From 2e071de0f7f75564bea9d216096c2e3366d06250 Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Wed, 18 Sep 2013 14:46:57 +0000 Subject: [PATCH] e500 port: setjmp/longjmp. --- ChangeLog | 7 +++++ sysdeps/powerpc/powerpc32/__longjmp-common.S | 42 ++++++++++++++++------------ sysdeps/powerpc/powerpc32/setjmp-common.S | 41 +++++++++++++++------------ 3 files changed, 54 insertions(+), 36 deletions(-) diff --git a/ChangeLog b/ChangeLog index e377dc0..2a8feff 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,12 @@ 2013-09-18 Joseph Myers + * sysdeps/powerpc/powerpc32/__longjmp-common.S (LOAD_GP): Define + macro conditional on [__SPE__ || (__NO_FPRS__ && !_SOFT_FLOAT)]. + (__longjmp): Use LOAD_GP to load saved GPRs. + * sysdeps/powerpc/powerpc32/setjmp-common.S (SAVE_GP): Define + macro conditional on [__SPE__ || (__NO_FPRS__ && !_SOFT_FLOAT)]. + (__sigsetjmp): Use SAVE_GP to save GPRs. + * sysdeps/powerpc/powerpc32/Makefile [$(with-fp) = no] (+cflags): Do not append -msoft-float. [$(with-fp) = no] (sysdep-LDFLAGS): Likewise. diff --git a/sysdeps/powerpc/powerpc32/__longjmp-common.S b/sysdeps/powerpc/powerpc32/__longjmp-common.S index 7874473..df1d519 100644 --- a/sysdeps/powerpc/powerpc32/__longjmp-common.S +++ b/sysdeps/powerpc/powerpc32/__longjmp-common.S @@ -24,6 +24,12 @@ # include #endif +#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT) +# define LOAD_GP(N) evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3) +#else +# define LOAD_GP(N) lwz r##N,((JB_GPRS+(N)-14)*4)(r3) +#endif + ENTRY (__longjmp) #if defined PTR_DEMANGLE || defined CHECK_SP @@ -39,13 +45,13 @@ ENTRY (__longjmp) lwz r1,(JB_GPR1*4)(r3) #endif lwz r0,(JB_LR*4)(r3) - lwz r14,((JB_GPRS+0)*4)(r3) - lwz r15,((JB_GPRS+1)*4)(r3) - lwz r16,((JB_GPRS+2)*4)(r3) - lwz r17,((JB_GPRS+3)*4)(r3) - lwz r18,((JB_GPRS+4)*4)(r3) - lwz r19,((JB_GPRS+5)*4)(r3) - lwz r20,((JB_GPRS+6)*4)(r3) + LOAD_GP (14) + LOAD_GP (15) + LOAD_GP (16) + LOAD_GP (17) + LOAD_GP (18) + LOAD_GP (19) + LOAD_GP (20) #ifdef PTR_DEMANGLE # ifndef CHECK_SP PTR_DEMANGLE3 (r1, r24, r25) @@ -53,19 +59,19 @@ ENTRY (__longjmp) PTR_DEMANGLE2 (r0, r25) #endif mtlr r0 - lwz r21,((JB_GPRS+7)*4)(r3) - lwz r22,((JB_GPRS+8)*4)(r3) + LOAD_GP (21) + LOAD_GP (22) lwz r0,(JB_CR*4)(r3) - lwz r23,((JB_GPRS+9)*4)(r3) - lwz r24,((JB_GPRS+10)*4)(r3) - lwz r25,((JB_GPRS+11)*4)(r3) + LOAD_GP (23) + LOAD_GP (24) + LOAD_GP (25) mtcrf 0xFF,r0 - lwz r26,((JB_GPRS+12)*4)(r3) - lwz r27,((JB_GPRS+13)*4)(r3) - lwz r28,((JB_GPRS+14)*4)(r3) - lwz r29,((JB_GPRS+15)*4)(r3) - lwz r30,((JB_GPRS+16)*4)(r3) - lwz r31,((JB_GPRS+17)*4)(r3) + LOAD_GP (26) + LOAD_GP (27) + LOAD_GP (28) + LOAD_GP (29) + LOAD_GP (30) + LOAD_GP (31) mr r3,r4 blr END (__longjmp) diff --git a/sysdeps/powerpc/powerpc32/setjmp-common.S b/sysdeps/powerpc/powerpc32/setjmp-common.S index 60b0026..3fb65b5 100644 --- a/sysdeps/powerpc/powerpc32/setjmp-common.S +++ b/sysdeps/powerpc/powerpc32/setjmp-common.S @@ -24,6 +24,11 @@ # include #endif +#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT) +# define SAVE_GP(N) evstdd r##N,((JB_FPRS+((N)-14)*2)*4)(3) +#else +# define SAVE_GP(N) stw r##N,((JB_GPRS+(N)-14)*4)(3) +#endif ENTRY (__sigsetjmp) @@ -35,31 +40,31 @@ ENTRY (__sigsetjmp) stw r1,(JB_GPR1*4)(3) #endif mflr r0 - stw r14,((JB_GPRS+0)*4)(3) + SAVE_GP (14) #ifdef PTR_MANGLE PTR_MANGLE2 (r0, r10) li r10,0 #endif stw r0,(JB_LR*4)(3) - stw r15,((JB_GPRS+1)*4)(3) + SAVE_GP (15) mfcr r0 - stw r16,((JB_GPRS+2)*4)(3) + SAVE_GP (16) stw r0,(JB_CR*4)(3) - stw r17,((JB_GPRS+3)*4)(3) - stw r18,((JB_GPRS+4)*4)(3) - stw r19,((JB_GPRS+5)*4)(3) - stw r20,((JB_GPRS+6)*4)(3) - stw r21,((JB_GPRS+7)*4)(3) - stw r22,((JB_GPRS+8)*4)(3) - stw r23,((JB_GPRS+9)*4)(3) - stw r24,((JB_GPRS+10)*4)(3) - stw r25,((JB_GPRS+11)*4)(3) - stw r26,((JB_GPRS+12)*4)(3) - stw r27,((JB_GPRS+13)*4)(3) - stw r28,((JB_GPRS+14)*4)(3) - stw r29,((JB_GPRS+15)*4)(3) - stw r30,((JB_GPRS+16)*4)(3) - stw r31,((JB_GPRS+17)*4)(3) + SAVE_GP (17) + SAVE_GP (18) + SAVE_GP (19) + SAVE_GP (20) + SAVE_GP (21) + SAVE_GP (22) + SAVE_GP (23) + SAVE_GP (24) + SAVE_GP (25) + SAVE_GP (26) + SAVE_GP (27) + SAVE_GP (28) + SAVE_GP (29) + SAVE_GP (30) + SAVE_GP (31) #if defined NOT_IN_libc && defined IS_IN_rtld li r3,0 blr -- 2.7.4