gas 2.16.2 and earlier allowed to pass plain letters
to a macro where then the ASCII values of those could
be assigned to a symbol. E.g. with macros such as:
.macro ascii symbol string
\symbol = 0
.irp quote, "'"
.irpc char, \string
\symbol = \symbol << 8 | \quote\char
.endr
.endr
.endm
or
.macro ascii symbol string quote="'"
\symbol = 0
.irpc char, \string
\symbol = \symbol << 8 | \quote\char
.endr
.endm
a call of
ascii sym abcd
would result in the equivalent of
sym = 'a << 24 | 'b << 16 | 'c << 8 | 'd
There doesn't seem to be an (even backwards compatible) way to do it in 2.17.
--
Summary: Cannot get ASCII value of letter passed in parameter
Product: binutils
Version: 2.17
Status: NEW
Severity: normal
Priority: P2
Component: gas
AssignedTo: unassigned at sources dot redhat dot com
ReportedBy: markus+sw at gyger dot org
CC: bug-binutils at gnu dot org
GCC build triplet: i386-pc-solaris2.10
GCC host triplet: i386-pc-solaris2.10
GCC target triplet: h8300-elf
http://sourceware.org/bugzilla/show_bug.cgi?id=3130
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