@@ -, +, @@ 
    PR binutils/18750
    * ihex.c (ihex_bad_byte): Fix incorrect escape sequence (and stack
    overflow) on platforms with signed char.
    * srec.c (srec_bad_byte): Ditto (but impossible to trigger).
    * readelf.c (process_mips_specific): Ditto (but no stack overflow).
---
 bfd/ihex.c         | 2 +-
 bfd/srec.c         | 2 +-
 binutils/readelf.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
--- a/bfd/ihex.c	
+++ a/bfd/ihex.c	
@@ -219,7 +219,7 @@ ihex_bad_byte (bfd *abfd, unsigned int lineno, int c, bfd_boolean error)
       char buf[10];
 
       if (! ISPRINT (c))
-	sprintf (buf, "\\%03o", (unsigned int) c);
+	sprintf (buf, "\\%03o", (unsigned int) c & 0xff);
       else
 	{
 	  buf[0] = c;
--- a/bfd/srec.c	
+++ a/bfd/srec.c	
@@ -249,7 +249,7 @@ srec_bad_byte (bfd *abfd,
       char buf[40];
 
       if (! ISPRINT (c))
-	sprintf (buf, "\\%03o", (unsigned int) c);
+	sprintf (buf, "\\%03o", (unsigned int) c & 0xff);
       else
 	{
 	  buf[0] = c;
--- a/binutils/readelf.c	
+++ a/binutils/readelf.c	
@@ -14467,7 +14467,7 @@ process_mips_specific (FILE * file)
 	      len = sizeof (* eopt);
 	      while (len < option->size)
 		{
-		  char datum = * ((char *) eopt + offset + len);
+		  unsigned char datum = * ((unsigned char *) eopt + offset + len);
 
 		  if (ISPRINT (datum))
 		    printf ("%c", datum);
--