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authorTom Tromey <tom@tromey.com>2016-09-27 11:18:04 -0600
committerTom Tromey <tom@tromey.com>2018-05-04 22:04:46 -0600
commit86a73007627a3c52d1c624ed430ac0e74fb8cc3e (patch)
treead67b366d7e2f0a4c125171c9651184cfaef95c0
parent4e6fe7477a4e9260777cbaa01f70df7ae5f063bb (diff)
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Fix "fall through" comments
This patch updates existing "fall through" comments so that they can be recognized by gcc's -Wimplicit-fallthrough comment-parsing heuristic. ChangeLog 2018-05-04 Tom Tromey <tom@tromey.com> * s390-tdep.c (s390_process_record): Fix fall-through comments. * xcoffread.c (scan_xcoff_symtab): Move comment later. * symfile.c (section_is_mapped): Fix fall-through comment. * stabsread.c (define_symbol, read_member_functions): Fix fall-through comment. * s390-linux-tdep.c (s390_process_record): Fix fall-through comment. * remote.c (remote_wait_as): Fix fall-through comment. * p-exp.y (yylex): Fix fall-through comment. * nat/x86-dregs.c (x86_length_and_rw_bits): Fix fall-through comment. * msp430-tdep.c (msp430_gdbarch_init): Fix fall-through comment. * mdebugread.c (parse_partial_symbols): Fix fall-through comment. * jv-exp.y (yylex): Fix fall-through comment. * go-exp.y (lex_one_token): Fix fall-through comment. * gdbtypes.c (get_discrete_bounds, rank_one_type): Fix fall-through comment. * f-exp.y (yylex): Fix fall-through comment. * dwarf2read.c (process_die): Fix fall-through comments. * dbxread.c (process_one_symbol): Fix fall-through comment. * d-exp.y (lex_one_token): Fix fall-through comment. * cp-name-parser.y (yylex): Fix fall-through comment. * coffread.c (coff_symtab_read): Fix fall-through comment. * c-exp.y (lex_one_token): Fix fall-through comment. * arm-tdep.c (arm_decode_miscellaneous): Fix fall-through comment. * arch/arm.c (arm_instruction_changes_pc): Fix fall-through comment.
-rw-r--r--gdb/ChangeLog31
-rw-r--r--gdb/arch/arm.c3
-rw-r--r--gdb/arm-tdep.c1
-rw-r--r--gdb/c-exp.y2
-rw-r--r--gdb/coffread.c3
-rw-r--r--gdb/cp-name-parser.y2
-rw-r--r--gdb/d-exp.y2
-rw-r--r--gdb/dbxread.c4
-rw-r--r--gdb/dwarf2read.c3
-rw-r--r--gdb/f-exp.y2
-rw-r--r--gdb/gdbtypes.c6
-rw-r--r--gdb/go-exp.y2
-rw-r--r--gdb/mdebugread.c3
-rw-r--r--gdb/msp430-tdep.c2
-rw-r--r--gdb/nat/x86-dregs.c2
-rw-r--r--gdb/p-exp.y2
-rw-r--r--gdb/remote.c2
-rw-r--r--gdb/s390-tdep.c6
-rw-r--r--gdb/stabsread.c5
-rw-r--r--gdb/symfile.c2
-rw-r--r--gdb/xcoffread.c2
21 files changed, 63 insertions, 24 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index f91a976..b7ae0e3 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,36 @@
2018-05-04 Tom Tromey <tom@tromey.com>
+ * s390-tdep.c (s390_process_record): Fix fall-through comments.
+ * xcoffread.c (scan_xcoff_symtab): Move comment later.
+ * symfile.c (section_is_mapped): Fix fall-through comment.
+ * stabsread.c (define_symbol, read_member_functions): Fix
+ fall-through comment.
+ * s390-linux-tdep.c (s390_process_record): Fix fall-through
+ comment.
+ * remote.c (remote_wait_as): Fix fall-through comment.
+ * p-exp.y (yylex): Fix fall-through comment.
+ * nat/x86-dregs.c (x86_length_and_rw_bits): Fix fall-through
+ comment.
+ * msp430-tdep.c (msp430_gdbarch_init): Fix fall-through comment.
+ * mdebugread.c (parse_partial_symbols): Fix fall-through comment.
+ * jv-exp.y (yylex): Fix fall-through comment.
+ * go-exp.y (lex_one_token): Fix fall-through comment.
+ * gdbtypes.c (get_discrete_bounds, rank_one_type): Fix
+ fall-through comment.
+ * f-exp.y (yylex): Fix fall-through comment.
+ * dwarf2read.c (process_die): Fix fall-through comments.
+ * dbxread.c (process_one_symbol): Fix fall-through comment.
+ * d-exp.y (lex_one_token): Fix fall-through comment.
+ * cp-name-parser.y (yylex): Fix fall-through comment.
+ * coffread.c (coff_symtab_read): Fix fall-through comment.
+ * c-exp.y (lex_one_token): Fix fall-through comment.
+ * arm-tdep.c (arm_decode_miscellaneous): Fix fall-through
+ comment.
+ * arch/arm.c (arm_instruction_changes_pc): Fix fall-through
+ comment.
+
+2018-05-04 Tom Tromey <tom@tromey.com>
+
PR python/22730:
* NEWS: Mention gdb.execute change.
* gdbcmd.h (execute_control_command): Don't declare.
diff --git a/gdb/arch/arm.c b/gdb/arch/arm.c
index 560b8cc..41c91ba 100644
--- a/gdb/arch/arm.c
+++ b/gdb/arch/arm.c
@@ -153,7 +153,8 @@ arm_instruction_changes_pc (uint32_t this_instr)
modify PC. */
return 0;
}
- /* Data processing instruction. Fall through. */
+ /* Data processing instruction. */
+ /* Fall through. */
case 0x1:
if (bits (this_instr, 12, 15) == 15)
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 463fcaf..a188f0a 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -6568,6 +6568,7 @@ arm_decode_miscellaneous (struct gdbarch *gdbarch, uint32_t insn,
else if (op == 0x3)
/* Not really supported. */
return arm_copy_unmodified (gdbarch, insn, "smc", dsc);
+ /* Fall through. */
default:
return arm_copy_undef (gdbarch, insn, dsc);
diff --git a/gdb/c-exp.y b/gdb/c-exp.y
index 3cee544..5e10d2a3 100644
--- a/gdb/c-exp.y
+++ b/gdb/c-exp.y
@@ -2592,7 +2592,7 @@ lex_one_token (struct parser_state *par_state, bool *is_quoted_name)
last_was_structop = true;
goto symbol; /* Nope, must be a symbol. */
}
- /* FALL THRU into number case. */
+ /* FALL THRU. */
case '0':
case '1':
diff --git a/gdb/coffread.c b/gdb/coffread.c
index cad3e7e..192d38c 100644
--- a/gdb/coffread.c
+++ b/gdb/coffread.c
@@ -964,7 +964,8 @@ coff_symtab_read (minimal_symbol_reader &reader,
/* At least on a 3b1, gcc generates swbeg and string labels
that look like this. Ignore them. */
break;
- /* Fall in for static symbols that don't start with '.' */
+ /* For static symbols that don't start with '.'... */
+ /* Fall through. */
case C_THUMBEXT:
case C_THUMBEXTFUNC:
case C_EXT:
diff --git a/gdb/cp-name-parser.y b/gdb/cp-name-parser.y
index f1077e3..f522e46 100644
--- a/gdb/cp-name-parser.y
+++ b/gdb/cp-name-parser.y
@@ -1668,7 +1668,7 @@ yylex (void)
lexptr++;
return '-';
}
- /* FALL THRU into number case. */
+ /* FALL THRU. */
try_number:
case '0':
diff --git a/gdb/d-exp.y b/gdb/d-exp.y
index 03be93f..508927b 100644
--- a/gdb/d-exp.y
+++ b/gdb/d-exp.y
@@ -1109,7 +1109,7 @@ lex_one_token (struct parser_state *par_state)
last_was_structop = 1;
goto symbol; /* Nope, must be a symbol. */
}
- /* FALL THRU into number case. */
+ /* FALL THRU. */
case '0':
case '1':
diff --git a/gdb/dbxread.c b/gdb/dbxread.c
index bdf4fb9..d092689 100644
--- a/gdb/dbxread.c
+++ b/gdb/dbxread.c
@@ -2883,9 +2883,9 @@ process_one_symbol (int type, int desc, CORE_ADDR valu, const char *name,
unknown_symtype_complaint (hex_string (type));
/* FALLTHROUGH */
- /* The following symbol types don't need the address field
- relocated, since it is either unused, or is absolute. */
define_a_symbol:
+ /* These symbol types don't need the address field relocated,
+ since it is either unused, or is absolute. */
case N_GSYM: /* Global variable. */
case N_NSYMS: /* Number of symbols (Ultrix). */
case N_NOMAP: /* No map? (Ultrix). */
diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 380ff36..26ec5ef 100644
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -10578,7 +10578,8 @@ process_die (struct die_info *die, struct dwarf2_cu *cu)
cu->processing_has_namespace_info = 1;
if (read_namespace_alias (die, cu))
break;
- /* The declaration is not a global namespace alias: fall through. */
+ /* The declaration is not a global namespace alias. */
+ /* Fall through. */
case DW_TAG_imported_module:
cu->processing_has_namespace_info = 1;
if (die->child != NULL && (die->tag == DW_TAG_imported_declaration
diff --git a/gdb/f-exp.y b/gdb/f-exp.y
index ffd52cf..e39f684 100644
--- a/gdb/f-exp.y
+++ b/gdb/f-exp.y
@@ -1008,7 +1008,7 @@ yylex (void)
/* Might be a floating point number. */
if (lexptr[1] < '0' || lexptr[1] > '9')
goto symbol; /* Nope, must be a symbol. */
- /* FALL THRU into number case. */
+ /* FALL THRU. */
case '0':
case '1':
diff --git a/gdb/gdbtypes.c b/gdb/gdbtypes.c
index 9ecc80f..6d70006 100644
--- a/gdb/gdbtypes.c
+++ b/gdb/gdbtypes.c
@@ -1024,7 +1024,7 @@ get_discrete_bounds (struct type *type, LONGEST *lowp, LONGEST *highp)
*highp = -*lowp - 1;
return 0;
}
- /* ... fall through for unsigned ints ... */
+ /* fall through */
case TYPE_CODE_CHAR:
*lowp = 0;
/* This round-about calculation is to avoid shifting by
@@ -4145,7 +4145,7 @@ rank_one_type (struct type *parm, struct type *arg, struct value *value)
return INTEGER_CONVERSION_BADNESS;
else if (TYPE_LENGTH (arg) < TYPE_LENGTH (parm))
return INTEGER_PROMOTION_BADNESS;
- /* >>> !! else fall through !! <<< */
+ /* fall through */
case TYPE_CODE_CHAR:
/* Deal with signed, unsigned, and plain chars for C++ and
with int cases falling through from previous case. */
@@ -4251,7 +4251,7 @@ rank_one_type (struct type *parm, struct type *arg, struct value *value)
rank.subrank = distance_to_ancestor (parm, arg, 0);
if (rank.subrank >= 0)
return sum_ranks (BASE_CONVERSION_BADNESS, rank);
- /* else fall through */
+ /* fall through */
default:
return INCOMPATIBLE_TYPE_BADNESS;
}
diff --git a/gdb/go-exp.y b/gdb/go-exp.y
index a96e655..936d507 100644
--- a/gdb/go-exp.y
+++ b/gdb/go-exp.y
@@ -1088,7 +1088,7 @@ lex_one_token (struct parser_state *par_state)
last_was_structop = 1;
goto symbol; /* Nope, must be a symbol. */
}
- /* FALL THRU into number case. */
+ /* FALL THRU. */
case '0':
case '1':
diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c
index c0bce55..59c4c89 100644
--- a/gdb/mdebugread.c
+++ b/gdb/mdebugread.c
@@ -3698,7 +3698,8 @@ parse_partial_symbols (minimal_symbol_reader &reader,
break;
default:
unknown_ext_complaint (debug_info->ssext + psh->iss);
- /* Fall through, pretend it's global. */
+ /* Pretend it's global. */
+ /* Fall through. */
case stGlobal:
/* Global common symbols are resolved by the runtime loader,
ignore them. */
diff --git a/gdb/msp430-tdep.c b/gdb/msp430-tdep.c
index 169b7e9..b6e062a 100644
--- a/gdb/msp430-tdep.c
+++ b/gdb/msp430-tdep.c
@@ -908,8 +908,8 @@ msp430_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
code_model = ca_tdep->code_model;
break;
}
- /* Otherwise, fall through... */
}
+ /* Fall through. */
default:
error (_("Unknown msp430 isa"));
break;
diff --git a/gdb/nat/x86-dregs.c b/gdb/nat/x86-dregs.c
index f11a708..7604a36 100644
--- a/gdb/nat/x86-dregs.c
+++ b/gdb/nat/x86-dregs.c
@@ -253,7 +253,7 @@ Invalid hardware breakpoint type %d in x86_length_and_rw_bits.\n"),
case 8:
if (TARGET_HAS_DR_LEN_8)
return (DR_LEN_8 | rw);
- /* ELSE FALL THROUGH */
+ /* FALL THROUGH */
default:
internal_error (__FILE__, __LINE__, _("\
Invalid hardware breakpoint length %d in x86_length_and_rw_bits.\n"), len);
diff --git a/gdb/p-exp.y b/gdb/p-exp.y
index 6b857e1..d527b77 100644
--- a/gdb/p-exp.y
+++ b/gdb/p-exp.y
@@ -1224,7 +1224,7 @@ yylex (void)
goto symbol; /* Nope, must be a symbol. */
}
- /* FALL THRU into number case. */
+ /* FALL THRU. */
case '0':
case '1':
diff --git a/gdb/remote.c b/gdb/remote.c
index 34ae7c6..58ed9e4 100644
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -7675,7 +7675,7 @@ remote_wait_as (ptid_t ptid, struct target_waitstatus *status, int options)
putpkt (buf);
break;
}
- /* else fallthrough */
+ /* fallthrough */
default:
warning (_("Invalid remote reply: %s"), buf);
break;
diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c
index 227c709..4af035f 100644
--- a/gdb/s390-tdep.c
+++ b/gdb/s390-tdep.c
@@ -4318,7 +4318,8 @@ ex:
return -1;
break;
}
- /* For other instructions, fallthru. */
+ /* For other instructions... */
+ /* Fall through. */
default:
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KM* function %02x at %s.\n",
(int)tmp, paddress (gdbarch, addr));
@@ -4620,7 +4621,8 @@ ex:
return -1;
break;
}
- /* For KLMD, fallthru. */
+ /* For KLMD... */
+ /* Fall through. */
default:
fprintf_unfiltered (gdb_stdlog, "Warning: Unknown KMAC function %02x at %s.\n",
(int)tmp, paddress (gdbarch, addr));
diff --git a/gdb/stabsread.c b/gdb/stabsread.c
index 0017f18..8d39290 100644
--- a/gdb/stabsread.c
+++ b/gdb/stabsread.c
@@ -723,7 +723,7 @@ define_symbol (CORE_ADDR valu, const char *string, int desc, int type,
/* SunPRO (3.0 at least) static variable encoding. */
if (gdbarch_static_transform_name_p (gdbarch))
goto normal;
- /* ... fall through ... */
+ /* fall through */
default:
complaint (&symfile_complaints, _("Unknown C++ symbol name `%s'"),
@@ -2532,7 +2532,8 @@ read_member_functions (struct field_info *fip, const char **pp,
complaint (&symfile_complaints,
_("member function type missing, got '%c'"),
(*pp)[-1]);
- /* Fall through into normal member function. */
+ /* Normal member function. */
+ /* Fall through. */
case '.':
/* normal member function. */
diff --git a/gdb/symfile.c b/gdb/symfile.c
index 1122db6..b0a5f11 100644
--- a/gdb/symfile.c
+++ b/gdb/symfile.c
@@ -2901,7 +2901,7 @@ section_is_mapped (struct obj_section *osect)
if (osect->ovly_mapped == -1)
gdbarch_overlay_update (gdbarch, osect);
}
- /* fall thru to manual case */
+ /* fall thru */
case ovly_on: /* overlay debugging manual */
return osect->ovly_mapped == 1;
}
diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c
index 8c707aa..66e7443 100644
--- a/gdb/xcoffread.c
+++ b/gdb/xcoffread.c
@@ -2531,9 +2531,9 @@ scan_xcoff_symtab (minimal_symbol_reader &reader,
}
/* FALLTHROUGH */
+ case C_FCN:
/* C_FCN is .bf and .ef symbols. I think it is sufficient
to handle only the C_FUN and C_EXT. */
- case C_FCN:
case C_BSTAT:
case C_ESTAT: