<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/145548>145548</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [RISCV][Instrumentation] Instrumentation for mysql failed
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          Xiangtingwei
      </td>
    </tr>
</table>

<pre>
    here is my gcc version:

> debian@laptop-yjn:~/work-bolt/cross-tool/riscv-gcc/bin$ ./riscv64-unknown-linux-gnu-gcc --version
riscv64-unknown-linux-gnu-gcc (g1b306039ac) 15.1.0
Copyright (C) 2025 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

and the log:

> sipeed@revyos-lpi4a:~/work_bolt/cross-mysql/install/bin$ llvm-bolt -riscv-uleb128-reloc=false --conservative-instrumentation --instrument --instrumentation-file=mysqld.fdata_github -o mysqld.instr_github mysqld
BOLT-INFO: Target architecture: riscv64
BOLT-INFO: BOLT version: 9d491bc602c2d9730cb42fe25f0753471a3af389
BOLT-INFO: first alloc address is 0x10000
BOLT-INFO: creating new program header table at address 0x4000000, offset 0x3ff0000
BOLT-INFO: enabling relocation mode
BOLT-INFO: forcing -jump-tables=move for instrumentation
BOLT-WARNING: Failed to analyze 4 relocations
BOLT-INFO: 0 out of 60782 functions in the binary (0.0%) have non-empty execution profile
BOLT-INSTRUMENTER: Number of indirect call site descriptors: 93961
BOLT-INSTRUMENTER: Number of indirect call target descriptors: 58419
BOLT-INSTRUMENTER: Number of function descriptors: 58419
BOLT-INSTRUMENTER: Number of branch counters: 1983743
BOLT-INSTRUMENTER: Number of ST leaf node counters: 0
BOLT-INSTRUMENTER: Number of direct call counters: 0
BOLT-INSTRUMENTER: Total number of counters: 1983743
BOLT-INSTRUMENTER: Total size of counters: 15869944 bytes (static alloc memory)
BOLT-INSTRUMENTER: Total size of string table emitted: 6238083 bytes in file
BOLT-INSTRUMENTER: Total size of descriptors: 59100604 bytes in file
BOLT-INSTRUMENTER: Profile will be saved to file mysqld.fdata_github
BOLT-INFO: padding code to 0xb800000 to accommodate hot text
BOLT-INFO: output linked against instrumentation runtime library, lib entry point is 0xd08c42e
BOLT-INFO: clear procedure is 0xd08b4f2
BOLT-INFO: patched build-id (flipped last bit)
BOLT-INFO: setting _end to 0xd17b704
BOLT-INFO: setting _end to 0xd17b704
BOLT-INFO: setting __bolt_runtime_start to 0xd08c42e
BOLT-INFO: setting __bolt_runtime_fini to 0xd08c4fc
BOLT-INFO: setting __hot_start to 0x4200000
BOLT-INFO: setting __hot_end to 0xb55811c

>  sipeed@revyos-lpi4a: ~/work_bolt/cross-mysql/install/bin$ ./mysqld --version
/home/sipeed/work_bolt/cross-mysql/install/bin/mysqld  Ver 8.0.33 for Linux on riscv64 (Source distribution)
sipeed@revyos-lpi4a: ~ /work_bolt/cross-mysql/install/bin$ ./mysqld.instr_github --version
Segmentation fault

and the gdb log

> (gdb) r
Starting program: /home/sipeed/work_bolt/cross-mysql/install/bin/mysqld.instr_github --version
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/riscv64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000003ff7fe6e32 in __GI___tls_get_addr (ti=0x1b8) at ./elf/dl-tls.c:1030
warning: 1030 ./elf/dl-tls.c: No such file or directory
(gdb) x/10i 0x0000003ff7fe6e20
 0x3ff7fe6e20 <__GI___tls_get_addr+2>:        sd      zero,440(sp)
 0x3ff7fe6e22 <__GI___tls_get_addr+4>:        auipc   a4,0x18
   0x3ff7fe6e26 <__GI___tls_get_addr+8>:        addi    a4,a4,590
   0x3ff7fe6e2a <__GI___tls_get_addr+12>:       ld      a5,0(a4)
   0x3ff7fe6e2c <__GI___tls_get_addr+14>:       ld      a3,0(a1)
   0x3ff7fe6e2e <__GI___tls_get_addr+16>:       bne     a3,a5,0x3ff7fe6e50 <__GI___tls_get_addr+50>
=> 0x3ff7fe6e32 <__GI___tls_get_addr+20>:       ld a5,0(a0)
   0x3ff7fe6e34 <__GI___tls_get_addr+22>:       slli a5,a5,0x4
   0x3ff7fe6e36 <__GI___tls_get_addr+24>:       add     a5,a5,a1
 0x3ff7fe6e38 <__GI___tls_get_addr+26>:       ld      a3,0(a5)
(gdb) info register a0
a0             0x1b8    440



</pre>
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