Update struct sigcontext member names
Rename the MIPS64 sc_hi and sc_lo arrays to use the same names as the MIPS32 struct sigcontext (sc_mdhi, sc_hi1, et cetera).
Signed-off-by Daniel Jacobowitz <[email protected]>
---
As we discussed earlier - this lets glibc use the same definitions, without breaking source compatibility for the 64-bit sigcontext.
arch/mips/kernel/asm-offsets.c +2 -2
@@ -272,8 +272,8 @@ void output_sc_defines(void)text ("/* Linux sigcontext offsets. */" ); offset("#define SC_REGS ", struct sigcontext, sc_regs); offset("#define SC_FPREGS ", struct sigcontext, sc_fpregs); - offset("#define SC_MDHI ", struct sigcontext, sc_hi); - offset("#define SC_MDLO ", struct sigcontext, sc_lo); + offset("#define SC_MDHI ", struct sigcontext, sc_mdhi); + offset("#define SC_MDLO ", struct sigcontext, sc_mdlo); offset("#define SC_PC ", struct sigcontext, sc_pc); offset("#define SC_FPC_CSR ", struct sigcontext, sc_fpc_csr); linefeed;
arch/mips/kernel/signal-common.h +0 -30
@@ -31,7 +31,6 @@ #define save_gp_reg(i) do { \save_gp_reg (31 );#undef save_gp_reg -#ifdef CONFIG_32BIT err |=__put_user (regs->hi, &sc->sc_mdhi); err |=__put_user (regs->lo, &sc->sc_mdlo);if (cpu_has_dsp) {
@@ -43,20 +42,6 @@ #ifdef CONFIG_32BIT err |=__put_user (mflo3 (), &sc->sc_lo3); err |=__put_user (rddsp (DSP_MASK ), &sc->sc_dsp); } -#endif -#ifdef CONFIG_64BIT - err |=__put_user (regs->hi, &sc->sc_hi[0 ]); - err |=__put_user (regs->lo, &sc->sc_lo[0 ]); -if (cpu_has_dsp) { - err |=__put_user (mfhi1 (), &sc->sc_hi[1 ]); - err |=__put_user (mflo1 (), &sc->sc_lo[1 ]); - err |=__put_user (mfhi2 (), &sc->sc_hi[2 ]); - err |=__put_user (mflo2 (), &sc->sc_lo[2 ]); - err |=__put_user (mfhi3 (), &sc->sc_hi[3 ]); - err |=__put_user (mflo3 (), &sc->sc_lo[3 ]); - err |=__put_user (rddsp (DSP_MASK ), &sc->sc_dsp); - } -#endif err |=__put_user (!!used_math (), &sc->sc_used_math);
@@ -92,7 +77,6 @@ restore_sigcontext(struct pt_regs *regs,current_thread_info ()->restart_block.fn = do_no_restart_syscall; err |=__get_user (regs->cp0_epc, &sc->sc_pc); -#ifdef CONFIG_32BIT err |=__get_user (regs->hi, &sc->sc_mdhi); err |=__get_user (regs->lo, &sc->sc_mdlo);if (cpu_has_dsp) {
@@ -104,20 +88,6 @@ #ifdef CONFIG_32BIT err |=__get_user (treg, &sc->sc_lo3);mtlo3 (treg); err |=__get_user (treg, &sc->sc_dsp);wrdsp (treg,DSP_MASK ); } -#endif -#ifdef CONFIG_64BIT - err |=__get_user (regs->hi, &sc->sc_hi[0 ]); - err |=__get_user (regs->lo, &sc->sc_lo[0 ]); -if (cpu_has_dsp) { - err |=__get_user (treg, &sc->sc_hi[1 ]);mthi1 (treg); - err |=__get_user (treg, &sc->sc_lo[1 ]);mthi1 (treg); - err |=__get_user (treg, &sc->sc_hi[2 ]);mthi2 (treg); - err |=__get_user (treg, &sc->sc_lo[2 ]);mthi2 (treg); - err |=__get_user (treg, &sc->sc_hi[3 ]);mthi3 (treg); - err |=__get_user (treg, &sc->sc_lo[3 ]);mthi3 (treg); - err |=__get_user (treg, &sc->sc_dsp);wrdsp (treg,DSP_MASK ); - } -#endif #define restore_gp_reg (i) do { \ err |= __get_user(regs->regs[i], &sc->sc_regs[i]); \
include/asm-mips/sigcontext.h +8 -2
@@ -55,8 +55,14 @@ #if _MIPS_SIM == _MIPS_SIM_ABI64 || _MIPstruct sigcontext {unsigned long sc_regs[32 ];unsigned long sc_fpregs[32 ]; -unsigned long sc_hi[4 ]; -unsigned long sc_lo[4 ]; +unsigned long sc_mdhi; +unsigned long sc_hi1; +unsigned long sc_hi2; +unsigned long sc_hi3; +unsigned long sc_mdlo; +unsigned long sc_lo1; +unsigned long sc_lo2; +unsigned long sc_lo3;unsigned long sc_pc;unsigned int sc_fpc_csr;unsigned int sc_used_math;
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Daniel Jacobowitz CodeSourcery