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path: root/system/valgrind/coregrind-elfv2.patch
blob: 7e4a2d636a4adb7eccf6e37dfa4f62402a73842e (plain) (blame)
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The LE and BE code here is the same, except the BE has the old-style
function descriptor.  So, we use the LE code on ELFv2 to fix build errors.

--- valgrind-3.13.0/coregrind/m_libcsetjmp.c	2017-05-31 10:14:45.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_libcsetjmp.c	2018-05-25 20:07:37.007835735 -0500
@@ -149,7 +149,7 @@
 
 /* ------------ ppc64-linux ------------ */
 
-#if defined(VGP_ppc64be_linux)
+#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 
 __asm__(
 ".section \".toc\",\"aw\""          "\n"
@@ -268,7 +268,8 @@
 ".previous"  "\n"
 );
 
-#elif defined(VGP_ppc64le_linux)
+#elif (defined(VGP_ppc64le_linux)) || \
+      (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
 __asm__(
 ".section \".toc\",\"aw\""          "\n"
 
--- valgrind-3.13.0/coregrind/m_main.c.old	2017-05-31 10:14:52.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_main.c	2018-05-30 19:01:00.534083618 -0500
@@ -2585,7 +2585,7 @@
     "\ttrap\n"
     ".previous\n"
 );
-#elif defined(VGP_ppc64be_linux)
+#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 asm("\n"
     /* PPC64 ELF ABI says '_start' points to a function descriptor.
        So we must have one, and that is what goes into the .opd section. */
@@ -2631,9 +2631,9 @@
     "\tnop\n"
     "\ttrap\n"
 );
-#elif defined(VGP_ppc64le_linux)
-/* Little Endian uses ELF version 2 but in the future may also
- * support other ELF versions.
+#elif defined(VGP_ppc64le_linux) || \
+      (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
+/* PowerPC 64 ELF version 2 does not use function descriptors.
  */
 asm("\n"
     "\t.align 2\n"
--- valgrind-3.13.0/coregrind/m_syscall.c.old	2017-05-31 10:14:29.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_syscall.c	2018-05-30 19:02:00.984023769 -0500
@@ -470,7 +470,7 @@
 ".previous\n"
 );
 
-#elif defined(VGP_ppc64be_linux)
+#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 /* Due to the need to return 65 bits of result, this is completely
    different from the ppc32 case.  The single arg register points to a
    7-word block containing the syscall # and the 6 args.  The syscall
@@ -506,7 +506,8 @@
 "        blr\n"
 );
 
-#elif defined(VGP_ppc64le_linux)
+#elif defined(VGP_ppc64le_linux) || \
+      (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
 /* Due to the need to return 65 bits of result, this is completely
    different from the ppc32 case.  The single arg register points to a
    7-word block containing the syscall # and the 6 args.  The syscall
--- valgrind-3.13.0/coregrind/m_signals.c.old	2017-05-31 10:14:52.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_signals.c	2018-05-30 22:12:46.082692356 -0500
@@ -889,7 +889,7 @@
    "	sc\n" \
    ".previous\n"
 
-#elif defined(VGP_ppc64be_linux)
+#elif defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 #  define _MY_SIGRETURN(name) \
    ".align   2\n" \
    ".globl   my_sigreturn\n" \
@@ -904,7 +904,8 @@
    "	li	0, " #name "\n" \
    "	sc\n"
 
-#elif defined(VGP_ppc64le_linux)
+#elif defined(VGP_ppc64le_linux) || \
+      (defined(VGP_ppc64be_linux) && defined(_CALL_ELF) && _CALL_ELF == 2)
 /* Little Endian supports ELF version 2.  In the future, it may
  * support other versions.
  */
--- valgrind-3.13.0/coregrind/m_syswrap/syswrap-ppc64-linux.c.old	2017-05-31 10:14:39.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_syswrap/syswrap-ppc64-linux.c	2018-05-30 22:15:42.112518074 -0500
@@ -71,12 +71,12 @@
 //    r4 = retaddr
 //    r5 = function descriptor
 //    r6 = arg1
-/* On PPC64, a func ptr is represented by a TOC entry ptr.
+/* On ELFv1, a func ptr is represented by a TOC entry ptr.
    This TOC entry contains three words; the first word is the function
    address, the second word is the TOC ptr (r2), and the third word is
    the static chain value. */
 asm(
-#if defined(VGP_ppc64be_linux)
+#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 "   .align   2\n"
 "   .globl   vgModuleLocal_call_on_new_stack_0_1\n"
 "   .section \".opd\",\"aw\"\n"
@@ -126,7 +126,7 @@
 "   bctr\n\t"              // jump to dst
 "   trap\n"                // should never get here
 #else
-//  ppc64le_linux
+//  ppc64le_linux, or ELFv2 ABI on BE
 "   .align   2\n"
 "   .globl   vgModuleLocal_call_on_new_stack_0_1\n"
 "vgModuleLocal_call_on_new_stack_0_1:\n"
@@ -211,7 +211,7 @@

 // See priv_syswrap-linux.h for arg profile.
 asm(
-#if defined(VGP_ppc64be_linux)
+#if defined(VGP_ppc64be_linux) && (!defined(_CALL_ELF) || _CALL_ELF == 1)
 "   .align   2\n"
 "   .globl   do_syscall_clone_ppc64_linux\n"
 "   .section \".opd\",\"aw\"\n"
--- valgrind-3.13.0/coregrind/m_syswrap/syscall-ppc64be-linux.S.old	2017-05-31 10:14:39.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_syswrap/syscall-ppc64be-linux.S	2018-05-30 22:18:31.742350130 -0500
@@ -29,7 +29,7 @@
 
 #include "pub_core_basics_asm.h"
 
-#if defined(VGP_ppc64be_linux)
+#if defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
 
 #include "pub_core_vkiscnums_asm.h"
 #include "libvex_guest_offsets.h"
@@ -76,12 +76,25 @@
 
 .align 2
 .globl ML_(do_syscall_for_client_WRK)
+#if _CALL_ELF == 2
+.type .ML_(do_syscall_for_client_WRK),@function
+ML_(do_syscall_for_client_WRK):
+0:      addis         2,12,.TOC.-0b@ha
+        addi          2,2,.TOC.-0b@l
+        .localentry   ML_(do_syscall_for_client_WRK), .-ML_(do_syscall_for_client_WRK)
+#else
 .section ".opd","aw"
 .align 3
-ML_(do_syscall_for_client_WRK):	
+ML_(do_syscall_for_client_WRK):
 .quad .ML_(do_syscall_for_client_WRK),.TOC.@tocbase,0
 .previous
-.type .ML_(do_syscall_for_client_WRK),@function
+#endif
+#if _CALL_ELF == 2
+0:      addis        2,12,.TOC.-0b@ha
+        addi         2,2,.TOC.-0b@l
+        .localentry  ML_(do_syscall_for_client_WRK), .-ML_(do_syscall_for_client_WRK)
+#endif
+.type  .ML_(do_syscall_for_client_WRK),@function
 .globl .ML_(do_syscall_for_client_WRK)
 .ML_(do_syscall_for_client_WRK):
         /* make a stack frame */
@@ -145,7 +158,11 @@
 	/* failure: return 0x8000 | error code */
 7:	ori	3,3,0x8000	/* FAILURE -- ensure return value is nonzero */
         b       5b
-
+#if _CALL_ELF == 2
+        .size .ML_(do_syscall_for_client_WRK),.-.ML_(do_syscall_for_client_WRK)
+#else
+        .size .ML_(do_syscall_for_client_WRK),.-.ML_(do_syscall_for_client_WRK)
+#endif
 .section .rodata
 /* export the ranges so that
    VG_(fixup_guest_state_after_syscall_interrupted) can do the
@@ -162,7 +179,7 @@
 ML_(blksys_committed): .quad 4b
 ML_(blksys_finished):  .quad 5b
 
-#endif // defined(VGP_ppc64be_linux)
+#endif // defined(VGP_ppc64le_linux)
 
 /* Let the linker know we don't need an executable stack */
 MARK_STACK_NO_EXEC
--- valgrind-3.13.0/coregrind/m_dispatch/dispatch-ppc64be-linux.S.old	2017-05-31 10:14:33.000000000 -0500
+++ valgrind-3.13.0/coregrind/m_dispatch/dispatch-ppc64be-linux.S	2018-05-30 22:39:37.951096498 -0500
@@ -30,12 +30,21 @@
 
 #include "pub_core_basics_asm.h"
 
-#if defined(VGP_ppc64be_linux)
+#if defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
 
 #include "pub_core_dispatch_asm.h"
 #include "pub_core_transtab_asm.h"
 #include "libvex_guest_offsets.h"	/* for OFFSET_ppc64_CIA */
 
+/* NOTE: PPC64 supports Big Endian and Little Endian.  It also supports the
+	ELF version 1 and ELF version 2 APIs.
+
+	Currently LE uses ELF version 2 and BE uses ELF version 1.  However,
+	BE and LE may support the other ELF version in the future.  So, the
+	_CALL_ELF is used in the assembly function to enable code for a
+	specific ELF version independently of the endianness of the machine.
+	The test "#if  _CALL_ELF == 2" checks if ELF version 2 is being used.
+*/
 
 /* References to globals via the TOC */
 
@@ -75,14 +84,26 @@
 .section ".text"
 .align   2
 .globl   VG_(disp_run_translations)
+#if _CALL_ELF == 2
+.type VG_(disp_run_translations),@function
+VG_(disp_run_translations):
+.type    .VG_(disp_run_translations),@function
+#else
 .section ".opd","aw"
 .align   3
 VG_(disp_run_translations):
 .quad    .VG_(disp_run_translations),.TOC.@tocbase,0
 .previous
 .type    .VG_(disp_run_translations),@function
+#endif
 .globl   .VG_(disp_run_translations)
 .VG_(disp_run_translations):
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_run_translations), .-VG_(disp_run_translations)
+#endif
+
 	/* r3 holds two_words */
 	/* r4 holds guest_state */
         /* r5 holds host_addr */
@@ -229,8 +250,13 @@
         /* make a stack frame for the code we are calling */
         stdu    1,-48(1)
 
-        /* Set up the guest state ptr */
+	/* Set up the guest state ptr */
         mr      31,4      /* r31 (generated code gsp) = r4 */
+#if  _CALL_ELF == 2
+/*  for the LE ABI need to setup r2 and r12 */
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+#endif
 
         /* and jump into the code cache.  Chained translations in
            the code cache run, until for whatever reason, they can't
@@ -385,6 +411,9 @@
         mtlr    0
         addi    1,1,624   /* stack_size */
         blr
+#if _CALL_ELF == 2
+	.size VG_(disp_run_translations),.-VG_(disp_run_translations)
+#endif
 
 
 /*----------------------------------------------------*/
@@ -395,15 +424,25 @@
         .section ".text"
         .align   2
         .globl   VG_(disp_cp_chain_me_to_slowEP)
-        .section ".opd","aw"
+#if  _CALL_ELF == 2
+        .type VG_(disp_cp_chain_me_to_slowEP),@function
+	VG_(disp_cp_chain_me_to_slowEP):
+#else
+	.section ".opd","aw"
         .align   3
 VG_(disp_cp_chain_me_to_slowEP):
         .quad    .VG_(disp_cp_chain_me_to_slowEP),.TOC.@tocbase,0
         .previous
+#endif
         .type    .VG_(disp_cp_chain_me_to_slowEP),@function
         .globl   .VG_(disp_cp_chain_me_to_slowEP)
 .VG_(disp_cp_chain_me_to_slowEP):
-        /* We got called.  The return address indicates
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_cp_chain_me_to_slowEP), .-VG_(disp_cp_chain_me_to_slowEP)
+#endif
+	/* We got called.  The return address indicates
            where the patching needs to happen.  Collect
            the return address and, exit back to C land,
            handing the caller the pair (Chain_me_S, RA) */
@@ -415,20 +454,33 @@
         */
         subi 7,7,20+4+4
         b    .postamble
+#if  _CALL_ELF == 2
+        .size VG_(disp_cp_chain_me_to_slowEP),.-VG_(disp_cp_chain_me_to_slowEP)
+#endif
 
 /* ------ Chain me to fast entry point ------ */
         .section ".text"
         .align   2
         .globl   VG_(disp_cp_chain_me_to_fastEP)
-        .section ".opd","aw"
+#if  _CALL_ELF == 2
+        .type VG_(disp_cp_chain_me_to_fastEP),@function
+VG_(disp_cp_chain_me_to_fastEP):
+#else
+	.section ".opd","aw"
         .align   3
 VG_(disp_cp_chain_me_to_fastEP):
         .quad    .VG_(disp_cp_chain_me_to_fastEP),.TOC.@tocbase,0
         .previous
+#endif
         .type    .VG_(disp_cp_chain_me_to_fastEP),@function
         .globl   .VG_(disp_cp_chain_me_to_fastEP)
 .VG_(disp_cp_chain_me_to_fastEP):
-        /* We got called.  The return address indicates
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_cp_chain_me_to_fastEP), .-VG_(disp_cp_chain_me_to_fastEP)
+#endif
+	/* We got called.  The return address indicates
            where the patching needs to happen.  Collect
            the return address and, exit back to C land,
            handing the caller the pair (Chain_me_S, RA) */
@@ -440,20 +492,33 @@
         */
         subi 7,7,20+4+4
         b    .postamble
+#if _CALL_ELF == 2
+        .size VG_(disp_cp_chain_me_to_fastEP),.-VG_(disp_cp_chain_me_to_fastEP)
+#endif
 
 /* ------ Indirect but boring jump ------ */
         .section ".text"
         .align   2
         .globl   VG_(disp_cp_xindir)
-        .section ".opd","aw"
+#if _CALL_ELF == 2
+        .type VG_(disp_cp_xindir),@function
+VG_(disp_cp_xindir):
+#else
+	.section ".opd","aw"
         .align   3
 VG_(disp_cp_xindir):
         .quad    .VG_(disp_cp_xindir),.TOC.@tocbase,0
         .previous
+#endif
         .type    .VG_(disp_cp_xindir),@function
         .globl   .VG_(disp_cp_xindir)
 .VG_(disp_cp_xindir):
-        /* Where are we going? */
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_cp_xindir), .-VG_(disp_cp_xindir)
+#endif
+	/* Where are we going? */
         ld      3,OFFSET_ppc64_CIA(31)
 
         /* stats only */
@@ -479,6 +544,9 @@
         /* Found a match.  Jump to .host. */
         mtctr   7
         bctr
+#if _CALL_ELF == 2
+        .size VG_(disp_cp_xindir),.-VG_(disp_cp_xindir)
+#endif
 
 .fast_lookup_failed:
         /* stats only */
@@ -496,39 +564,64 @@
 .section ".text"
         .align   2
         .globl   VG_(disp_cp_xassisted)
-        .section ".opd","aw"
+#if _CALL_ELF == 2
+        .type VG_(disp_cp_xassisted),@function
+VG_(disp_cp_xassisted):
+#else
+	.section ".opd","aw"
         .align   3
 VG_(disp_cp_xassisted):
         .quad    .VG_(disp_cp_xassisted),.TOC.@tocbase,0
         .previous
-        .type    .VG_(disp_cp_xassisted),@function
+#endif
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_cp_xassisted), .-VG_(disp_cp_xassisted)
+#endif
+	.type    .VG_(disp_cp_xassisted),@function
         .globl   .VG_(disp_cp_xassisted)
 .VG_(disp_cp_xassisted):
         /* r31 contains the TRC */
         mr      6,31
         li      7,0
         b       .postamble
+#if _CALL_ELF == 2
+        .size VG_(disp_cp_xassisted),.-VG_(disp_cp_xassisted)
+#endif
 
 /* ------ Event check failed ------ */
         .section ".text"
         .align   2
         .globl   VG_(disp_cp_evcheck_fail)
-        .section ".opd","aw"
+#if _CALL_ELF == 2
+        .type VG_(disp_cp_evcheck_fail),@function
+VG_(disp_cp_evcheck_fail):
+#else
+	.section ".opd","aw"
         .align   3
 VG_(disp_cp_evcheck_fail):
         .quad    .VG_(disp_cp_evcheck_fail),.TOC.@tocbase,0
         .previous
+#endif
+#if  _CALL_ELF == 2
+0:      addis 2, 12,.TOC.-0b@ha
+        addi  2,2,.TOC.-0b@l
+        .localentry VG_(disp_cp_evcheck_fail), .-VG_(disp_cp_evcheck_fail)
+#endif
         .type    .VG_(disp_cp_evcheck_fail),@function
         .globl   .VG_(disp_cp_evcheck_fail)
 .VG_(disp_cp_evcheck_fail):
         li      6,VG_TRC_INNER_COUNTERZERO
         li      7,0
         b       .postamble
+#if  _CALL_ELF == 2
+       .size VG_(disp_cp_evcheck_fail),.-VG_(disp_cp_evcheck_fail)
+#endif
 
-        
 .size .VG_(disp_run_translations), .-.VG_(disp_run_translations)
 
-#endif // defined(VGP_ppc64be_linux)
+#endif // defined(VGP_ppc64be_linux) || defined(VGP_ppc64le_linux)
 
 /* Let the linker know we don't need an executable stack */
 MARK_STACK_NO_EXEC