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freebsd/contrib/gcc/gdbinit.in

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define pr
set debug_rtx ($)
end
document pr
Print the full structure of the rtx that is $.
Works only when an inferior is executing.
end
define prl
set debug_rtx_list ($, debug_rtx_count)
end
document prl
Print the full structure of all rtx insns beginning at $.
Works only when an inferior is executing.
Uses variable debug_rtx_count to control number of insns printed:
debug_rtx_count > 0: print from $ on.
debug_rtx_count < 0: print a window around $.
There is also debug_rtx_find (rtx, uid) that will scan a list for UID and print
it using debug_rtx_list. Usage example: set $foo=debug_rtx_find(first, 42)
end
define pt
set debug_tree ($)
end
document pt
Print the full structure of the tree that is $.
Works only when an inferior is executing.
end
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define pct
set debug_c_tree ($)
end
document pct
Print the tree that is $ in C syntax.
Works only when an inferior is executing.
end
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define pgs
set debug_generic_stmt ($)
end
document pgs
Print the statement that is $ in C syntax.
Works only when an inferior is executing.
end
define pge
set debug_generic_expr ($)
end
document pge
Print the expression that is $ in C syntax.
Works only when an inferior is executing.
end
define ptc
output (enum tree_code) $.common.code
echo \n
end
document ptc
Print the tree-code of the tree node that is $.
end
define pdn
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output $.decl_minimal.name->identifier.id.str
echo \n
end
document pdn
Print the name of the decl-node that is $.
end
define ptn
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output $.type.name->decl_minimal.name->identifier.id.str
echo \n
end
document ptn
Print the name of the type-node that is $.
end
define prc
output (enum rtx_code) $.code
echo \ (
output $.mode
echo )\n
end
document prc
Print the rtx-code and machine mode of the rtx that is $.
end
define pi
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print $.u.fld[0].rt_rtx@7
end
document pi
Print the fields of an instruction that is $.
end
define pbs
set print_binding_stack ()
end
document pbs
In cc1plus, print the current binding stack, frame by frame, up to and
including the global binding level.
end
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define pbb
set dump_bb ($, stderr, 0)
end
document pbb
Dump the basic block that is in $, including rtx.
end
define pbm
set bitmap_print (stderr, $, "", "\n")
end
document pbm
Dump the bitmap that is in $ as a comma-separated list of numbers.
end
# Put breakpoints at exit and fancy_abort in case abort is mapped
# to either fprintf/exit or fancy_abort.
b fancy_abort
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# Put a breakpoint on internal_error to help with debugging ICEs.
b internal_error
# Make gdb complain about symbol reading errors. This is so that gcc
# developers can see and fix bugs in gcc debug output.
set complaints 20
# Don't let abort actually run, as it will make
# stdio stop working and therefore the `pr' command above as well.
# Put this last because gcc does not reference it any more unless
# USE_SYSTEM_ABORT is defined, so gdb may complain and bail out.
b exit
b abort