diff options
Diffstat (limited to 'src/pkg/runtime/softfloat_arm.c')
| -rw-r--r-- | src/pkg/runtime/softfloat_arm.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/src/pkg/runtime/softfloat_arm.c b/src/pkg/runtime/softfloat_arm.c index 9a5440630..f5801dde4 100644 --- a/src/pkg/runtime/softfloat_arm.c +++ b/src/pkg/runtime/softfloat_arm.c @@ -7,6 +7,7 @@ // It uses true little-endian doubles, while the 7500 used mixed-endian. #include "runtime.h" +#include "../../cmd/ld/textflag.h" #define CPSR 14 #define FLAGS_N (1U << 31) @@ -576,20 +577,44 @@ done: return 0; } -#pragma textflag 7 +typedef struct Sfregs Sfregs; + +// NOTE: These are all recorded as pointers because they are possibly live registers, +// and we don't know what they contain. Recording them as pointers should be +// safer than not. +struct Sfregs +{ + uint32 *r0; + uint32 *r1; + uint32 *r2; + uint32 *r3; + uint32 *r4; + uint32 *r5; + uint32 *r6; + uint32 *r7; + uint32 *r8; + uint32 *r9; + uint32 *r10; + uint32 *r11; + uint32 *r12; + uint32 *r13; + uint32 cspr; +}; + +#pragma textflag NOSPLIT uint32* -runtime·_sfloat2(uint32 *lr, uint32 r0) +runtime·_sfloat2(uint32 *lr, Sfregs regs) { uint32 skip; - skip = stepflt(lr, &r0); + skip = stepflt(lr, (uint32*)®s.r0); if(skip == 0) { runtime·printf("sfloat2 %p %x\n", lr, *lr); fabort(); // not ok to fail first instruction } lr += skip; - while(skip = stepflt(lr, &r0)) + while(skip = stepflt(lr, (uint32*)®s.r0)) lr += skip; return lr; } |