https://sourceware.org/bugzilla/show_bug.cgi?id=32298
Bug ID: 32298 Summary: sframe: no SFrame stack trace info generated for .plt.got Product: binutils Version: 2.43 Status: NEW Severity: normal Priority: P2 Component: ld Assignee: unassigned at sourceware dot org Reporter: indu.bhagat at oracle dot com Target Milestone: --- The linker currently does not generate any SFrame stack trace information for the .plt.got sections. There is SFrame information for other PLT sections (.plt, .plt.sec) though. $ cat bar.c void foo (); unsigned long var; void test () { var = (unsigned long)foo; foo (); } $ cat foo.s .globl foo foo: .section .note.GNU-stack,"",@progbits $ as --gsframe -o foo.o foo.s $ gcc -O2 -Wa,--gsframe -fPIC -c -o bar.o bar.c $ ld -shared -z now -o pltsec.so foo.o bar.o $ objdump -d pltsec.so ... Disassembly of section .plt: 0000000000001000 <.plt>: 1000: ff 35 da 2f 00 00 push 0x2fda(%rip) # 3fe0 <_GLOBAL_OFFSET_TABLE_+0x8> 1006: ff 25 dc 2f 00 00 jmp *0x2fdc(%rip) # 3fe8 <_GLOBAL_OFFSET_TABLE_+0x10> 100c: 0f 1f 40 00 nopl 0x0(%rax) Disassembly of section .plt.got: 0000000000001010 <foo@plt>: 1010: ff 25 e2 2f 00 00 jmp *0x2fe2(%rip) # 3ff8 <foo+0x2fd8> 1016: 66 90 xchg %ax,%ax Disassembly of section .text: 0000000000001020 <test>: 1020: 48 8b 05 c9 2f 00 00 mov 0x2fc9(%rip),%rax # 3ff0 <var-0x10> 1027: 48 8b 15 ca 2f 00 00 mov 0x2fca(%rip),%rdx # 3ff8 <foo+0x2fd8> 102e: 48 89 10 mov %rdx,(%rax) 1031: 31 c0 xor %eax,%eax 1033: e9 d8 ff ff ff jmp 1010 <foo@plt> $ objdump --sframe pltsec.so ... Contents of the SFrame section .sframe: Header : Version: SFRAME_VERSION_2 Flags: SFRAME_F_FDE_SORTED CFA fixed RA offset: -8 Num FDEs: 2 Num FREs: 3 Function Index : func idx [0]: pc = 0x1000, size = 16 bytes STARTPC CFA FP RA 0000000000001000 sp+16 u f 0000000000001006 sp+24 u f func idx [1]: pc = 0x1020, size = 24 bytes STARTPC CFA FP RA 0000000000001020 sp+8 u f -- You are receiving this mail because: You are on the CC list for the bug.