msvcrt: Back up and restore the FPU state in setjmp/longjmp on ARM.

Signed-off-by: Martin Storsjo <martin@martin.st>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Martin Storsjo 2017-11-02 08:55:42 +02:00 committed by Alexandre Julliard
parent 644f497e87
commit 171b3bcf3b
1 changed files with 20 additions and 2 deletions

View File

@ -151,7 +151,16 @@ __ASM_GLOBAL_FUNC(MSVCRT__setjmpex,
"str r11, [r0, #0x20]\n\t" /* jmp_buf->R11 */
"str sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
"str lr, [r0, #0x28]\n\t" /* jmp_buf->Pc */
/* FIXME: Save floating point data */
"vmrs r2, fpscr\n\t"
"str r2, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
"vstr d8, [r0, #0x30]\n\t" /* jmp_buf->D[0] */
"vstr d9, [r0, #0x38]\n\t" /* jmp_buf->D[1] */
"vstr d10, [r0, #0x40]\n\t" /* jmp_buf->D[2] */
"vstr d11, [r0, #0x48]\n\t" /* jmp_buf->D[3] */
"vstr d12, [r0, #0x50]\n\t" /* jmp_buf->D[4] */
"vstr d13, [r0, #0x58]\n\t" /* jmp_buf->D[5] */
"vstr d14, [r0, #0x60]\n\t" /* jmp_buf->D[6] */
"vstr d15, [r0, #0x68]\n\t" /* jmp_buf->D[7] */
"mov r0, #0\n\t"
"bx lr");
@ -168,7 +177,16 @@ __ASM_GLOBAL_FUNC(longjmp_set_regs,
"ldr r11, [r0, #0x20]\n\t" /* jmp_buf->R11 */
"ldr sp, [r0, #0x24]\n\t" /* jmp_buf->Sp */
"ldr r2, [r0, #0x28]\n\t" /* jmp_buf->Pc */
/* FIXME: Restore floating point data */
"ldr r3, [r0, #0x2c]\n\t" /* jmp_buf->Fpscr */
"vmsr fpscr, r3\n\t"
"vldr d8, [r0, #0x30]\n\t" /* jmp_buf->D[0] */
"vldr d9, [r0, #0x38]\n\t" /* jmp_buf->D[1] */
"vldr d10, [r0, #0x40]\n\t" /* jmp_buf->D[2] */
"vldr d11, [r0, #0x48]\n\t" /* jmp_buf->D[3] */
"vldr d12, [r0, #0x50]\n\t" /* jmp_buf->D[4] */
"vldr d13, [r0, #0x58]\n\t" /* jmp_buf->D[5] */
"vldr d14, [r0, #0x60]\n\t" /* jmp_buf->D[6] */
"vldr d15, [r0, #0x68]\n\t" /* jmp_buf->D[7] */
"mov r0, r1\n\t" /* retval */
"bx r2");