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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-3740] [Ada] Follow-up tweaks to System.Dwarf_Line Date: Tue, 21 Sep 2021 15:26:54 +0000 (GMT) [thread overview] Message-ID: <20210921152654.DEF413857C77@sourceware.org> (raw) https://gcc.gnu.org/g:97c5d522c6ee36b7ed1824d1eb6b8f30172c1818 commit r12-3740-g97c5d522c6ee36b7ed1824d1eb6b8f30172c1818 Author: Eric Botcazou <ebotcazou@adacore.com> Date: Tue Jul 6 12:18:57 2021 +0200 [Ada] Follow-up tweaks to System.Dwarf_Line gcc/ada/ * libgnat/s-dwalin.adb (Skip_Form): Fix cases of DW_FORM_addrx and DW_FORM_implicit_const. Replace Constraint_Error with Dwarf_Error. Diff: --- gcc/ada/libgnat/s-dwalin.adb | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/gcc/ada/libgnat/s-dwalin.adb b/gcc/ada/libgnat/s-dwalin.adb index 530b8029427..74700e68bfc 100644 --- a/gcc/ada/libgnat/s-dwalin.adb +++ b/gcc/ada/libgnat/s-dwalin.adb @@ -1114,8 +1114,6 @@ package body System.Dwarf_Lines is case Form is when DW_FORM_addr => Skip := Offset (Ptr_Sz); - when DW_FORM_addrx => - Skip := Offset (uint32'(Read_LEB128 (S))); when DW_FORM_block1 => Skip := Offset (uint8'(Read (S))); when DW_FORM_block2 => @@ -1161,11 +1159,12 @@ package body System.Dwarf_Lines is begin return; end; - when DW_FORM_udata - | DW_FORM_ref_udata + when DW_FORM_addrx | DW_FORM_loclistx + | DW_FORM_ref_udata | DW_FORM_rnglistx | DW_FORM_strx + | DW_FORM_udata => declare Val : constant uint32 := Read_LEB128 (S); @@ -1173,7 +1172,7 @@ package body System.Dwarf_Lines is begin return; end; - when DW_FORM_flag_present => + when DW_FORM_flag_present | DW_FORM_implicit_const => return; when DW_FORM_ref_addr | DW_FORM_sec_offset @@ -1187,10 +1186,10 @@ package body System.Dwarf_Lines is null; end loop; return; - when DW_FORM_implicit_const | DW_FORM_indirect => - raise Constraint_Error; + when DW_FORM_indirect => + raise Dwarf_Error with "DW_FORM_indirect not implemented"; when others => - raise Constraint_Error; + raise Dwarf_Error with "DWARF form not implemented"; end case; Seek (S, Tell (S) + Skip);
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