From: Peter Schauer <Peter.Schauer@mytum.de>
Date: Fri, 7 Jan 1994 20:59:35 +0000 (+0000)
Subject: 	* config/i386/tm-i386v.h, config/m68k/tm-m68k.h, config/mips/tm-mips.h,
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9d51b3c5f4cffb73634deb26d68c741e8e800f93;p=binutils-gdb.git

	* config/i386/tm-i386v.h, config/m68k/tm-m68k.h, config/mips/tm-mips.h,
	config/vax/tm-vax.h (CALL_DUMMY_BREAKPOINT_OFFSET):  Define.
	* mdebugread.c (parse_symbol):  Handle enum sh.type produced by
	DEC c89.
	* mdebugread.c (add_line):  Handle zero linenos produced by DEC c89.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 39741967ac0..420efb0c9ec 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,11 @@
+Fri Jan  7 12:42:45 1994  Peter Schauer  (pes@regent.e-technik.tu-muenchen.de)
+
+	* config/i386/tm-i386v.h, config/m68k/tm-m68k.h, config/mips/tm-mips.h,
+	config/vax/tm-vax.h (CALL_DUMMY_BREAKPOINT_OFFSET):  Define.
+	* mdebugread.c (parse_symbol):  Handle enum sh.type produced by
+	DEC c89. 
+	* mdebugread.c (add_line):  Handle zero linenos produced by DEC c89.
+
 Fri Jan  7 12:55:25 1994  Jim Kingdon  (kingdon@lioth.cygnus.com)
 
 	* utils.c (print_sys_errmsg): Call gdb_flush (gdb_stdout) before
diff --git a/gdb/mdebugread.c b/gdb/mdebugread.c
index bbeb66dcc63..c23dac03f1d 100644
--- a/gdb/mdebugread.c
+++ b/gdb/mdebugread.c
@@ -1010,6 +1010,15 @@ parse_symbol (sh, ax, ext_sh, bigend)
 	if (type_code == TYPE_CODE_ENUM)
 	  {
 	    /* This is a non-empty enum. */
+
+	    /* c89 has the number of enumerators in the sh.value field,
+	       not the type length, so we have to compensate for that
+	       incompatibility quirk.
+	       This might do the wrong thing for an enum with one or two
+	       enumerators and gcc -gcoff -fshort-enums, but these cases
+	       are hopefully rare enough.  */
+	    if (TYPE_LENGTH (t) == TYPE_NFIELDS (t))
+	      TYPE_LENGTH (t) = TARGET_INT_BIT / HOST_CHAR_BIT;
 	    for (ext_tsym = ext_sh + external_sym_size;
 		 ;
 		 ext_tsym += external_sym_size)
@@ -3222,6 +3231,10 @@ add_line (lt, lineno, adr, last)
      CORE_ADDR adr;
      int last;
 {
+  /* DEC c89 sometimes produces zero linenos which confuse gdb.
+     Change them to something sensible. */
+  if (lineno == 0)
+    lineno = 1;
   if (last == 0)
     last = -2;			/* make sure we record first line */