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While having found a first use for .cfi_undefined, I realized that it would be handy (and seemed reasonable) if this as well as .cfi_restore supported specifying more than one register at a time. Built and tested on i686-pc-linux-gnu. Jan gas/ 2005-11-10 Jan Beulich <jbeulich@novell.com> * dw2gencfi.c (dot_cfi): Put argument parsing for cases DW_CFA_restore and DW_CFA_undefined in a loop. --- /home/jbeulich/src/binutils/mainline/2005-11-09/gas/dw2gencfi.c 2005-10-11 14:31:18.000000000 +0200 +++ 2005-11-09/gas/dw2gencfi.c 2005-11-10 13:27:51.643706656 +0100 @@ -502,13 +502,27 @@ dot_cfi (int arg) break; case DW_CFA_restore: - reg1 = cfi_parse_reg (); - cfi_add_CFA_restore (reg1); + for (;;) + { + reg1 = cfi_parse_reg (); + cfi_add_CFA_restore (reg1); + SKIP_WHITESPACE (); + if (*input_line_pointer != ',') + break; + ++input_line_pointer; + } break; case DW_CFA_undefined: - reg1 = cfi_parse_reg (); - cfi_add_CFA_undefined (reg1); + for (;;) + { + reg1 = cfi_parse_reg (); + cfi_add_CFA_undefined (reg1); + SKIP_WHITESPACE (); + if (*input_line_pointer != ',') + break; + ++input_line_pointer; + } break; case DW_CFA_same_value:
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binutils-mainline-cfi-multi-arg.patch
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