diff options
Diffstat (limited to 'sys-devel/gcc/files/gcc-4.7.3-powerpc-libc-stack-end.patch')
| -rw-r--r-- | sys-devel/gcc/files/gcc-4.7.3-powerpc-libc-stack-end.patch | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/sys-devel/gcc/files/gcc-4.7.3-powerpc-libc-stack-end.patch b/sys-devel/gcc/files/gcc-4.7.3-powerpc-libc-stack-end.patch deleted file mode 100644 index 91c1b347..00000000 --- a/sys-devel/gcc/files/gcc-4.7.3-powerpc-libc-stack-end.patch +++ /dev/null @@ -1,171 +0,0 @@ -From: amodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4> -Date: Fri, 15 Feb 2013 13:53:40 +0000 (+0000) -Subject: PR target/55431 -X-Git-Tag: gcc-4_8_0-release~416 -X-Git-Url: http://repo.or.cz/w/official-gcc.git/commitdiff_plain/2a0bfd56d1b6a8ece8fb852691ea32713c7891b3 - - PR target/55431 - * config/rs6000/linux-unwind.h (ppc_linux_aux_vector): Delete. - (ppc_fallback_frame_state): Always set up save locations for fp - and altivec. Don't bother with non-callee-saved regs, r0-r13 - except for r2 on ppc64, fr0-fr13, v0-v19, vscr. - - - -git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@196077 138bc75d-0d04-0410-961f-82ee72b054a4 -diff --git a/libgcc/config/rs6000/linux-unwind.h b/libgcc/config/rs6000/linux-unwind.h -index 3a2da6e..c9273c4 100644 ---- a/libgcc/config/rs6000/linux-unwind.h -+++ b/libgcc/config/rs6000/linux-unwind.h -@@ -26,7 +26,6 @@ - #define R_CR2 70 - #define R_VR0 77 - #define R_VRSAVE 109 --#define R_VSCR 110 - - struct gcc_vregs - { -@@ -175,38 +174,6 @@ get_regs (struct _Unwind_Context *context) - } - #endif - --/* Find an entry in the process auxiliary vector. The canonical way to -- test for VMX is to look at AT_HWCAP. */ -- --static long --ppc_linux_aux_vector (long which) --{ -- /* __libc_stack_end holds the original stack passed to a process. */ -- extern long *__libc_stack_end; -- long argc; -- char **argv; -- char **envp; -- struct auxv -- { -- long a_type; -- long a_val; -- } *auxp; -- -- /* The Linux kernel puts argc first on the stack. */ -- argc = __libc_stack_end[0]; -- /* Followed by argv, NULL terminated. */ -- argv = (char **) __libc_stack_end + 1; -- /* Followed by environment string pointers, NULL terminated. */ -- envp = argv + argc + 1; -- while (*envp++) -- continue; -- /* Followed by the aux vector, zero terminated. */ -- for (auxp = (struct auxv *) envp; auxp->a_type != 0; ++auxp) -- if (auxp->a_type == which) -- return auxp->a_val; -- return 0; --} -- - /* Do code reading to identify a signal frame, and set the frame - state data appropriately. See unwind-dw2.c for the structs. */ - -@@ -216,8 +183,8 @@ static _Unwind_Reason_Code - ppc_fallback_frame_state (struct _Unwind_Context *context, - _Unwind_FrameState *fs) - { -- static long hwcap = 0; - struct gcc_regs *regs = get_regs (context); -+ struct gcc_vregs *vregs; - long new_cfa; - int i; - -@@ -229,12 +196,15 @@ ppc_fallback_frame_state (struct _Unwind_Context *context, - fs->regs.cfa_reg = STACK_POINTER_REGNUM; - fs->regs.cfa_offset = new_cfa - (long) context->cfa; - -- for (i = 0; i < 32; i++) -- if (i != STACK_POINTER_REGNUM) -- { -- fs->regs.reg[i].how = REG_SAVED_OFFSET; -- fs->regs.reg[i].loc.offset = (long) ®s->gpr[i] - new_cfa; -- } -+#ifdef __powerpc64__ -+ fs->regs.reg[2].how = REG_SAVED_OFFSET; -+ fs->regs.reg[2].loc.offset = (long) ®s->gpr[2] - new_cfa; -+#endif -+ for (i = 14; i < 32; i++) -+ { -+ fs->regs.reg[i].how = REG_SAVED_OFFSET; -+ fs->regs.reg[i].loc.offset = (long) ®s->gpr[i] - new_cfa; -+ } - - fs->regs.reg[R_CR2].how = REG_SAVED_OFFSET; - /* CR? regs are always 32-bit and PPC is big-endian, so in 64-bit -@@ -250,57 +220,35 @@ ppc_fallback_frame_state (struct _Unwind_Context *context, - fs->retaddr_column = ARG_POINTER_REGNUM; - fs->signal_frame = 1; - -- if (hwcap == 0) -+ /* If we have a FPU... */ -+ for (i = 14; i < 32; i++) - { -- hwcap = ppc_linux_aux_vector (16); -- /* These will already be set if we found AT_HWCAP. A nonzero -- value stops us looking again if for some reason we couldn't -- find AT_HWCAP. */ --#ifdef __powerpc64__ -- hwcap |= 0xc0000000; --#else -- hwcap |= 0x80000000; --#endif -+ fs->regs.reg[i + 32].how = REG_SAVED_OFFSET; -+ fs->regs.reg[i + 32].loc.offset = (long) ®s->fpr[i] - new_cfa; - } - -- /* If we have a FPU... */ -- if (hwcap & 0x08000000) -- for (i = 0; i < 32; i++) -- { -- fs->regs.reg[i + 32].how = REG_SAVED_OFFSET; -- fs->regs.reg[i + 32].loc.offset = (long) ®s->fpr[i] - new_cfa; -- } -- - /* If we have a VMX unit... */ -- if (hwcap & 0x10000000) -- { -- struct gcc_vregs *vregs; - #ifdef __powerpc64__ -- vregs = regs->vp; -+ vregs = regs->vp; - #else -- vregs = ®s->vregs; -+ vregs = ®s->vregs; - #endif -- if (regs->msr & (1 << 25)) -+ if (regs->msr & (1 << 25)) -+ { -+ for (i = 20; i < 32; i++) - { -- for (i = 0; i < 32; i++) -- { -- fs->regs.reg[i + R_VR0].how = REG_SAVED_OFFSET; -- fs->regs.reg[i + R_VR0].loc.offset -- = (long) &vregs->vr[i] - new_cfa; -- } -- -- fs->regs.reg[R_VSCR].how = REG_SAVED_OFFSET; -- fs->regs.reg[R_VSCR].loc.offset = (long) &vregs->vscr - new_cfa; -+ fs->regs.reg[i + R_VR0].how = REG_SAVED_OFFSET; -+ fs->regs.reg[i + R_VR0].loc.offset = (long) &vregs->vr[i] - new_cfa; - } -- -- fs->regs.reg[R_VRSAVE].how = REG_SAVED_OFFSET; -- fs->regs.reg[R_VRSAVE].loc.offset = (long) &vregs->vsave - new_cfa; - } - -+ fs->regs.reg[R_VRSAVE].how = REG_SAVED_OFFSET; -+ fs->regs.reg[R_VRSAVE].loc.offset = (long) &vregs->vsave - new_cfa; -+ - /* If we have SPE register high-parts... we check at compile-time to - avoid expanding the code for all other PowerPC. */ - #ifdef __SPE__ -- for (i = 0; i < 32; i++) -+ for (i = 14; i < 32; i++) - { - fs->regs.reg[i + FIRST_PSEUDO_REGISTER - 1].how = REG_SAVED_OFFSET; - fs->regs.reg[i + FIRST_PSEUDO_REGISTER - 1].loc.offset |