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authorEli Zaretskii <eliz@gnu.org>2000-08-10 11:05:52 +0000
committerEli Zaretskii <eliz@gnu.org>2000-08-10 11:05:52 +0000
commit6f6ef15a3f7b925a64e60e25862645b2a03bc63d (patch)
treea6e44c7a4841b9e41a94edd4445be4f121c51496 /gdb
parent00fdaf47d569ebbc021b5bdc8206b9c461387e44 (diff)
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* gdbint.texinfo (Target Architecture Definition): Document that
REGISTER_CONVERT_TO_VIRTUAL should only be called on a register for which REGISTER_CONVERTIBLE returns a zero value.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/doc/ChangeLog6
-rw-r--r--gdb/doc/gdbint.texinfo12
2 files changed, 16 insertions, 2 deletions
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index edf92b7..c718f1b 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,9 @@
+2000-08-10 Eli Zaretskii <eliz@is.elta.co.il>
+
+ * gdbint.texinfo (Target Architecture Definition): Document that
+ REGISTER_CONVERT_TO_VIRTUAL should only be called on a register
+ for which REGISTER_CONVERTIBLE returns a zero value.
+
2000-07-08 Christopher Faylor <cgf@cygnus.com>
* Makefile.in (install-info): Find files to install in either the
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo
index 532d223..3e1251d 100644
--- a/gdb/doc/gdbint.texinfo
+++ b/gdb/doc/gdbint.texinfo
@@ -1368,6 +1368,9 @@ virtual conversions:
@deftypefn {Target Macro} int REGISTER_CONVERTIBLE (int @var{reg})
Return non-zero if register number @var{reg}'s value needs different raw
and virtual formats.
+
+You should not use @code{REGISTER_CONVERT_TO_VIRTUAL} for a register
+unless this macro returns a non-zero value for that register.
@end deftypefn
@deftypefn {Target Macro} int REGISTER_RAW_SIZE (int @var{reg})
@@ -1395,8 +1398,13 @@ should always be @code{REGISTER_VIRTUAL_TYPE (@var{reg})}. The buffer
at @var{from} holds the register's value in raw format; the macro should
convert the value to virtual format, and place it at @var{to}.
-Note that REGISTER_CONVERT_TO_VIRTUAL and REGISTER_CONVERT_TO_RAW take
-their @var{reg} and @var{type} arguments in different orders.
+Note that @code{REGISTER_CONVERT_TO_VIRTUAL} and
+@code{REGISTER_CONVERT_TO_RAW} take their @var{reg} and @var{type}
+arguments in different orders.
+
+You should only use @code{REGISTER_CONVERT_TO_VIRTUAL} with registers
+for which the @code{REGISTER_CONVERTIBLE} macro returns a non-zero
+value.
@end deftypefn
@deftypefn {Target Macro} void REGISTER_CONVERT_TO_RAW (struct type *@var{type}, int @var{reg}, char *@var{from}, char *@var{to})