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parse.c (write_dollar_variable): call new function target_map_name_to_register 

so that targets can define their own register name aliases.
infcmd.c (registers_info): call target_map_name_to_register so that
	"print $reg" and "info reg $reg" share the same register alias set.
mips-tdep.c: separate MIPS_R5900_REGS from NUM_REGS so that sky registers
	can be printed separately.
txvu-tdep.c: print registers according to current CPU context.
tm-txvu.h: define SKY registers and conditionalize register interpretation
	macros.
txvu.mt: Don't bother building remote-mips.o for sky target.
This commit is contained in:
Ron Unrau 1998-02-15 21:30:02 +00:00
parent 486c714a26
commit 678fa7ffe3
2 changed files with 45 additions and 13 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
Sun Feb 15 16:10:50 1998 Ron Unrau <runrau@cygnus.com>
* parse.c (write_dollar_variable): call new function
target_map_name_to_register to allow targets to define their own
register name aliases.
* infcmd.c (registers_info): use target_map_name_to_register so that
"print $reg" and "info reg $reg" use the same register name aliases.
Fri Feb 13 16:40:30 1998 Stan Shebs <shebs@andros.cygnus.com>
* config/i386/i386mk.mt (OBJFORMATS): Delete, no longer used.

50
gdb/parse.c
View File

@ -101,6 +101,40 @@ unsigned num_std_regs = (sizeof std_regs / sizeof std_regs[0]);
#endif
/* The generic method for targets to specify how their registers are named.
The mapping can be derived from three sources: reg_names; std_regs; or
a target specific alias hook. */
int
target_map_name_to_register (str, len)
char *str;
int len;
{
int i;
/* First search architectural register name space. */
for (i = 0; i < NUM_REGS; i++)
if (reg_names[i] && len == strlen (reg_names[i])
&& STREQN (str, reg_names[i], len))
{
return i;
}
/* Try standard aliases */
for (i = 0; i < num_std_regs; i++)
if (std_regs[i].name && len == strlen (std_regs[i].name)
&& STREQN (str, std_regs[i].name, len))
{
return std_regs[i].regnum;
}
/* Try target specific aliases */
#ifdef REGISTER_NAME_ALIAS_HOOK
return REGISTER_NAME_ALIAS_HOOK (str, len);
#endif
return -1;
}
/* Begin counting arguments for a function call,
saving the data about any containing call. */
@ -455,19 +489,9 @@ write_dollar_variable (str)
/* Handle tokens that refer to machine registers:
$ followed by a register name. */
for (i = 0; i < NUM_REGS; i++)
if (reg_names[i] && str.length - 1 == strlen (reg_names[i])
&& STREQN (str.ptr + 1, reg_names[i], str.length - 1))
{
goto handle_register;
}
for (i = 0; i < num_std_regs; i++)
if (std_regs[i].name && str.length - 1 == strlen (std_regs[i].name)
&& STREQN (str.ptr + 1, std_regs[i].name, str.length - 1))
{
i = std_regs[i].regnum;
goto handle_register;
}
i = target_map_name_to_register( str.ptr + 1, str.length - 1 );
if( i >= 0 )
goto handle_register;
/* Any other names starting in $ are debugger internal variables. */