+ else
+ *low = extract_unsigned_integer (loc_ptr, addr_size, byte_order);
+
+ loc_ptr += addr_size;
+ if (signed_addr_p)
+ *high = extract_signed_integer (loc_ptr, addr_size, byte_order);
+ else
+ *high = extract_unsigned_integer (loc_ptr, addr_size, byte_order);
+
+ loc_ptr += addr_size;
+ *new_ptr = loc_ptr;
+ return DEBUG_LOC_START_END;
+
/* Following cases are not supported yet. */
case DW_LLE_startx_endx:
- case DW_LLE_start_end:
case DW_LLE_default_location:
default:
return DEBUG_LOC_INVALID_ENTRY;
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