diff -r cef565f1c325 -r 6cb1ac7cd223 mozilla-ppc64le-xpcom.patch --- a/mozilla-ppc64le-xpcom.patch Mon Apr 14 09:09:11 2014 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,298 +0,0 @@ -# HG changeset patch -# Parent 571f8d1f1501d31bd7c0d0affdc7cdc8b21203a0 -# User Ulrich Weigand -Bug 976648 - powerpc64le-linux support - xptcall port - -Index: mozilla/xpcom/reflect/xptcall/src/md/unix/moz.build -=================================================================== ---- mozilla.orig/xpcom/reflect/xptcall/src/md/unix/moz.build -+++ mozilla/xpcom/reflect/xptcall/src/md/unix/moz.build -@@ -224,12 +224,12 @@ if CONFIG['OS_TEST'] == 'powerpc': - 'xptcstubs_ppc_linux.cpp', - ] - --if CONFIG['OS_TEST'] == 'powerpc64': -+if CONFIG['OS_TEST'] in ('powerpc64', 'powerpc64le'): - if CONFIG['OS_ARCH'] in ('Linux', 'FreeBSD'): - SOURCES += [ -- 'xptcinvoke_asm_ppc64_linux.s', -+ 'xptcinvoke_asm_ppc64_linux.S', - 'xptcinvoke_ppc64_linux.cpp', -- 'xptcstubs_asm_ppc64_linux.s', -+ 'xptcstubs_asm_ppc64_linux.S', - 'xptcstubs_ppc64_linux.cpp', - ] - -diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.s b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.S -rename from xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.s -rename to xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.S ---- a/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.s -+++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_ppc64_linux.S -@@ -17,12 +17,38 @@ - .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 - .set f30,30; .set f31,31 - -+# The ABI defines a fixed stack frame area of 4 doublewords (ELFv2) -+# or 6 doublewords (ELFv1); the last of these doublewords is used -+# as TOC pointer save area. The fixed area is followed by a parameter -+# save area of 8 doublewords (used for vararg routines), followed -+# by space for parameters passed on the stack. -+# -+# We set STACK_TOC to the offset of the TOC pointer save area, and -+# STACK_PARAMS to the offset of the first on-stack parameter. -+ -+#if _CALL_ELF == 2 -+#define STACK_TOC 24 -+#define STACK_PARAMS 96 -+#else -+#define STACK_TOC 40 -+#define STACK_PARAMS 112 -+#endif - - # - # NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex, - # uint32_t paramCount, nsXPTCVariant* params) - # - -+#if _CALL_ELF == 2 -+ .section ".text" -+ .type NS_InvokeByIndex,@function -+ .globl NS_InvokeByIndex -+ .align 2 -+NS_InvokeByIndex: -+0: addis 2,12,(.TOC.-0b)@ha -+ addi 2,2,(.TOC.-0b)@l -+ .localentry NS_InvokeByIndex,.-NS_InvokeByIndex -+#else - .section ".toc","aw" - .section ".text" - .align 2 -@@ -34,6 +60,7 @@ NS_InvokeByIndex: - .previous - .type NS_InvokeByIndex,@function - .NS_InvokeByIndex: -+#endif - mflr 0 - std 0,16(r1) - -@@ -50,13 +77,12 @@ NS_InvokeByIndex: - # we don't actually need stack space for those. We must ensure - # that the stack remains 16-byte aligned. - # -- # | ..128-byte stack frame.. | | 7 GP | 13 FP | 3 NV | -- # | |(params)........| regs | regs | regs | -- # (r1)...........(+112)....(+128) -- # (-23*8).(-16*8).(-3*8)..(r31) -+ # | (fixed area + | | 7 GP | 13 FP | 3 NV | -+ # | param. save) |(params)........| regs | regs | regs | -+ # (r1)......(+STACK_PARAMS)... (-23*8).(-16*8).(-3*8)..(r31) - - # +stack frame, -unused stack params, +regs storage, +1 for alignment -- addi r7,r5,((112/8)-7+7+13+3+1) -+ addi r7,r5,((STACK_PARAMS/8)-7+7+13+3+1) - rldicr r7,r7,3,59 # multiply by 8 and mask with ~15 - neg r7,r7 - stdux r1,r1,r7 -@@ -67,12 +93,13 @@ NS_InvokeByIndex: - # uint64_t* d)) - - # r5, r6 are passed through intact (paramCount, params) -- # r7 (d) has to be r1+112 -- where parameters are passed on the stack. -+ # r7 (d) has to be r1+STACK_PARAMS -+ # -- where parameters are passed on the stack. - # r3, r4 are above that, easier to address from r31 than from r1 - - subi r3,r31,(23*8) # r3 --> GPRS - subi r4,r31,(16*8) # r4 --> FPRS -- addi r7,r1,112 # r7 --> params -+ addi r7,r1,STACK_PARAMS # r7 --> params - bl invoke_copy_to_stack - nop - -@@ -83,14 +110,18 @@ NS_InvokeByIndex: - - sldi r30,r30,3 # Find function descriptor - add r9,r9,r30 -- ld r9,0(r9) -+ ld r12,0(r9) - -- ld r0,0(r9) # Actual address from fd. -- std r2,40(r1) # Save r2 (TOC pointer) -+ std r2,STACK_TOC(r1) # Save r2 (TOC pointer) - -+#if _CALL_ELF == 2 -+ mtctr r12 -+#else -+ ld r0,0(r12) # Actual address from fd. - mtctr 0 -- ld r11,16(r9) # Environment pointer from fd. -- ld r2,8(r9) # TOC pointer from fd. -+ ld r11,16(r12) # Environment pointer from fd. -+ ld r2,8(r12) # TOC pointer from fd. -+#endif - - # Load FP and GP registers as required - ld r4, -(23*8)(r31) -@@ -117,7 +148,7 @@ NS_InvokeByIndex: - - bctrl # Do it - -- ld r2,40(r1) # Load our own TOC pointer -+ ld r2,STACK_TOC(r1) # Load our own TOC pointer - ld r1,0(r1) # Revert stack frame - ld 0,16(r1) # Reload lr - ld 29,-24(r1) # Restore NVGPRS -@@ -126,7 +157,11 @@ NS_InvokeByIndex: - mtlr 0 - blr - -+#if _CALL_ELF == 2 -+ .size NS_InvokeByIndex,.-NS_InvokeByIndex -+#else - .size NS_InvokeByIndex,.-.NS_InvokeByIndex -+#endif - - # Magic indicating no need for an executable stack - .section .note.GNU-stack, "", @progbits ; .previous -Index: mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc64_linux.cpp -=================================================================== ---- mozilla.orig/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc64_linux.cpp -+++ mozilla/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_ppc64_linux.cpp -@@ -74,7 +74,9 @@ invoke_copy_to_stack(uint64_t* gpregs, - fpregs[i] = s->val.f; // if passed in registers, floats are promoted to doubles - } else { - float *p = (float *)d; -+#ifndef __LITTLE_ENDIAN__ - p++; -+#endif - *p = s->val.f; - } - } -diff --git a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.S -rename from xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s -rename to xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.S ---- a/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.s -+++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_ppc64_linux.S -@@ -17,6 +17,27 @@ - .set f25,25; .set f26,26; .set f27,27; .set f28,28; .set f29,29 - .set f30,30; .set f31,31 - -+#if _CALL_ELF == 2 -+#define STACK_PARAMS 96 -+#else -+#define STACK_PARAMS 112 -+#endif -+ -+#if _CALL_ELF == 2 -+ .section ".text" -+ .type SharedStub,@function -+ .globl SharedStub -+ # Make the symbol hidden so that the branch from the stub does -+ # not go via a PLT. This is not only better for performance, -+ # but may be necessary to avoid linker errors since there is -+ # no place to restore the TOC register in a sibling call. -+ .hidden SharedStub -+ .align 2 -+SharedStub: -+0: addis 2,12,(.TOC.-0b)@ha -+ addi 2,2,(.TOC.-0b)@l -+ .localentry SharedStub,.-SharedStub -+#else - .section ".text" - .align 2 - .globl SharedStub -@@ -29,6 +50,7 @@ SharedStub: - .type SharedStub,@function - - .SharedStub: -+#endif - mflr r0 - - std r4, -56(r1) # Save all GPRS -@@ -55,7 +77,7 @@ SharedStub: - - subi r6,r1,56 # r6 --> gprData - subi r7,r1,160 # r7 --> fprData -- addi r5,r1,112 # r5 --> extra stack args -+ addi r5,r1,STACK_PARAMS # r5 --> extra stack args - - std r0, 16(r1) - -@@ -75,7 +97,11 @@ SharedStub: - mtlr r0 - blr - -+#if _CALL_ELF == 2 -+ .size SharedStub,.-SharedStub -+#else - .size SharedStub,.-.SharedStub -+#endif - - # Magic indicating no need for an executable stack - .section .note.GNU-stack, "", @progbits ; .previous -Index: mozilla/xpcom/reflect/xptcall/src/md/unix/xptcstubs_ppc64_linux.cpp -=================================================================== ---- mozilla.orig/xpcom/reflect/xptcall/src/md/unix/xptcstubs_ppc64_linux.cpp -+++ mozilla/xpcom/reflect/xptcall/src/md/unix/xptcstubs_ppc64_linux.cpp -@@ -83,7 +83,9 @@ PrepareAndDispatch(nsXPTCStubBase* self, - dp->val.f = (float) fprData[i]; // in registers floats are passed as doubles - else { - float *p = (float *)ap; -+#ifndef __LITTLE_ENDIAN__ - p++; -+#endif - dp->val.f = *p; - } - } else { /* integer type or pointer */ -@@ -153,6 +155,43 @@ PrepareAndDispatch(nsXPTCStubBase* self, - // etc. - // Use assembler directives to get the names right... - -+#if _CALL_ELF == 2 -+# define STUB_ENTRY(n) \ -+__asm__ ( \ -+ ".section \".text\" \n\t" \ -+ ".align 2 \n\t" \ -+ ".if "#n" < 10 \n\t" \ -+ ".globl _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \ -+ ".type _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n" \ -+"_ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t" \ -+ "0: addis 2,12,.TOC.-0b@ha \n\t" \ -+ "addi 2,2,.TOC.-0b@l \n\t" \ -+ ".localentry _ZN14nsXPTCStubBase5Stub"#n"Ev,.-_ZN14nsXPTCStubBase5Stub"#n"Ev \n\t" \ -+ \ -+ ".elseif "#n" < 100 \n\t" \ -+ ".globl _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \ -+ ".type _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n" \ -+"_ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t" \ -+ "0: addis 2,12,.TOC.-0b@ha \n\t" \ -+ "addi 2,2,.TOC.-0b@l \n\t" \ -+ ".localentry _ZN14nsXPTCStubBase6Stub"#n"Ev,.-_ZN14nsXPTCStubBase6Stub"#n"Ev \n\t" \ -+ \ -+ ".elseif "#n" < 1000 \n\t" \ -+ ".globl _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \ -+ ".type _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n" \ -+"_ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t" \ -+ "0: addis 2,12,.TOC.-0b@ha \n\t" \ -+ "addi 2,2,.TOC.-0b@l \n\t" \ -+ ".localentry _ZN14nsXPTCStubBase7Stub"#n"Ev,.-_ZN14nsXPTCStubBase7Stub"#n"Ev \n\t" \ -+ \ -+ ".else \n\t" \ -+ ".err \"stub number "#n" >= 1000 not yet supported\"\n" \ -+ ".endif \n\t" \ -+ \ -+ "li 11,"#n" \n\t" \ -+ "b SharedStub \n" \ -+); -+#else - # define STUB_ENTRY(n) \ - __asm__ ( \ - ".section \".toc\",\"aw\" \n\t" \ -@@ -195,6 +234,7 @@ __asm__ ( - "li 11,"#n" \n\t" \ - "b SharedStub \n" \ - ); -+#endif - - #define SENTINEL_ENTRY(n) \ - nsresult nsXPTCStubBase::Sentinel##n() \