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| -rw-r--r-- | gdb/doc/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/doc/gdbint.texinfo | 11 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 9be0048..51725ba 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,7 @@ +2001-12-20 Jim Blandy <jimb@redhat.com> + + * gdbint.texinfo (TARGET_CHAR_SIGNED): Document. + 2001-12-15 Andrew Cagney <ac131313@redhat.com> * gdbint.texinfo (Target Architecture Definition): Replace diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo index cf0d930..8c4e739 100644 --- a/gdb/doc/gdbint.texinfo +++ b/gdb/doc/gdbint.texinfo @@ -3501,6 +3501,17 @@ Non-zero if the target has both @code{BIG_ENDIAN} and @findex TARGET_CHAR_BIT Number of bits in a char; defaults to 8. +@item TARGET_CHAR_SIGNED +@findex TARGET_CHAR_SIGNED +Non-zero if @code{char} is normally signed on this architecture; zero if +it should be unsigned. + +The ISO C standard requires the compiler to treat @code{char} as +equivalent to either @code{signed char} or @code{unsigned char}; any +character in the standard execution set is supposed to be positive. +Most compilers treat @code{char} as signed, but @code{char} is unsigned +on the IBM S/390, RS6000, and PowerPC targets. + @item TARGET_COMPLEX_BIT @findex TARGET_COMPLEX_BIT Number of bits in a complex number; defaults to @code{2 * TARGET_FLOAT_BIT}. |