| /* Generic asm macros used on many machines. |
| Copyright (C) 1991,92,93,96,98,2002,2003,2009 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #ifndef C_LABEL |
| |
| /* Define a macro we can use to construct the asm name for a C symbol. */ |
| #ifdef NO_UNDERSCORES |
| #ifdef __STDC__ |
| #define C_LABEL(name) name##: |
| #else |
| #define C_LABEL(name) name/**/: |
| #endif |
| #else |
| #ifdef __STDC__ |
| #define C_LABEL(name) _##name##: |
| #else |
| #define C_LABEL(name) _/**/name/**/: |
| #endif |
| #endif |
| |
| #endif |
| |
| #ifdef __ASSEMBLER__ |
| /* Mark the end of function named SYM. This is used on some platforms |
| to generate correct debugging information. */ |
| # ifndef END |
| # define END(sym) |
| # endif |
| |
| # ifndef JUMPTARGET |
| # define JUMPTARGET(sym) sym |
| # endif |
| |
| /* Makros to generate eh_frame unwind information. */ |
| # ifdef HAVE_ASM_CFI_DIRECTIVES |
| # define cfi_startproc .cfi_startproc |
| # define cfi_endproc .cfi_endproc |
| # define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off |
| # define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg |
| # define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off |
| # define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off |
| # define cfi_offset(reg, off) .cfi_offset reg, off |
| # define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off |
| # define cfi_register(r1, r2) .cfi_register r1, r2 |
| # define cfi_return_column(reg) .cfi_return_column reg |
| # define cfi_restore(reg) .cfi_restore reg |
| # define cfi_same_value(reg) .cfi_same_value reg |
| # define cfi_undefined(reg) .cfi_undefined reg |
| # define cfi_remember_state .cfi_remember_state |
| # define cfi_restore_state .cfi_restore_state |
| # define cfi_window_save .cfi_window_save |
| # define cfi_personality(enc, exp) .cfi_personality enc, exp |
| # define cfi_lsda(enc, exp) .cfi_lsda enc, exp |
| # else |
| # define cfi_startproc |
| # define cfi_endproc |
| # define cfi_def_cfa(reg, off) |
| # define cfi_def_cfa_register(reg) |
| # define cfi_def_cfa_offset(off) |
| # define cfi_adjust_cfa_offset(off) |
| # define cfi_offset(reg, off) |
| # define cfi_rel_offset(reg, off) |
| # define cfi_register(r1, r2) |
| # define cfi_return_column(reg) |
| # define cfi_restore(reg) |
| # define cfi_same_value(reg) |
| # define cfi_undefined(reg) |
| # define cfi_remember_state |
| # define cfi_restore_state |
| # define cfi_window_save |
| # define cfi_personality(enc, exp) |
| # define cfi_lsda(enc, exp) |
| # endif |
| |
| #else /* ! ASSEMBLER */ |
| # ifdef HAVE_ASM_CFI_DIRECTIVES |
| # define CFI_STRINGIFY(Name) CFI_STRINGIFY2 (Name) |
| # define CFI_STRINGIFY2(Name) #Name |
| # define CFI_STARTPROC ".cfi_startproc" |
| # define CFI_ENDPROC ".cfi_endproc" |
| # define CFI_DEF_CFA(reg, off) \ |
| ".cfi_def_cfa " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
| # define CFI_DEF_CFA_REGISTER(reg) \ |
| ".cfi_def_cfa_register " CFI_STRINGIFY(reg) |
| # define CFI_DEF_CFA_OFFSET(off) \ |
| ".cfi_def_cfa_offset " CFI_STRINGIFY(off) |
| # define CFI_ADJUST_CFA_OFFSET(off) \ |
| ".cfi_adjust_cfa_offset " CFI_STRINGIFY(off) |
| # define CFI_OFFSET(reg, off) \ |
| ".cfi_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
| # define CFI_REL_OFFSET(reg, off) \ |
| ".cfi_rel_offset " CFI_STRINGIFY(reg) "," CFI_STRINGIFY(off) |
| # define CFI_REGISTER(r1, r2) \ |
| ".cfi_register " CFI_STRINGIFY(r1) "," CFI_STRINGIFY(r2) |
| # define CFI_RETURN_COLUMN(reg) \ |
| ".cfi_return_column " CFI_STRINGIFY(reg) |
| # define CFI_RESTORE(reg) \ |
| ".cfi_restore " CFI_STRINGIFY(reg) |
| # define CFI_UNDEFINED(reg) \ |
| ".cfi_undefined " CFI_STRINGIFY(reg) |
| # define CFI_REMEMBER_STATE \ |
| ".cfi_remember_state" |
| # define CFI_RESTORE_STATE \ |
| ".cfi_restore_state" |
| # define CFI_WINDOW_SAVE \ |
| ".cfi_window_save" |
| # define CFI_PERSONALITY(enc, exp) \ |
| ".cfi_personality " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) |
| # define CFI_LSDA(enc, exp) \ |
| ".cfi_lsda " CFI_STRINGIFY(enc) "," CFI_STRINGIFY(exp) |
| # else |
| # define CFI_STARTPROC |
| # define CFI_ENDPROC |
| # define CFI_DEF_CFA(reg, off) |
| # define CFI_DEF_CFA_REGISTER(reg) |
| # define CFI_DEF_CFA_OFFSET(off) |
| # define CFI_ADJUST_CFA_OFFSET(off) |
| # define CFI_OFFSET(reg, off) |
| # define CFI_REL_OFFSET(reg, off) |
| # define CFI_REGISTER(r1, r2) |
| # define CFI_RETURN_COLUMN(reg) |
| # define CFI_RESTORE(reg) |
| # define CFI_UNDEFINED(reg) |
| # define CFI_REMEMBER_STATE |
| # define CFI_RESTORE_STATE |
| # define CFI_WINDOW_SAVE |
| # define CFI_PERSONALITY(enc, exp) |
| # define CFI_LSDA(enc, exp) |
| # endif |
| |
| #endif /* __ASSEMBLER__ */ |
| |
| /* Values used for encoding parameter of cfi_personality and cfi_lsda. */ |
| #define DW_EH_PE_absptr 0x00 |
| #define DW_EH_PE_omit 0xff |
| #define DW_EH_PE_uleb128 0x01 |
| #define DW_EH_PE_udata2 0x02 |
| #define DW_EH_PE_udata4 0x03 |
| #define DW_EH_PE_udata8 0x04 |
| #define DW_EH_PE_sleb128 0x09 |
| #define DW_EH_PE_sdata2 0x0a |
| #define DW_EH_PE_sdata4 0x0b |
| #define DW_EH_PE_sdata8 0x0c |
| #define DW_EH_PE_signed 0x08 |
| #define DW_EH_PE_pcrel 0x10 |
| #define DW_EH_PE_textrel 0x20 |
| #define DW_EH_PE_datarel 0x30 |
| #define DW_EH_PE_funcrel 0x40 |
| #define DW_EH_PE_aligned 0x50 |
| #define DW_EH_PE_indirect 0x80 |
