Reviewers: piman, Description: Fix ARM thumb/debug build
Landing http://codereview.chromium.org/548007 [email protected] Please review this at http://codereview.chromium.org/549033 SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/ Affected files: M src/arm/cpu-arm.cc Index: src/arm/cpu-arm.cc =================================================================== --- src/arm/cpu-arm.cc (revision 3589) +++ src/arm/cpu-arm.cc (working copy) @@ -61,28 +61,32 @@ reinterpret_cast<uint32_t>(start) + size; register uint32_t flg asm("a3") = 0; #ifdef __ARM_EABI__ - register uint32_t scno asm("r7") = __ARM_NR_cacheflush; #if defined (__arm__) && !defined(__thumb__) // __arm__ may be defined in thumb mode. + register uint32_t scno asm("r7") = __ARM_NR_cacheflush; asm volatile( "swi 0x0" : "=r" (beg) : "0" (beg), "r" (end), "r" (flg), "r" (scno)); #else + // r7 is reserved by the EABI in thumb mode. asm volatile( "@ Enter ARM Mode \n\t" "adr r3, 1f \n\t" "bx r3 \n\t" ".ALIGN 4 \n\t" ".ARM \n" - "1: swi 0x0 \n\t" + "1: push {r7} \n\t" + "mov r7, %4 \n\t" + "swi 0x0 \n\t" + "pop {r7} \n\t" "@ Enter THUMB Mode\n\t" "adr r3, 2f+1 \n\t" "bx r3 \n\t" ".THUMB \n" "2: \n\t" : "=r" (beg) - : "0" (beg), "r" (end), "r" (flg), "r" (scno) + : "0" (beg), "r" (end), "r" (flg), "r" (__ARM_NR_cacheflush) : "r3"); #endif #else
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