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From: oschiller@foni.net To: insight-gnats@sourceware.cygnus.com Subject: insight/116: assembler instructions do not match the associated source lines Date: Fri, 26 Oct 2001 09:23:00 -0000 [thread overview] Message-ID: <20011204080138.20246.qmail@sources.redhat.com> (raw) >Number: 116 >Category: insight >Synopsis: assembler instructions do not match the associated source lines >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Tue Dec 04 00:03:00 PST 2001 >Closed-Date: >Last-Modified: >Originator: oschi >Release: unknown-1.0 >Organization: >Environment: cygwin 1.3.3 gcc 3.0, binutils 2.11, newlib 1.9.0, insight 5.1 configured for arm-unknown-elf >Description: When stepping into a library function (e.g. printf()), the assembler instructions don't match the associated source lines. An example is shown below: 51 { - 0xb0c4 <printf>: mov r12, sp - 0xb0c8 <printf+4>: stmdb sp!, {r0, r1, r2, r3} - 0xb0cc <printf+8>: stmdb sp!, {r11, r12, lr, pc} - 0xb0e0 <printf+28>: sub r11, r12, #20 ; 0x14 52 int ret; 53 va_list ap; 54 55 va_start (ap, fmt); 56 _stdout_r (_REENT)->_data = _REENT; - 0xb0d0 <printf+12>: ldr r2, [pc, #32] ; 0xb0f8 <printf+52> - 0xb0d4 <printf+16>: ldr r3, [r2] - 0xb0d8 <printf+20>: ldr r1, [r3, #8] - 0xb0dc <printf+24>: str r3, [r1, #84] 57 ret = vfprintf (_stdout_r (_REENT), fmt, ap); - 0xb0e4 <printf+32>: ldr r0, [r3, #8] - 0xb0e8 <printf+36>: ldr r1, [r11, #4] - 0xb0ec <printf+40>: add r2, r11, #8 ; 0x8 - 0xb0f0 <printf+44>: bl 0xbd48 <vfprintf> - 0xb0f4 <printf+48>: ldmdb r11, {r11, sp, pc} - 0xb0f8 <printf+52>: andeq r2, r1, r0, lsr #9 I am not quite sure whether this is a debugger problem. I've tried with gcc 3.0.2 as well but this didn't solve the problem. >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2001-12-04 8:03 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2001-10-26 9:23 oschiller [this message] 2002-01-04 12:21 kseitz
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