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| author | Joakim Tjernlund <Joakim.Tjernlund@transmode.se> | 2010-10-14 11:51:44 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-10-18 22:39:37 +0200 |
| commit | d1e0b10accdbac2e0a8b2cbf7c589645442f87c5 (patch) | |
| tree | b818dd380265c89f435900b03c49a1cbf07534d4 /arch | |
| parent | d98b0523cfaaedeecb263b15c121c0727b0d80b9 (diff) | |
| download | u-boot-midas-d1e0b10accdbac2e0a8b2cbf7c589645442f87c5.tar.gz u-boot-midas-d1e0b10accdbac2e0a8b2cbf7c589645442f87c5.tar.bz2 u-boot-midas-d1e0b10accdbac2e0a8b2cbf7c589645442f87c5.zip | |
powerpc: do not fixup NULL ptrs
The fixup routine must not fixup NULL pointers.
Problem can be seen by
char *testfun(void) __attribute__((weak));
char *(*myfun)(void) = testfun;
Then add
printf("myfun:%p, &myfun:%p\n", myfun, &myfun);
before relocation and after relocation.
myfun should be NULL in both cases but it is not.
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/cpu/74xx_7xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc512x/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc5xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc5xxx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8220/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc824x/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8260/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc83xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc86xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc8xx/start.S | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/start.S | 4 |
12 files changed, 36 insertions, 12 deletions
diff --git a/arch/powerpc/cpu/74xx_7xx/start.S b/arch/powerpc/cpu/74xx_7xx/start.S index e10c44ce47..573e6d0821 100644 --- a/arch/powerpc/cpu/74xx_7xx/start.S +++ b/arch/powerpc/cpu/74xx_7xx/start.S @@ -709,10 +709,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: /* clear_bss: */ /* diff --git a/arch/powerpc/cpu/mpc512x/start.S b/arch/powerpc/cpu/mpc512x/start.S index d52cc4da1b..2265c8cc11 100644 --- a/arch/powerpc/cpu/mpc512x/start.S +++ b/arch/powerpc/cpu/mpc512x/start.S @@ -613,10 +613,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc5xx/start.S b/arch/powerpc/cpu/mpc5xx/start.S index 26b9eac31a..da42557224 100644 --- a/arch/powerpc/cpu/mpc5xx/start.S +++ b/arch/powerpc/cpu/mpc5xx/start.S @@ -453,10 +453,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc5xxx/start.S b/arch/powerpc/cpu/mpc5xxx/start.S index 8b683b1997..92858fce3a 100644 --- a/arch/powerpc/cpu/mpc5xxx/start.S +++ b/arch/powerpc/cpu/mpc5xxx/start.S @@ -668,10 +668,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc8220/start.S b/arch/powerpc/cpu/mpc8220/start.S index 320ad4ee58..b5c160b607 100644 --- a/arch/powerpc/cpu/mpc8220/start.S +++ b/arch/powerpc/cpu/mpc8220/start.S @@ -641,10 +641,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc824x/start.S b/arch/powerpc/cpu/mpc824x/start.S index 3c44c00212..d10231ee94 100644 --- a/arch/powerpc/cpu/mpc824x/start.S +++ b/arch/powerpc/cpu/mpc824x/start.S @@ -583,10 +583,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc8260/start.S b/arch/powerpc/cpu/mpc8260/start.S index 48105e788d..55c64ea60c 100644 --- a/arch/powerpc/cpu/mpc8260/start.S +++ b/arch/powerpc/cpu/mpc8260/start.S @@ -904,10 +904,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S index 450cfb568b..536604f462 100644 --- a/arch/powerpc/cpu/mpc83xx/start.S +++ b/arch/powerpc/cpu/mpc83xx/start.S @@ -952,10 +952,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: #endif diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index c9df7518c9..7e5e6b17c0 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -1037,10 +1037,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/mpc86xx/start.S b/arch/powerpc/cpu/mpc86xx/start.S index c499db48fd..3817f19d53 100644 --- a/arch/powerpc/cpu/mpc86xx/start.S +++ b/arch/powerpc/cpu/mpc86xx/start.S @@ -727,10 +727,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: /* clear_bss: */ /* diff --git a/arch/powerpc/cpu/mpc8xx/start.S b/arch/powerpc/cpu/mpc8xx/start.S index 6073dabea5..4a8c5d9e48 100644 --- a/arch/powerpc/cpu/mpc8xx/start.S +++ b/arch/powerpc/cpu/mpc8xx/start.S @@ -584,10 +584,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S index 03bde4d401..87caea19b0 100644 --- a/arch/powerpc/cpu/ppc4xx/start.S +++ b/arch/powerpc/cpu/ppc4xx/start.S @@ -1608,10 +1608,12 @@ in_ram: beq 4f 3: lwzu r4,4(r3) lwzux r0,r4,r11 + cmpwi r0,0 add r0,r0,r11 stw r10,0(r3) + beq- 5f stw r0,0(r4) - bdnz 3b +5: bdnz 3b 4: clear_bss: /* |