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* gdbint.texinfo (TARGET_CHAR_SIGNED): Document.

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Jim Blandy 2001-12-20 21:16:31 +00:00
parent a8e8e86325
commit c3d3ce5b89
2 changed files with 15 additions and 0 deletions
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gdb/doc/ChangeLog
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@ -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

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gdb/doc/gdbint.texinfo
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@ -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}.