From fb85f9d05f09a3e122d702f85b8af306a3999357 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 4 Jan 2017 21:03:59 +0100 Subject: [PATCH] dwarf2out.c (output_loc_list): Don't throw away 64K+ location descriptions for -gdwarf-5 and emit them as... * dwarf2out.c (output_loc_list): Don't throw away 64K+ location descriptions for -gdwarf-5 and emit them as uleb128 instead of 2-byte data. From-SVN: r244069 --- gcc/ChangeLog | 6 ++++++ gcc/dwarf2out.c | 13 ++++++++----- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5568ec6c1a4..242bf697bc4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-01-04 Jakub Jelinek + + * dwarf2out.c (output_loc_list): Don't throw away 64K+ location + descriptions for -gdwarf-5 and emit them as uleb128 instead of + 2-byte data. + 2017-01-04 Kelvin Nilsen PR target/78056 diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index 15b9a30a307..8abeb7abf65 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -9586,7 +9586,7 @@ output_loc_list (dw_loc_list_ref list_head) perhaps put it into DW_TAG_dwarf_procedure and refer to that in the expression, but >= 64KB expressions for a single value in a single range are unlikely very useful. */ - if (size > 0xffff) + if (dwarf_version < 5 && size > 0xffff) continue; if (dwarf_version >= 5) { @@ -9638,8 +9638,6 @@ output_loc_list (dw_loc_list_ref list_head) if (strcmp (curr2->begin, curr2->end) == 0 && !curr2->force) continue; - if ((unsigned long) size_of_locs (curr2->expr) > 0xffff) - continue; break; } if (curr2 == NULL || curr->section != curr2->section) @@ -9740,8 +9738,13 @@ output_loc_list (dw_loc_list_ref list_head) } /* Output the block length for this list of location operations. */ - gcc_assert (size <= 0xffff); - dw2_asm_output_data (2, size, "%s", "Location expression size"); + if (dwarf_version >= 5) + dw2_asm_output_data_uleb128 (size, "Location expression size"); + else + { + gcc_assert (size <= 0xffff); + dw2_asm_output_data (2, size, "Location expression size"); + } output_loc_sequence (curr->expr, -1); } -- 2.30.2