8af5f7adcd
- gdb-support-dw-lle-start-end.patch: Support DW_LLE_start_end (bsc#1187044) OBS-URL: https://build.opensuse.org/request/show/901554 OBS-URL: https://build.opensuse.org/package/show/devel:gcc/gdb?expand=0&rev=287
46 lines
1.4 KiB
Diff
46 lines
1.4 KiB
Diff
From 80d1206d7fea6eb756183e2825abdfd0f00cd976 Mon Sep 17 00:00:00 2001
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From: Andreas Schwab <schwab@suse.de>
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Date: Mon, 21 Jun 2021 11:38:23 +0200
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Subject: [PATCH] gdb: Support DW_LLE_start_end
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Without that it is impossible to debug on riscv64.
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gdb/
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PR symtab/27999
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* dwarf2/loc.c (decode_debug_loclists_addresses): Support
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DW_LLE_start_end.
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diff --git a/gdb/dwarf2/loc.c b/gdb/dwarf2/loc.c
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index b7e30e3cb4a..d57cdc165ba 100644
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--- a/gdb/dwarf2/loc.c
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+++ b/gdb/dwarf2/loc.c
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@@ -255,9 +255,27 @@ decode_debug_loclists_addresses (dwarf2_per_cu_data *per_cu,
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*new_ptr = loc_ptr;
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return DEBUG_LOC_OFFSET_PAIR;
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+ case DW_LLE_start_end:
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+ if (loc_ptr + 2 * addr_size > buf_end)
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+ return DEBUG_LOC_BUFFER_OVERFLOW;
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+
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+ if (signed_addr_p)
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+ *low = extract_signed_integer (loc_ptr, addr_size, byte_order);
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+ else
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+ *low = extract_unsigned_integer (loc_ptr, addr_size, byte_order);
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+
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+ loc_ptr += addr_size;
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+ if (signed_addr_p)
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+ *high = extract_signed_integer (loc_ptr, addr_size, byte_order);
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+ else
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+ *high = extract_unsigned_integer (loc_ptr, addr_size, byte_order);
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+
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+ loc_ptr += addr_size;
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+ *new_ptr = loc_ptr;
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+ return DEBUG_LOC_START_END;
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+
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/* Following cases are not supported yet. */
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case DW_LLE_startx_endx:
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- case DW_LLE_start_end:
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case DW_LLE_default_location:
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default:
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return DEBUG_LOC_INVALID_ENTRY;
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