Arm: Fix performance issue with thumb-2 tailcalls
We currently use a padding NOP after a Thumb to Arm interworking veneer (BX pc). The NOP is never executed but may result in a performance penalty on some cores. For this reason this patch changes the NOPs after Thumb to Arm veneers into B .-2 and adds a note to this in the source code for future reference. bfd/ChangeLog: * elf32-arm.c (elf32_thumb2_plt_entry, elf32_arm_plt_thumb_stub, elf32_arm_stub_long_branch_v4t_thumb_thumb, elf32_arm_stub_long_branch_v4t_thumb_arm, elf32_arm_stub_short_branch_v4t_thumb_arm, elf32_arm_stub_long_branch_v4t_thumb_arm_pic, elf32_arm_stub_long_branch_v4t_thumb_thumb_pic, elf32_arm_stub_long_branch_v4t_thumb_tls_pic): Change nop to branch to previous instruction. ld/ChangeLog: * testsuite/ld-arm/cortex-a8-fix-b-plt.d: Update Testcase. * testsuite/ld-arm/cortex-a8-fix-b-rel-arm.d: Likewise. * testsuite/ld-arm/cortex-a8-fix-bcc-plt.d: Likewise. * testsuite/ld-arm/farcall-cond-thumb-arm.d: Likewise. * testsuite/ld-arm/farcall-mixed-app.d: Likewise. * testsuite/ld-arm/farcall-mixed-app2.d: Likewise. * testsuite/ld-arm/farcall-mixed-lib-v4t.d: Likewise. * testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d: Likewise. * testsuite/ld-arm/farcall-thumb-arm-short.d: Likewise. * testsuite/ld-arm/farcall-thumb-arm.d: Likewise. * testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d: Likewise. * testsuite/ld-arm/farcall-thumb-thumb.d: Likewise. * testsuite/ld-arm/fix-arm1176-on.d: Likewise. * testsuite/ld-arm/ifunc-10.dd: Likewise. * testsuite/ld-arm/ifunc-2.dd: Likewise. * testsuite/ld-arm/ifunc-4.dd: Likewise. * testsuite/ld-arm/ifunc-6.dd: Likewise. * testsuite/ld-arm/ifunc-8.dd: Likewise. * testsuite/ld-arm/jump-reloc-veneers-long.d: Likewise. * testsuite/ld-arm/mixed-app.d: Likewise. * testsuite/ld-arm/thumb2-b-interwork.d: Likewise. * testsuite/ld-arm/tls-longplt.d: Likewise. * testsuite/ld-arm/tls-thumb1.d: Likewise.
This commit is contained in:
Tamar Christina
parent
d7a11d1383
commit
b4e87f2c1e
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@ -1,3 +1,14 @@
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2019-08-20 Tamar Christina <tamar.christina@arm.com>
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* elf32-arm.c (elf32_thumb2_plt_entry, elf32_arm_plt_thumb_stub,
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elf32_arm_stub_long_branch_v4t_thumb_thumb,
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elf32_arm_stub_long_branch_v4t_thumb_arm,
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elf32_arm_stub_short_branch_v4t_thumb_arm,
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elf32_arm_stub_long_branch_v4t_thumb_arm_pic,
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elf32_arm_stub_long_branch_v4t_thumb_thumb_pic,
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elf32_arm_stub_long_branch_v4t_thumb_tls_pic): Change nop to branch to
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previous instruction.
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2019-08-19 Tom Tromey <tromey@adacore.com>
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* dwarf2.c (_bfd_dwarf2_find_symbol_bias): Create hash table
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@ -2329,6 +2329,11 @@ static const unsigned long dl_tlsdesc_lazy_trampoline [] =
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0x00000018, /* 4: .word _GLOBAL_OFFSET_TABLE_ - 2b - 8 */
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};
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/* NOTE: [Thumb nop sequence]
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When adding code that transitions from Thumb to Arm the instruction that
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should be used for the alignment padding should be 0xe7fd (b .-2) instead of
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a nop for performance reasons. */
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/* ARM FDPIC PLT entry. */
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/* The last 5 words contain PLT lazy fragment code and data. */
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static const bfd_vma elf32_arm_fdpic_plt_entry [] =
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@ -2446,8 +2451,8 @@ static const bfd_vma elf32_thumb2_plt_entry [] =
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0x0c00f240, /* movw ip, #0xNNNN */
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0x0c00f2c0, /* movt ip, #0xNNNN */
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0xf8dc44fc, /* add ip, pc */
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0xbf00f000 /* ldr.w pc, [ip] */
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/* nop */
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0xe7fdf000 /* ldr.w pc, [ip] */
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/* b .-2 */
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};
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/* The format of the first entry in the procedure linkage table
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@ -2487,7 +2492,7 @@ static const bfd_vma elf32_arm_vxworks_shared_plt_entry[] =
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static const bfd_vma elf32_arm_plt_thumb_stub [] =
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{
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0x4778, /* bx pc */
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0x46c0 /* nop */
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0xe7fd /* b .-2 */
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};
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/* The entries in a PLT when using a DLL-based target with multiple
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@ -2574,6 +2579,8 @@ typedef struct
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int reloc_addend;
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} insn_sequence;
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/* See note [Thumb nop sequence] when adding a veneer. */
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/* Arm/Thumb -> Arm/Thumb long branch stub. On V5T and above, use blx
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to reach the stub if necessary. */
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static const insn_sequence elf32_arm_stub_long_branch_any_any[] =
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@ -2624,7 +2631,7 @@ static const insn_sequence elf32_arm_stub_long_branch_thumb2_only_pure[] =
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static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_thumb[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_INSN (0xe59fc000), /* ldr ip, [pc, #0] */
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ARM_INSN (0xe12fff1c), /* bx ip */
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DATA_WORD (0, R_ARM_ABS32, 0), /* dcd R_ARM_ABS32(X) */
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@ -2635,7 +2642,7 @@ static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_thumb[] =
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static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_arm[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_INSN (0xe51ff004), /* ldr pc, [pc, #-4] */
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DATA_WORD (0, R_ARM_ABS32, 0), /* dcd R_ARM_ABS32(X) */
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};
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@ -2645,7 +2652,7 @@ static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_arm[] =
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static const insn_sequence elf32_arm_stub_short_branch_v4t_thumb_arm[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_REL_INSN (0xea000000, -8), /* b (X-8) */
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};
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@ -2683,7 +2690,7 @@ static const insn_sequence elf32_arm_stub_long_branch_v4t_arm_thumb_pic[] =
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static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_arm_pic[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_INSN (0xe59fc000), /* ldr ip, [pc, #0] */
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ARM_INSN (0xe08cf00f), /* add pc, ip, pc */
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DATA_WORD (0, R_ARM_REL32, -4), /* dcd R_ARM_REL32(X) */
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@ -2707,7 +2714,7 @@ static const insn_sequence elf32_arm_stub_long_branch_thumb_only_pic[] =
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static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_thumb_pic[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_INSN (0xe59fc004), /* ldr ip, [pc, #4] */
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ARM_INSN (0xe08fc00c), /* add ip, pc, ip */
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ARM_INSN (0xe12fff1c), /* bx ip */
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@ -2728,7 +2735,7 @@ static const insn_sequence elf32_arm_stub_long_branch_any_tls_pic[] =
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static const insn_sequence elf32_arm_stub_long_branch_v4t_thumb_tls_pic[] =
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{
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THUMB16_INSN (0x4778), /* bx pc */
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THUMB16_INSN (0x46c0), /* nop */
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THUMB16_INSN (0xe7fd), /* b .-2 */
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ARM_INSN (0xe59f1000), /* ldr r1, [pc, #0] */
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ARM_INSN (0xe081f00f), /* add pc, r1, pc */
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DATA_WORD (0, R_ARM_REL32, -4), /* dcd R_ARM_REL32(X) */
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26
ld/ChangeLog
26
ld/ChangeLog
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@ -1,3 +1,29 @@
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2019-08-20 Tamar Christina <tamar.christina@arm.com>
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* testsuite/ld-arm/cortex-a8-fix-b-plt.d: Update Testcase.
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* testsuite/ld-arm/cortex-a8-fix-b-rel-arm.d: Likewise.
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* testsuite/ld-arm/cortex-a8-fix-bcc-plt.d: Likewise.
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* testsuite/ld-arm/farcall-cond-thumb-arm.d: Likewise.
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* testsuite/ld-arm/farcall-mixed-app.d: Likewise.
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* testsuite/ld-arm/farcall-mixed-app2.d: Likewise.
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* testsuite/ld-arm/farcall-mixed-lib-v4t.d: Likewise.
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* testsuite/ld-arm/farcall-thumb-arm-pic-veneer.d: Likewise.
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* testsuite/ld-arm/farcall-thumb-arm-short.d: Likewise.
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* testsuite/ld-arm/farcall-thumb-arm.d: Likewise.
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* testsuite/ld-arm/farcall-thumb-thumb-pic-veneer.d: Likewise.
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* testsuite/ld-arm/farcall-thumb-thumb.d: Likewise.
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* testsuite/ld-arm/fix-arm1176-on.d: Likewise.
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* testsuite/ld-arm/ifunc-10.dd: Likewise.
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* testsuite/ld-arm/ifunc-2.dd: Likewise.
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* testsuite/ld-arm/ifunc-4.dd: Likewise.
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* testsuite/ld-arm/ifunc-6.dd: Likewise.
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* testsuite/ld-arm/ifunc-8.dd: Likewise.
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* testsuite/ld-arm/jump-reloc-veneers-long.d: Likewise.
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* testsuite/ld-arm/mixed-app.d: Likewise.
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* testsuite/ld-arm/thumb2-b-interwork.d: Likewise.
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* testsuite/ld-arm/tls-longplt.d: Likewise.
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* testsuite/ld-arm/tls-thumb1.d: Likewise.
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2019-08-16 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/24905
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@ -12,7 +12,7 @@ Disassembly of section \.plt:
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8010: 00000ffc \.word 0x00000ffc
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00008014 <bar@plt>:
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8014: 4778 bx pc
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8016: 46c0 nop ; \(mov r8, r8\)
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8016: e7fd b.n .+ <.+>
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8018: e28fc600 add ip, pc, #0, 12
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801c: e28cca00 add ip, ip, #0, 20
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8020: e5bcfff8 ldr pc, \[ip, #4088\]! ; 0xff8
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@ -79,5 +79,5 @@ Disassembly of section \.text:
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00009010 <__targetfn_from_thumb>:
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9010: 4778 bx pc
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9012: 46c0 nop ; \(mov r8, r8\)
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9012: e7fd b.n .+ <.+>
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9014: eaffffb9 b 8f00 <targetfn>
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@ -12,7 +12,7 @@ Disassembly of section \.plt:
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8010: 00001004 \.word 0x00001004
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00008014 <bar@plt>:
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8014: 4778 bx pc
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8016: 46c0 nop ; \(mov r8, r8\)
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8016: e7fd b.n .+ <.+>
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8018: e28fc600 add ip, pc, #0, 12
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801c: e28cca01 add ip, ip, #4096 ; 0x1000
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8020: e5bcf000 ldr pc, \[ip, #0\]!
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@ -9,7 +9,7 @@ Disassembly of section .text:
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00058008 <__bar_from_thumb>:
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58008: 4778 bx pc
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5800a: 46c0 nop ; \(mov r8, r8\)
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5800a: e7fd b.n .+ <.+>
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5800c: ea02fffb b 118000 <bar>
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Disassembly of section .foo:
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@ -14,7 +14,7 @@ Disassembly of section .plt:
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.*: .*
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.* <lib_func2@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]!.*
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@ -82,7 +82,7 @@ Disassembly of section .far_thumb:
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.* <__lib_func2_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e51ff004 ldr pc, \[pc, #-4\] ; 2200018 <__lib_func2_from_thumb\+0x8>
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.*: 000081e0 .word 0x000081e0
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.*: 00000000 .word 0x00000000
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@ -14,7 +14,7 @@ Disassembly of section .plt:
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.*: .*
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.* <lib_func2@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]!.*
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@ -56,7 +56,7 @@ Disassembly of section .mid_thumb:
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.* <__lib_func2_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e51ff004 ldr pc, \[pc, #-4\] ; 10081e8 <__lib_func2_from_thumb\+0x8>
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.*: 000081e0 .word 0x000081e0
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.*: 00000000 .word 0x00000000
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@ -13,25 +13,25 @@ Disassembly of section .plt:
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.*: .* .word .*
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.* <app_func@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]! ; .*
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.* <app_func_weak@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]! ; 0x.*
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.* <lib_func3@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]! ; 0x.*
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.* <lib_func4@plt>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e28fc6.* add ip, pc, #.*
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.*: e28cca.* add ip, ip, #.* ; 0x.*
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.*: e5bcf.* ldr pc, \[ip, #.*\]! ; 0x.*
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@ -59,28 +59,28 @@ Disassembly of section .text:
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.* <__app_func_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__app_func_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: feffff.. .word 0xfeffff..
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.* <__lib_func4_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__lib_func4_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: feffff.. .word 0xfeffff..
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.* <__app_func_weak_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__app_func_weak_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: feffff.. .word 0xfeffff..
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.* <__lib_func3_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__lib_func3_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: feffff.. .word 0xfeffff..
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@ -94,14 +94,14 @@ Disassembly of section .text:
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.* <__app_func_weak_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__app_func_weak_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: fdffff34 .word 0xfdffff34
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.* <__app_func_from_thumb>:
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.*: 4778 bx pc
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.*: 46c0 nop ; \(mov r8, r8\)
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.*: e7fd b.n .+ <.+>
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.*: e59fc000 ldr ip, \[pc\] ; .* <__app_func_from_thumb\+0xc>
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.*: e08cf00f add pc, ip, pc
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.*: fdffff14 .word 0xfdffff14
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@ -9,7 +9,7 @@ Disassembly of section .text:
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01f01018 <__bar_from_thumb>:
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1f01018: 4778 bx pc
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1f0101a: 46c0 nop ; \(mov r8, r8\)
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1f0101a: e7fd b.n .+ <.+>
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1f0101c: e59fc000 ldr ip, \[pc\] ; 1f01024 <__bar_from_thumb\+0xc>
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1f01020: e08cf00f add pc, ip, pc
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||||
1f01024: 000fffec .word 0x000fffec
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ Disassembly of section .text:
|
|||
|
||||
00001008 <__bar_from_thumb>:
|
||||
1008: 4778 bx pc
|
||||
100a: 46c0 nop ; \(mov r8, r8\)
|
||||
100a: e7fd b.n .+ <.+>
|
||||
100c: ea000400 b 2014 <bar>
|
||||
Disassembly of section .foo:
|
||||
|
||||
|
|
|
|||
|
|
@ -9,13 +9,13 @@ Disassembly of section .text:
|
|||
|
||||
01f01018 <__bar_from_thumb>:
|
||||
1f01018: 4778 bx pc
|
||||
1f0101a: 46c0 nop ; \(mov r8, r8\)
|
||||
1f0101a: e7fd b.n .+ <.+>
|
||||
1f0101c: e51ff004 ldr pc, \[pc, #-4\] ; 1f01020 <__bar_from_thumb\+0x8>
|
||||
1f01020: 02001014 .word 0x02001014
|
||||
|
||||
01f01024 <__bar_from_thumb>:
|
||||
1f01024: 4778 bx pc
|
||||
1f01026: 46c0 nop ; \(mov r8, r8\)
|
||||
1f01026: e7fd b.n .+ <.+>
|
||||
1f01028: ea03fff9 b 2001014 <bar>
|
||||
1f0102c: 00000000 andeq r0, r0, r0
|
||||
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ Disassembly of section .text:
|
|||
|
||||
00001008 <__bar_veneer>:
|
||||
1008: 4778 bx pc
|
||||
100a: 46c0 nop ; \(mov r8, r8\)
|
||||
100a: e7fd b.n .+ <.+>
|
||||
100c: e59fc004 ldr ip, \[pc, #4\] ; 1018 <__bar_veneer\+0x10>
|
||||
1010: e08fc00c add ip, pc, ip
|
||||
1014: e12fff1c bx ip
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ Disassembly of section .text:
|
|||
|
||||
00001008 <__bar_veneer>:
|
||||
1008: 4778 bx pc
|
||||
100a: 46c0 nop ; \(mov r8, r8\)
|
||||
100a: e7fd b.n .+ <.+>
|
||||
100c: e59fc000 ldr ip, \[pc\] ; 1014 <__bar_veneer\+0xc>
|
||||
1010: e12fff1c bx ip
|
||||
1014: 02001015 .word 0x02001015
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ Disassembly of section .foo:
|
|||
|
||||
[0-9a-f]+ <__func_to_branch_to_veneer>:
|
||||
+[0-9a-f]+: 4778 bx pc
|
||||
+[0-9a-f]+: 46c0 nop ; \(mov r8, r8\)
|
||||
+[0-9a-f]+: e7fd b.n .+ <.+>
|
||||
+[0-9a-f]+: e51ff004 ldr pc, \[pc, #-4\] ; 2001020 <__func_to_branch_to_veneer\+0x8>
|
||||
+[0-9a-f]+: ........ .word 0x........
|
||||
+[0-9a-f]+: 00000000 .word 0x00000000
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009014 <atf2@plt>:
|
||||
9014: 4778 bx pc
|
||||
9016: 46c0 nop ; \(mov r8, r8\)
|
||||
9016: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -37,7 +37,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009030 <ttf2@plt>:
|
||||
9030: 4778 bx pc
|
||||
9032: 46c0 nop ; \(mov r8, r8\)
|
||||
9032: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -49,7 +49,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009040 <tbf2@plt>:
|
||||
9040: 4778 bx pc
|
||||
9042: 46c0 nop ; \(mov r8, r8\)
|
||||
9042: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -75,7 +75,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009068 <abf4@plt>:
|
||||
9068: 4778 bx pc
|
||||
906a: 46c0 nop ; \(mov r8, r8\)
|
||||
906a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf4's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -87,7 +87,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009078 <tbf4@plt>:
|
||||
9078: 4778 bx pc
|
||||
907a: 46c0 nop ; \(mov r8, r8\)
|
||||
907a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf4's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -99,7 +99,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009088 <ttf4@plt>:
|
||||
9088: 4778 bx pc
|
||||
908a: 46c0 nop ; \(mov r8, r8\)
|
||||
908a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf4's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -111,7 +111,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009098 <atf4@plt>:
|
||||
9098: 4778 bx pc
|
||||
909a: 46c0 nop ; \(mov r8, r8\)
|
||||
909a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf4's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -130,7 +130,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
000090b4 <abf2@plt>:
|
||||
90b4: 4778 bx pc
|
||||
90b6: 46c0 nop ; \(mov r8, r8\)
|
||||
90b6: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -151,7 +151,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90d0: 4778 bx pc
|
||||
90d2: 46c0 nop ; \(mov r8, r8\)
|
||||
90d2: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -162,7 +162,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90e0: 4778 bx pc
|
||||
90e2: 46c0 nop ; \(mov r8, r8\)
|
||||
90e2: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -179,7 +179,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90fc: 4778 bx pc
|
||||
90fe: 46c0 nop ; \(mov r8, r8\)
|
||||
90fe: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -190,7 +190,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
910c: 4778 bx pc
|
||||
910e: 46c0 nop ; \(mov r8, r8\)
|
||||
910e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -201,7 +201,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf3
|
||||
#------------------------------------------------------------------------------
|
||||
911c: 4778 bx pc
|
||||
911e: 46c0 nop ; \(mov r8, r8\)
|
||||
911e: e7fd b.n .+ <.+>
|
||||
|
||||
00009120 <atf3>:
|
||||
9120: e28fc600 add ip, pc, #0, 12
|
||||
|
|
@ -211,7 +211,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf3
|
||||
#------------------------------------------------------------------------------
|
||||
912c: 4778 bx pc
|
||||
912e: 46c0 nop ; \(mov r8, r8\)
|
||||
912e: e7fd b.n .+ <.+>
|
||||
|
||||
00009130 <abf3>:
|
||||
9130: e28fc600 add ip, pc, #0, 12
|
||||
|
|
@ -221,7 +221,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf3
|
||||
#------------------------------------------------------------------------------
|
||||
913c: 4778 bx pc
|
||||
913e: 46c0 nop ; \(mov r8, r8\)
|
||||
913e: e7fd b.n .+ <.+>
|
||||
|
||||
00009140 <ttf3>:
|
||||
9140: e28fc600 add ip, pc, #0, 12
|
||||
|
|
@ -231,7 +231,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf3
|
||||
#------------------------------------------------------------------------------
|
||||
914c: 4778 bx pc
|
||||
914e: 46c0 nop ; \(mov r8, r8\)
|
||||
914e: e7fd b.n .+ <.+>
|
||||
|
||||
00009150 <tbf3>:
|
||||
9150: e28fc600 add ip, pc, #0, 12
|
||||
|
|
|
|||
|
|
@ -21,7 +21,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9018: 4778 bx pc
|
||||
901a: 46c0 nop ; \(mov r8, r8\)
|
||||
901a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ f3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -32,7 +32,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9028: 4778 bx pc
|
||||
902a: 46c0 nop ; \(mov r8, r8\)
|
||||
902a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ f4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -43,7 +43,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f7
|
||||
#------------------------------------------------------------------------------
|
||||
9038: 4778 bx pc
|
||||
903a: 46c0 nop ; \(mov r8, r8\)
|
||||
903a: e7fd b.n .+ <.+>
|
||||
|
||||
0000903c <f7>:
|
||||
903c: e28fc600 add ip, pc, #0, 12
|
||||
|
|
@ -58,7 +58,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f8
|
||||
#------------------------------------------------------------------------------
|
||||
9054: 4778 bx pc
|
||||
9056: 46c0 nop ; \(mov r8, r8\)
|
||||
9056: e7fd b.n .+ <.+>
|
||||
|
||||
00009058 <f8>:
|
||||
9058: e28fc600 add ip, pc, #0, 12
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009014 <atf2@plt>:
|
||||
9014: 4778 bx pc
|
||||
9016: 46c0 nop ; \(mov r8, r8\)
|
||||
9016: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -30,7 +30,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009024 <ttf2@plt>:
|
||||
9024: 4778 bx pc
|
||||
9026: 46c0 nop ; \(mov r8, r8\)
|
||||
9026: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -42,7 +42,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
00009034 <tbf2@plt>:
|
||||
9034: 4778 bx pc
|
||||
9036: 46c0 nop ; \(mov r8, r8\)
|
||||
9036: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -68,7 +68,7 @@ Disassembly of section \.plt:
|
|||
#------------------------------------------------------------------------------
|
||||
0000905c <abf2@plt>:
|
||||
905c: 4778 bx pc
|
||||
905e: 46c0 nop ; \(mov r8, r8\)
|
||||
905e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf2's .plt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -89,7 +89,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9078: 4778 bx pc
|
||||
907a: 46c0 nop ; \(mov r8, r8\)
|
||||
907a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -100,7 +100,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9088: 4778 bx pc
|
||||
908a: 46c0 nop ; \(mov r8, r8\)
|
||||
908a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -117,7 +117,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90a4: 4778 bx pc
|
||||
90a6: 46c0 nop ; \(mov r8, r8\)
|
||||
90a6: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -128,7 +128,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90b4: 4778 bx pc
|
||||
90b6: 46c0 nop ; \(mov r8, r8\)
|
||||
90b6: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -145,7 +145,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90d0: 4778 bx pc
|
||||
90d2: 46c0 nop ; \(mov r8, r8\)
|
||||
90d2: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -156,7 +156,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90e0: 4778 bx pc
|
||||
90e2: 46c0 nop ; \(mov r8, r8\)
|
||||
90e2: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -167,7 +167,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
90f0: 4778 bx pc
|
||||
90f2: 46c0 nop ; \(mov r8, r8\)
|
||||
90f2: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -178,7 +178,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9100: 4778 bx pc
|
||||
9102: 46c0 nop ; \(mov r8, r8\)
|
||||
9102: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -195,7 +195,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
911c: 4778 bx pc
|
||||
911e: 46c0 nop ; \(mov r8, r8\)
|
||||
911e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -206,7 +206,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
912c: 4778 bx pc
|
||||
912e: 46c0 nop ; \(mov r8, r8\)
|
||||
912e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -217,7 +217,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
913c: 4778 bx pc
|
||||
913e: 46c0 nop ; \(mov r8, r8\)
|
||||
913e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -234,7 +234,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9158: 4778 bx pc
|
||||
915a: 46c0 nop ; \(mov r8, r8\)
|
||||
915a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -9,7 +9,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9000: 4778 bx pc
|
||||
9002: 46c0 nop ; \(mov r8, r8\)
|
||||
9002: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ f3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -26,7 +26,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to f4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
901c: 4778 bx pc
|
||||
901e: 46c0 nop ; \(mov r8, r8\)
|
||||
901e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ f4's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -15,7 +15,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
900c: 4778 bx pc
|
||||
900e: 46c0 nop ; \(mov r8, r8\)
|
||||
900e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -26,7 +26,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
901c: 4778 bx pc
|
||||
901e: 46c0 nop ; \(mov r8, r8\)
|
||||
901e: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -43,7 +43,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9038: 4778 bx pc
|
||||
903a: 46c0 nop ; \(mov r8, r8\)
|
||||
903a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -54,7 +54,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9048: 4778 bx pc
|
||||
904a: 46c0 nop ; \(mov r8, r8\)
|
||||
904a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf1's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -65,7 +65,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to atf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9058: 4778 bx pc
|
||||
905a: 46c0 nop ; \(mov r8, r8\)
|
||||
905a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ atf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -76,7 +76,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to abf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9068: 4778 bx pc
|
||||
906a: 46c0 nop ; \(mov r8, r8\)
|
||||
906a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ abf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -87,7 +87,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to ttf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9078: 4778 bx pc
|
||||
907a: 46c0 nop ; \(mov r8, r8\)
|
||||
907a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ ttf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
@ -98,7 +98,7 @@ Disassembly of section \.iplt:
|
|||
#------ thumb entry to tbf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
9088: 4778 bx pc
|
||||
908a: 46c0 nop ; \(mov r8, r8\)
|
||||
908a: e7fd b.n .+ <.+>
|
||||
#------------------------------------------------------------------------------
|
||||
#------ tbf3's .iplt entry
|
||||
#------------------------------------------------------------------------------
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@ Disassembly of section .text:
|
|||
|
||||
000080.. <[^>]*>:
|
||||
80..: 4778 bx pc
|
||||
80..: 46c0 nop ; \(mov r8, r8\)
|
||||
80..: e7fd b.n .+ <.+>
|
||||
80..: e59fc000 ldr ip, \[pc\] ; 80.. <__dest_veneer\+0xc>
|
||||
80..: e12fff1c bx ip
|
||||
80..: 09000001 .word 0x09000001
|
||||
|
|
|
|||
|
|
@ -14,7 +14,7 @@ Disassembly of section .plt:
|
|||
.*: .*
|
||||
.* <lib_func2@plt>:
|
||||
.*: 4778 bx pc
|
||||
.*: 46c0 nop ; \(mov r8, r8\)
|
||||
.*: e7fd b.n .+ <.+>
|
||||
.*: e28fc6.* add ip, pc, #.*
|
||||
.*: e28cca.* add ip, ip, #.* ; 0x.*
|
||||
.*: e5bcf.* ldr pc, \[ip, #.*\]!.*
|
||||
|
|
|
|||
|
|
@ -11,6 +11,6 @@ Disassembly of section .text:
|
|||
|
||||
[0-9a-f]+ <__bar_from_thumb>:
|
||||
+[0-9a-f]+: 4778 bx pc
|
||||
+[0-9a-f]+: 46c0 nop ; \(mov r8, r8\)
|
||||
+[0-9a-f]+: e7fd b.n .+ <.+>
|
||||
+[0-9a-f]+: eafffffc b [0-9a-f]+ <bar>
|
||||
|
||||
|
|
|
|||
|
|
@ -58,7 +58,7 @@ Disassembly of section .foo:
|
|||
|
||||
04001038 <__unnamed_veneer>:
|
||||
4001038: 4778 bx pc
|
||||
400103a: 46c0 nop ; .*
|
||||
400103a: e7fd b.n .+ <.+>
|
||||
400103c: e51ff004 ldr pc, \[pc, #-4\] ; .*
|
||||
4001040: 000081b0 .word 0x000081b0
|
||||
4001044: 00000000 .word 0x00000000
|
||||
|
|
|
|||
|
|
@ -38,7 +38,7 @@ Disassembly of section .text:
|
|||
|
||||
000081a0 <__unnamed_veneer>:
|
||||
.*: 4778 bx pc
|
||||
.*: 46c0 nop ; .*
|
||||
.*: e7fd b.n .+ <.+>
|
||||
.*: e59f1000 ldr r1, \[pc\] ; .*
|
||||
.*: e081f00f add pc, r1, pc
|
||||
.*: ffffffa0 .word 0xffffffa0
|
||||
|
|
@ -67,7 +67,7 @@ Disassembly of section .foo:
|
|||
|
||||
0400103c <__unnamed_veneer>:
|
||||
.*: 4778 bx pc
|
||||
.*: 46c0 nop ; .*
|
||||
.*: e7fd b.n .+ <.+>
|
||||
.*: e59f1000 ldr r1, \[pc\] ; .*
|
||||
.*: e081f00f add pc, r1, pc
|
||||
.*: fc007104 .word 0xfc007104
|
||||
|
|
|
|||
Loading…
Reference in New Issue