From cc4b7d6bb3b1ec6c52aa6bce1c892218d4c1a2f4 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Fri, 24 Mar 2023 09:57:33 +0100 Subject: [PATCH] Disallow -gno-dwarf, gno-dwarf-N, -gno-gdb and -gno-vms The following adds RejectNegative to the gdwarf, gdwarf-, ggdb and gvms options since the current behavior is to treat the negative variant the same as the positive variant. In particular -ggdb -gno-gdb do not cancel, and plain -gno-dwarf will enable (dwarf!) debug output. Rejecting the negative forms avoids interpreting sensible behavior to combinations of options like -gdwarf-5 -gno-dwarf-3 and sticks to the behavior that later -g options simply override earlier ones and the only negative form is -g0. * common.opt (gdwarf): Add RejectNegative. (gdwarf-): Likewise. (ggdb): Likewise. (gvms): Likewise. --- gcc/common.opt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/gcc/common.opt b/gcc/common.opt index e558385..4546acb 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -3349,11 +3349,11 @@ Common Driver RejectNegative JoinedOrMissing Generate BTF debug information at default level. gdwarf -Common Driver JoinedOrMissing Negative(gdwarf-) +Common Driver JoinedOrMissing Negative(gdwarf-) RejectNegative Generate debug information in default version of DWARF format. gdwarf- -Common Driver Joined UInteger Var(dwarf_version) Init(DWARF_VERSION_DEFAULT) +Common Driver Joined UInteger Var(dwarf_version) Init(DWARF_VERSION_DEFAULT) RejectNegative Generate debug information in DWARF v2 (or later) format. gdwarf32 @@ -3365,7 +3365,7 @@ Common Driver Var(dwarf_offset_size,8) RejectNegative Use 64-bit DWARF format when emitting DWARF debug information. ggdb -Common Driver JoinedOrMissing +Common Driver JoinedOrMissing RejectNegative Generate debug information in default extended format. ginline-points @@ -3432,7 +3432,7 @@ gvariable-location-views=incompat5 Common Driver RejectNegative Var(debug_variable_location_views, -1) Init(2) gvms -Common Driver JoinedOrMissing +Common Driver JoinedOrMissing RejectNegative Generate debug information in VMS format. gxcoff -- 2.7.4