https://sourceware.org/bugzilla/show_bug.cgi?id=23574
Bug ID: 23574
Summary: strip removes all symbols, including _start, causing
binary to segfault
Product: binutils
Version: 2.31
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: shawnlandden at gmail dot com
Target Milestone: ---
https://github.com/ziglang/zig/issues/1423
shawn@shawn-desktop:~/git/zig$ cat ~/bin/hello2.zig
pub fn main() void {
}
shawn@shawn-desktop:~/git/zig$ ./zig build-exe ~/bin/hello2.zig --release-fast
shawn@shawn-desktop:~/git/zig$ ./hello2
shawn@shawn-desktop:~/git/zig$ strip hello2
shawn@shawn-desktop:~/git/zig$ ./hello2
Segmentation fault
shawn@shawn-desktop:~/git/zig$ ./zig build-exe ~/bin/hello2.zig --release-fast
shawn@shawn-desktop:~/git/zig$ objdump --all hello2
hello2: file format elf64-x86-64
hello2
architecture: i386:x86-64, flags 0x00000112:
EXEC_P, HAS_SYMS, D_PAGED
start address 0x0000000000201000
Program Header:
PHDR off 0x0000000000000040 vaddr 0x0000000000200040 paddr
0x0000000000200040 align 2**3
filesz 0x0000000000000118 memsz 0x0000000000000118 flags r--
LOAD off 0x0000000000000000 vaddr 0x0000000000200000 paddr
0x0000000000200000 align 2**12
filesz 0x0000000000000158 memsz 0x0000000000000158 flags r--
LOAD off 0x0000000000001000 vaddr 0x0000000000201000 paddr
0x0000000000201000 align 2**12
filesz 0x000000000000007f memsz 0x000000000000007f flags r-x
LOAD off 0x0000000000002000 vaddr 0x0000000000202000 paddr
0x0000000000202000 align 2**12
filesz 0x0000000000000028 memsz 0x0000000000000028 flags rw-
STACK off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**0
filesz 0x0000000000000000 memsz 0x0000000000000000 flags rw-
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 0000007f 0000000000201000 0000000000201000 00001000 2**4
CONTENTS, ALLOC, LOAD, READONLY, CODE
1 .data 00000028 0000000000202000 0000000000202000 00002000 2**3
CONTENTS, ALLOC, LOAD, DATA
2 .debug_str 000015ed 0000000000000000 0000000000000000 00002028 2**0
CONTENTS, READONLY, DEBUGGING
3 .debug_loc 000072eb 0000000000000000 0000000000000000 00003615 2**0
CONTENTS, READONLY, DEBUGGING
4 .debug_abbrev 000005a8 0000000000000000 0000000000000000 0000a900 2**0
CONTENTS, READONLY, DEBUGGING
5 .debug_info 00005085 0000000000000000 0000000000000000 0000aea8 2**0
CONTENTS, READONLY, DEBUGGING
6 .debug_ranges 00001ee0 0000000000000000 0000000000000000 0000ff2d 2**0
CONTENTS, READONLY, DEBUGGING
7 .debug_macinfo 00000003 0000000000000000 0000000000000000 00011e0d 2**0
CONTENTS, READONLY, DEBUGGING
8 .debug_pubnames 00000cb3 0000000000000000 0000000000000000 00011e10
2**0
CONTENTS, READONLY, DEBUGGING
9 .debug_pubtypes 0000039a 0000000000000000 0000000000000000 00012ac3
2**0
CONTENTS, READONLY, DEBUGGING
10 .debug_frame 000005e0 0000000000000000 0000000000000000 00012e60 2**3
CONTENTS, READONLY, DEBUGGING
11 .debug_line 00002307 0000000000000000 0000000000000000 00013440 2**0
CONTENTS, READONLY, DEBUGGING
12 .comment 00000012 0000000000000000 0000000000000000 00015747 2**0
CONTENTS, READONLY
SYMBOL TABLE:
0000000000202010 l O .data 0000000000000008 argc_ptr
0000000000201010 l F .text 000000000000006f posixCallMainAndExit
0000000000202000 l O .data 0000000000000010 posix_environ_raw
0000000000202018 l O .data 0000000000000010 raw
0000000000201000 g F .text 0000000000000010 _start
shawn@shawn-desktop:~/git/zig$ strip hello2
shawn@shawn-desktop:~/git/zig$ objdump --all hello2
hello2: file format elf64-x86-64
hello2
architecture: i386:x86-64, flags 0x00000102:
EXEC_P, D_PAGED
start address 0x0000000000201000
Program Header:
PHDR off 0x0000000000000040 vaddr 0x0000000000000040 paddr
0x0000000000200040 align 2**3
filesz 0x0000000000000118 memsz 0x0000000000000118 flags r--
LOAD off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000200000 align 2**12
filesz 0x0000000000000158 memsz 0x0000000000000158 flags r--
LOAD off 0x0000000000001000 vaddr 0x0000000000201000 paddr
0x0000000000201000 align 2**12
filesz 0x000000000000007f memsz 0x000000000000007f flags r-x
LOAD off 0x0000000000002000 vaddr 0x0000000000202000 paddr
0x0000000000202000 align 2**12
filesz 0x0000000000000028 memsz 0x0000000000000028 flags rw-
STACK off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**0
filesz 0x0000000000000000 memsz 0x0000000000000000 flags rw-
Sections:
Idx Name Size VMA LMA File off Algn
0 .text 0000007f 0000000000201000 0000000000201000 00001000 2**4
CONTENTS, ALLOC, LOAD, READONLY, CODE
1 .data 00000028 0000000000202000 0000000000202000 00002000 2**3
CONTENTS, ALLOC, LOAD, DATA
2 .comment 00000012 0000000000000000 0000000000000000 00002028 2**0
CONTENTS, READONLY
SYMBOL TABLE:
no symbols
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